Search: “credential theft”

Florida says motor vehicle data breach tied to credentials stolen from officer’s personal device

ShinyHunters breached Florida's DMV using credentials stolen from a police officer's personal device; the state confirmed the breach and is investigating.

Florida's Department of Highway Safety and Motor Vehicles (FLHSMV) confirmed a data breach after ShinyHunters obtained DMV data using credentials a criminal actor took from a Plant City police officer's personal electronic device. The department learned of the breach on September 4, is investigating with the Florida Digital Service, and ShinyHunters shared a DMV record of Jeffrey Epstein as proof of access. Experts initially speculated a link to the IDScan breach of 153 million driver's licenses. Anthropic reported that suspected ShinyHunters affiliates use AI to scan credentials, map systems, and exfiltrate data, in one case moving from a stolen developer token to cloud admin access in about three hours.

The Record·Sep 11, 20:00 UTC · 4d agoData breach in the wild 2 sources

New Phishing Campaign Abuses Windows Mshta.exe to Steal Credentials and Secrets

Fortra researchers track an active phishing campaign targeting Spanish speakers that abuses mshta.exe to run HTA payloads for reconnaissance and credential theft.

Fortra's FIRE team says a phishing campaign active since June 2026 targets Spanish-speaking users with invoice ('Facturación') and judicial ('Aviso Judicial') lures, many sent via libero.it/italiaonline.it infrastructure with SCL:-1 markings to bypass anti-spam. Clicking embedded links delivers an HTA launcher executed via mshta.exe, which hides its window off-screen, builds dynamic C2 URLs, and performs reconnaissance using WMI, PowerShell, and environment-variable inspection. A second-stage JavaScript dropper uses HTML smuggling to reconstruct a Base64-encoded ZIP in the browser, delivering a 7-Zip self-extracting executable disguised as a Firefox installer; staged design allows later delivery of credential stealers or ransomware. Defenders are urged to block archivogratuito[.]online and shortener domains goo[.]su, abrir[.]link, and abre[.]ai, and to restrict mshta.exe execution via AppLocker or ASR rules.

GBHackers·Sep 12, 06:16 UTC · 4d agoPhishing & fraud in the wild1

Credential Theft: How Attackers Steal & Use Stolen Credentials

Huntress explains how attackers steal credentials through phishing, AitM, infostealers, and dumping, then use them for lateral movement, BEC, and ransomware.

Huntress published an educational overview of credential theft, citing that roughly 70% of confirmed data breaches begin with stolen credentials. It details acquisition methods including phishing, adversary-in-the-middle attacks that capture MFA session tokens, infostealers (nearly a quarter of threats Huntress observed in 2025), Mimikatz-based credential dumping, credential stuffing, and password spraying. The piece then covers post-theft actions such as lateral movement, privilege escalation, account takeover, business email compromise, and ransomware, and closes with behavioral detection guidance and layered prevention strategies.

Huntress·Sep 10, 16:00 UTC · 5d agoResearch

NextGen Healthcare Mirth Connect

CISA warns NextGen Healthcare Mirth Connect <=4.7.1 has SQL injection and XXE flaws enabling credential theft, file writes, and DoS.

CISA released advisory ICSMA-26-253-01 covering three vulnerabilities in NextGen Healthcare Mirth Connect versions 4.7.1 and earlier: SQL injection CVE-2026-82583 (CVSS 8.3), XXE CVE-2026-78224 (CVSS 8.2), and XXE CVE-2026-82578 (CVSS 7.5). Exploitation could expose stored credentials for connected systems, enable arbitrary file writes, and cause denial-of-service conditions. No public exploitation has been reported; the product is deployed worldwide in the Healthcare and Public Health sector.

CISA Advisories·updated Sep 11, 13:08 UTC · 5d ago·first Sep 10, 12:00 UTC · 6d agoAdvisory 2 sourcesCVE-2026-82583CVE-2026-78224CVE-2026-82578

Threat Brief: Mitigating Large-Scale Credential Attacks (Updated August 18)

Unit 42 reports actor TheHatman claims large-scale theft of Microsoft Entra credentials and provides mitigation guidance for credential attacks.

Palo Alto Networks Unit 42 published an updated threat brief on mitigating large-scale credential attacks. In August 2026, the actor TheHatman claimed to have stolen a large volume of credentials from organizations' Microsoft Entra tenants. The brief outlines defensive guidance for organizations facing large-scale credential attacks. The theft claims originate from the actor and the post focuses on mitigation steps.

Palo Alto Unit 42·Aug 18, 19:05 UTC · 28d agoThreat actor in the wild

China-Linked Fire Ant Hijacks Cisco Routers to Steal Credentials and Blind Security Logs

China-nexus espionage group Fire Ant compromised Cisco IOS XR routers and TACACS servers to harvest credentials, capture traffic and suppress logs.

Sygnia investigated an intrusion in which Fire Ant expanded beyond VMware hypervisors to Cisco IOS XR routers, TACACS servers and Linux management hosts. The actor deployed purpose-built router implants that hid a GRE tunnel, filtered log messages, captured PCAPs uploaded to external FTP servers, and used TacTap to inject a library into tac_plus and steal TACACS credentials obfuscated with a single-byte XOR key of 0xEF. A Linux backdoor named BridgeAgent masqueraded as a Zabbix agent, persisted via a root systemd unit, disguised itself as /usr/bin/gnome-shell and received commands over TLS on port 443. The group also used Medusa and REPTILE rootkits, SSH backdoors and renamed binaries impersonating SentinelOne and Cybereason agents, while suppressing logs, disabling SELinux and rewriting login history. Sygnia assesses strong overlap with UNC3886 and published IoCs.

The Hacker News·Aug 31, 09:04 UTC · 16d agoThreat actor in the wild1

AI Model Evaluator METR Hit by Credential Theft, Probing

Threat actors stole an API key from AI evaluator METR and consumed $600,000 in public model credits; a second campaign probed its infrastructure.

Dark Reading reports that AI model evaluation nonprofit METR suffered a credential theft in which attackers obtained an API key that led to consumption of $600,000 worth of public AI model inference credits. METR also faced a separate sustained campaign in which financially motivated actors probed its publicly accessible infrastructure and attempted initial access via credential stuffing and OAuth token grants. No evidence of access to sensitive information was reported in either incident.

Dark Reading·Sep 1, 20:13 UTC · 14d agoData breach in the wild

Mirage2FA Surge Hits 4,500 US and EU Companies, Abusing Microsoft 365 Login Flows

Mirage2FA phishing-as-a-service campaign hit ~4,500 organizations, mostly US, stealing Microsoft 365 passwords and session cookies to bypass 2FA.

ANY.RUN research links the Mirage2FA phishing-as-a-service toolkit to 4,532 unique organization email domains between 2024 and 2026, with the US accounting for 63.7% of victims. The kit uses adversary-in-the-middle login flows to harvest credentials and session cookies, bypassing MFA on Microsoft 365 accounts. Researchers recorded more than 9,000 potential compromise events and estimated 48% of targeted email addresses were potentially compromised. Hijacked sessions extend to SSO-connected services, enabling impersonation, fraud and further compromise.

The Hacker News·Aug 25, 11:56 UTC · 22d agoPhishing & fraud in the wild

From Infostealer Log to Marketplace Listing: A Technical Walkthrough of the Credential Theft Pipeline

Cyble walkthrough maps how infostealer logs move from endpoint infection through aggregation and enrichment to dark web credential marketplace sales.

Cyble breaks the credential theft pipeline into stages: infostealer execution harvesting browser credential stores, cookies, session tokens, crypto wallets, and FTP configurations; aggregation of stealer logs via C2 panels into bundled archives; parsing and enrichment against previously leaked datasets; and final listing on dark web marketplaces. Enrichment adds employer and role context that raises prices and enables credential stuffing across reused passwords. The report advises SOC teams to monitor stealer logs and marketplace chatter early rather than waiting for breach alerts.

Cyble·Sep 10, 10:45 UTC · 6d agoMalware1

Conti Ransomware Hacker Sentenced After Group Attacked Over 1,000 Victims Worldwide

Ukrainian national Oleksii Lytvynenko sentenced to four years in US prison for his role in Conti ransomware attacks on 1,000+ victims.

Oleksii Oleksiyovych Lytvynenko, 44, pleaded guilty to conspiracy to commit wire fraud for working as a developer and intruder in the Conti ransomware operation, coding a malware loader and handling data stolen from 12 victims. Conti compromised over 1,000 victims across 47 US states and 31 foreign countries between 2020 and 2022, generating more than $150 million in ransoms. He was arrested in County Cork, Ireland in July 2023 and extradited to the US. The sentencing is part of a wider US investigation into the Conti and TrickBot ecosystem.

Cyber Security News·updated Sep 11, 16:07 UTC · 4d ago·first Sep 11, 12:31 UTC · 5d agoPolicy & legal 7 sources

CaptiveCrunch: Midnight Blizzard Weaponizes Hotel Wi-Fi Captive Portals to Steal Microsoft 365 Credentials

Zscaler details CaptiveCrunch: Midnight Blizzard's Storm-2945 compromises hotel Wi-Fi captive portals to redirect guests and harvest Microsoft 365 credentials via device code phishing.

Zscaler ThreatLabz analyzed the CaptiveCrunch credential theft campaign first reported by Microsoft on July 31. Microsoft attributes the activity to Storm-2945, a sub-cluster of Russia-linked Midnight Blizzard (APT29, Cozy Bear, NOBELIUM, BlueBravo). The actor manipulates DNS and HTTP traffic on captive portal networks at hotels and conference centers, redirecting victims to attacker-controlled infrastructure for Microsoft 365 credential harvesting, device code phishing, and malware delivery. Evidence indicates shared captive portal services were compromised rather than each venue being breached individually.

Zscaler ThreatLabz·Aug 11, 22:06 UTC · Aug 11, 2026Threat actor in the wild

CVE-2026-50522: Microsoft SharePoint Server RCE Vulnerability

CVE-2026-50522 is an unauthenticated .NET deserialization RCE in SharePoint Server Subscription, 2019, and 2016; Microsoft patched it July 14, 2026.

CVE-2026-50522 (CWE-502) lets unauthenticated attackers send crafted serialized .NET payloads to network-accessible SharePoint endpoints, triggering gadget-chain deserialization and remote code execution under the privileged SharePoint service account. It affects SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Server 2016 Enterprise; Microsoft published the advisory on July 14, 2026. The EPSS score is 20.346%, but no public PoC exists and the flaw is not in CISA's KEV catalog at publication. Mitigations include applying Microsoft updates, rotating SharePoint machine keys, enabling AMSI, and restricting internet exposure.

Web discovery (articles for new exploits & KEV entries)·Sep 7, 19:42 UTC · 8d agoVulnerability 3 sourcesCVE-2026-505221

Fake GTA 6 download delivers malware-packed bundle to impatient gamers

Huntress found malware disguised as a leaked GTA 6 download bundling NJRAT, DCRAT, an infostealer, and Chaos ransomware used as a wiper.

Huntress analyzed a fake Grand Theft Auto VI ISO whose gta6installer.exe displays a fake 'License not found' error while silently installing payloads. The bundle includes NJRAT and DCRAT remote access trojans, the Mercurial Grabber infostealer, and a Chaos ransomware variant used destructively as a wiper, plus a Yandex Browser drop. The Chaos variant encrypts files up to 200MB, overwrites larger ones, deletes shadow copies, and disables recovery, with no ransom actually demanded. Most components are old malware dating to 2023 and are detected by up-to-date Windows Defender.

Help Net Security·updated Sep 10, 14:23 UTC · 5d ago·first Sep 10, 09:51 UTC · 6d agoMalware in the wild 4 sources1

Infostealers Harvest 1.7 Billion Credentials in Six Months

Flashpoint reports infostealers harvested 1.7 billion credentials in the first half of 2026.

Threat intelligence firm Flashpoint found that infostealer malware was responsible for the theft of 1.7 billion credentials during the first half of 2026. The figure underscores the scale of commodity credential harvesting feeding downstream account takeover, fraud and ransomware operations.

Infosecurity Magazine·Aug 17, 07:30 UTC · Aug 17, 2026Malware in the wild

When the Whole Company Adopts AI: What It Does to Your SOC

Analysis of 16.9 million SOC alerts finds AI-related alerts at 0.43%, growing 685% since February, with 94.1% noise and 0.02% real attacks.

A review of roughly 16.9 million SOC alerts found about 73,000 (0.43%) were AI-related, a share that grew 685% between February and June 2026. Of AI-related alerts, 94.1% were noise, 5.8% genuine risks, and 0.02% real attacks; 79.8% received benign verdicts, 81.7% were automatically suppressed, and only 5.4% reached a human analyst. The only confirmed attacks were phishing campaigns that weaponized AI brand names as lures, while developer coding agents spawning shells and reading credential stores routinely tripped detections written before AI agents existed.

The Hacker News·Sep 12, 10:24 UTC · 4d agoResearch1

Two Arrests, One Supply-Chain Attack, and a Lot of Stolen Credentials

AFP charges two men over TeamPCP open-source supply-chain attacks that stole 500,000+ credentials from 1,000+ organizations via four malware families.

Australian police charged two Western Australian men as principal participants in TeamPCP, which allegedly inserted malicious code into open-source software to steal credentials and sensitive data from government, academia, and private sector organizations worldwide. The campaign compromised more than 1,000 organizations, harvested over 500,000 credentials, and exfiltrated at least 300 GB of data, with remediation costs in the hundreds of millions of dollars. Four malware families were deployed: CanisterWorm (cloud token harvesting), SANDCLOCK (AWS and Kubernetes credential theft), Mini Shai-Hulud (self-replicating npm/PyPI worm), and Miasma (credential-harvesting worm variant). Trojanized tools included Trivy, KICS, LiteLLM, and the Telnyx Python SDK, with exfiltration via GitHub repositories tpcp-docs and docs-tpcp.

Security Affairs·Aug 27, 14:09 UTC · 19d agoThreat actor in the wild1

Critical Check Point VPN Flaws Let Unauthenticated Attackers Execute Remote Code

Check Point fixed critical unauthenticated RCE flaws CVE-2026-85102 and CVE-2026-85103 in its VPN gateways; no exploitation observed yet.

Check Point disclosed two critical vulnerabilities affecting Remote Access VPN and Site-to-Site VPN on its security gateways. CVE-2026-85102 is an authentication-bypass flaw that can lead to unauthenticated remote code execution, while CVE-2026-85103 is a heap overflow in ASN.1 decoding that can corrupt memory and also result in RCE. Fixes are available via Jumbo Hotfix, with Check Point Live Patch rollout starting September 9, 2026; the vendor found and fixed the issues through internal research and reports no evidence of exploitation in the wild.

GBHackers·updated Sep 14, 09:43 UTC · 2d ago·first Sep 11, 05:23 UTC · 5d agoVulnerability 9 sourcesCVE-2026-85102CVE-2026-85103

Hackers Impersonate IT Support to Breach Leading Financial Companies

Security Affairs·Aug 7, 15:51 UTC · Aug 7, 2026Ransomware

CISA Warns of Chromium Type Confusion 0-Day Vulnerability Actively Exploited in Attacks

CISA added the actively exploited Chromium V8 type confusion zero-day CVE-2026-85046 to its KEV catalog, urging patching of Chrome, Edge, and Opera.

CISA added CVE-2026-85046, a V8 type confusion flaw (CWE-843) in Chromium-based browsers, to its Known Exploited Vulnerabilities catalog. A remote attacker can trigger arbitrary code execution inside the browser sandbox via a specially crafted HTML page. Google Chrome is directly affected, and Microsoft Edge, Opera, and other Chromium-based browsers may also be impacted depending on their V8 version. Google has released a Stable channel Chrome update, and CISA directs mitigations under Binding Operational Directive 26-04.

Cyber Security News·Sep 8, 16:25 UTC · 7d agoExploit / PoC in the wildCVE-2026-85046

74,000 Fortinet firewall credentials exposed in FortiBleed data leak

Help Net Security·Aug 3, 13:19 UTC · Aug 3, 2026Data breach

Global sinkhole operation ends Sality botnet’s 23-year run

Law enforcement, CrowdStrike, and Shadowserver sinkholed the 23-year-old Sality P2P botnet, cutting 15,000+ infected machines from its operator.

Sality, active since 2003 as a file-infecting virus with two P2P networks (versions 3 and 4), distributed credential thieves, spam, proxies, and DDoS payloads, and most recently delivered the EggJagger clipboard hijacker that swapped cryptocurrency wallet addresses for at least $150,000 in operator profit. A coordinated sinkhole operation replaced the botnet's super-peer list with defender-controlled sinkholes, and investigators in the US, Bulgaria, Hungary, and Romania seized payload domains. The Shadowserver Foundation is coordinating ISP and CERT notifications to infected device owners.

Help Net Security·Sep 2, 00:00 UTC · 14d agoMalware1

Week in review: Compromised Zimbra servers, previously patched Citrix NetScaler flaw exploited

Help Net Security's weekly digest highlights 274 compromised Zimbra servers, Gitea and Citrix NetScaler KEV additions, a PaperCut zero-day, and a suspected Iran-linked power plant attack.

The roundup reports at least 274 internet-facing Zimbra instances compromised via CVE-2026-73570, critical Gitea CVE-2026-60004 added to CISA's KEV catalog after exploitation began, and previously patched Citrix NetScaler flaw CVE-2026-8452 exploited in the wild. It also covers PaperCut NG/MF zero-day attacks, a suspected Iran-linked shutdown of a UK power plant, an FBI seizure of domains tied to a China-linked group that hit NASA, DOJ and the Senate, a cyberattack disrupting Boston Scientific, and the Manchester Airports Group breach. Additional items include Chameleon SEO poisoning phishing, Android car head unit proxy botnet malware, ReliaQuest social engineering by ShinyHunters, fake OpenAI Codex macOS malware, and AI-related workforce and supply chain interviews.

Help Net Security·Aug 30, 00:00 UTC · 17d agoIndustry in the wildCVE-2026-73570CVE-2026-60004CVE-2026-8452

Exposed AWS Access Key Linked to Data Breach Affecting 1500+ UK Charities

CRM provider Beacon says a compromised AWS access key likely caused a data breach affecting more than 1,500 UK charities.

Beacon, a UK CRM provider serving the charity sector, disclosed that an exposed AWS access key was the likely root cause of a data breach. The incident affected data belonging to more than 1,500 UK charities. The company said the compromised cloud credential enabled the unauthorized access; specific record volumes and data types are not detailed in the report.

Infosecurity Magazine·Aug 13, 15:30 UTC · Aug 13, 2026Data breach in the wild

Impersonating IT support: how threat actors turn a remote session into enterprise-wide access

Microsoft details Teams IT-support impersonation campaigns deploying Node.js implants, AD reconnaissance, and WinRM lateral movement toward domain controllers.

Microsoft Threat Intelligence describes a human-operated campaign where attackers impersonate IT/helpdesk staff via Microsoft Teams external collaboration, talk users into granting remote sessions, and use RMM tools for interactive access. During the session they run PowerShell to silently install a malicious MSI that stages a portable Node.js runtime and obfuscated JavaScript implant for C2, executing follow-on payloads via rundll32. Operators then perform host and Active Directory reconnaissance, capture desktop screenshots, and pivot via WinRM on port 5985 to domain controllers and certificate authorities. The hands-on-keyboard chain, which can precede data theft and ransomware, blends into normal operations by relying on Teams, Quick Assist, msiexec, and Node.js; Microsoft shares hunting and mitigation guidance.

Microsoft Security Blog·Sep 2, 22:51 UTC · 13d agoThreat actor in the wild

Risky Bulletin: Two TeamPCP members arrested in Australia

Australian Federal Police arrested two alleged TeamPCP members behind supply-chain worm attacks that stole over 500,000 credentials from compromised open-source libraries.

The AFP arrested alleged TeamPCP leader Ruben Thomson, 21, and Louis Gaebler, 23, near Perth; both were charged and remain in custody. The group inserted a self-spreading credential-stealing worm into open-source projects including Trivy, KICS, LiteLLM, and Telnyx, harvesting more than 500,000 credentials used for network access, ransomware, extortion, and sales. About 78,000 tokens and secrets from nearly 2,200 organizations leaked online last month, and the FBI supported the investigation that began in April.

Risky Business News·Aug 28, 04:40 UTC · 19d agoPolicy & legal in the wild1

Infostealers Target Claude, Cursor, Codex and Other AI Agents to Steal Credentials and Sensitive Data

Gen Digital researchers report infostealer families Amatera, Remus and CallbackBeaver now harvest Claude, Cursor and Codex agent data, including tokens and MCP configs.

Gen Digital researchers found commodity infostealers extending their collection rules to local AI coding agent data from Claude, Cursor, Codex, Cline, Continue and OpenCode on Windows and macOS. Amatera targets Cline and Continue, Remus targets Claude, Cursor and OpenCode, and CallbackBeaver added Claude and Cursor with more than 5,000 samples observed in 30 days; Djinn Stealer hits Claude, Codex, Gemini, Cline, OpenCode and Kilo on macOS. Stolen data includes access and refresh tokens, prompt histories, conversation databases and MCP configurations holding API keys, potentially exposing connected source-control, cloud and ticketing systems. Remus is assessed as a Lumma Stealer variant using EtherHiding C2 resolution via Ethereum smart contracts.

GBHackers·Sep 9, 07:05 UTC · 7d agoMalware in the wild1

Attackers Exploit PaperCut Flaws to Steal Credentials From Schools and Universities

Attackers exploit newly disclosed PaperCut auth bypass CVE-2026-81578 and RCE CVE-2026-82078 to steal credentials from schools and universities in the US and Europe.

Arctic Wolf observed threat actors chaining CVE-2026-81578 (authentication bypass) and CVE-2026-82078 (remote code execution) in PaperCut to execute commands, perform reconnaissance, and create privileged accounts on servers at K-12 schools and universities in the US and Europe. Post-exploitation includes registry hive collection with lsa_collect.exe delivered via certutil, Meterpreter Java payloads from 194.180.48.134, and searches of PaperCut config files for passwords, LDAP bindings, and tokens. Stolen logins could provide a pathway into other critical systems across compromised environments.

The Hacker News·Sep 5, 07:31 UTC · 11d agoExploit / PoC in the wildCVE-2026-81578CVE-2026-820781

Ransomware negotiation tactics have turned into a business process

Intel 471's Dave Ross details ransomware negotiation tactics, with demands typically set at 1-5% of annual revenue and specialized criminal service roles.

In a Help Net Security video, Intel 471 Senior Director Dave Ross explains how ransomware groups research a victim's revenue and insurance coverage, run test decryptions to prove they hold a working key, and set demands at roughly 1% to 5% of annual revenue. He describes negotiation dynamics with shifting deadlines and a criminal service economy supplying language skills, data review, and legal analysis. Multi-extortion methods include data theft, DDoS attacks, and direct contact with customers and journalists.

Help Net Security·Sep 8, 05:40 UTC · 8d agoRansomware

Three intrusions at UK criminal records office went undetected for two years

UK ICO reprimands ACRO criminal records office after three undetected intrusions over two years exposed thousands of records, including domestic violence victims.

The UK Information Commissioner's Office reprimanded ACRO Criminal Records Office after three intrusions between July 2021 and June 2023 exploited a Kentico customer portal unpatched since September 2019 and ignored Trend Micro antivirus alerts, including four quarantined Mimikatz detections. An attacker maintained persistent access for roughly seven months and staged data of nearly 11,000 people for exfiltration, though ACRO could not confirm exfiltration due to insufficient logging. ACRO notified more than 84,000 people on a precautionary basis; the Medusa ransomware group claimed the incident, and network segmentation kept attackers out of the Police National Computer.

The Record·Aug 12, 13:08 UTC · Aug 12, 2026Data breach in the wild

BigBear phishing crew nets thousands of Microsoft 365 credentials

CloudSEC accessed the BigBear 2.0 phishing panel, finding 5,137 stolen Microsoft 365 records across 461 organizations, including 474 MFA-bypassed sessions.

CloudSEC researchers got inside the admin panel of BigBear 2.0, an Evilginx2-based phishing-as-a-service operation run by someone known as 'General Boss'. The panel contained 5,137 records tied to 461 organizations: 1,032 plaintext passwords and 4,148 session cookies, with 474 complete MFA-bypassed authentications. The adversary-in-the-middle proxy captures Microsoft 365 session cookies that can be replayed to access email, Teams, SharePoint, and OneDrive, potentially pivoting into Entra ID and federated SaaS. The operation was still active, used custom JavaScript to disable FIDO2/WebAuthn on phishing pages, and routed logins through a residential proxy pool spanning 69 countries.

The Register · Security·Sep 8, 13:26 UTC · 7d agoPhishing & fraud in the wild1

Microsoft Tracks MacSync Stealer by Its Behavior, Not Its Domains

Microsoft correlates over 30 rotating domains to track MacSync Stealer, which steals passwords, SSH keys, wallets and AWS credentials.

Microsoft Defender Experts tracked MacSync Stealer, a macOS information stealer, by analyzing recurring behaviors rather than individual domains, linking over 30 domains to the campaign. The infection chain uses the ClickFix social engineering technique, tricking victims into pasting commands in Terminal, then uses curl, AppleScript, and native macOS tools to deploy the payload. The stealer targets Keychain data, browser passwords and cookies, SSH keys, AWS credentials, Kubernetes configurations, and Ledger and Trezor wallet data, staging data before exfiltration via chunked HTTP PUT requests. RST Cloud identified rapid C2 infrastructure replacement after initial public disclosure.

Security Affairs·Aug 19, 08:57 UTC · 28d agoMalware

Snowflake hacker pleads guilty, faces up to 32 years in prison

Help Net Security·Aug 6, 00:00 UTC · Aug 6, 2026Ransomware

Berlin investigates new data leak after hackers publish stolen login credentials

Berlin investigates a fresh leak after Rhysida hackers published stolen login credentials; the city refuses to pay the ransom demand.

Berlin confirmed hackers published additional stolen data, including login credentials, from a mid-August cyberattack on two city ministries responsible for urban development/housing and transport/climate. The Rhysida ransomware group claimed the breach in late August, saying it stole 5.79 TB of data including contracts, emails, passwords and classified information; Berlin acknowledged an extortion demand but refused to pay. Berlin's data protection regulator said the leak includes personal data on public employees and possibly residents, such as names, addresses, dates of birth and bank information. Germany's BSI separately linked the campaign to the TerminalFix fake-CAPTCHA technique and the LoremIpsumLoader/AxolotLoader malware tied to financially motivated Rhysida-associated hackers, days before Berlin's Sept. 20 election.

The Record·Sep 7, 11:50 UTC · 9d agoRansomware in the wild1

ChatGPT Sandbox Flaw Lets Attackers Steal Gmail Data Across Accounts via Hidden Channel

Check Point found a cross-account covert channel in ChatGPT sandboxes via shared JFrog Artifactory metadata, enabling session hijacking and Gmail data theft. Now fixed.

Check Point discovered that ChatGPT code-execution containers across different accounts could all reach the same internal JFrog Artifactory instance, whose Item Properties API was readable and writable by all accounts, creating a covert cross-account communication channel. Attackers could plant hidden instructions via pasted prompts, shared chat links, or custom GPTs, then trigger tasks in a victim's session to exfiltrate connected-app data such as Gmail, using ChatGPT's default 'Important actions' setting that permits reads without confirmation. OpenAI confirmed and decommissioned the shared Artifactory instance, closing the channel before publication.

Cyber Security News·Sep 8, 15:20 UTC · 7d agoAI safety & security1

Tycon Systems TPDIN-Monitor-WEB3

CISA reports three flaws (hard-coded credentials, CSRF, missing authorization) in Tycon TPDIN-Monitor-WEB3 <=2.2.9 enabling MitM, credential theft, or device resets.

CISA published ICSA-26-246-08 for Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior, covering CVE-2026-77847 (use of hard-coded credentials, CWE-798), CVE-2026-82712 (CSRF, CWE-352), and CVE-2026-82684 (missing authorization, CWE-862). Exploitation could enable man-in-the-middle attacks, factory resets, credential wiping, or extraction of system credentials, configurations, and flash contents; the CSRF issue scores CVSS 8.8. No public exploitation has been reported; CISA recommends isolating devices from business networks.

CISA Advisories·Sep 3, 12:00 UTC · 13d agoAdvisory 2 sourcesCVE-2026-77847CVE-2026-82712CVE-2026-82684

Risky Bulletin: Academics find source code overlaps between Geedge and China's Great Firewall

Academics linked Chinese vendor Geedge Networks' Tiangou Secure Gateway source code to one of the Great Firewall's three traffic filtering capabilities.

US researchers presenting at USENIX Security reconstructed Geedge Networks' Tiangou Secure Gateway firmware from over 100,000 leaked files, including Git repositories with commit history, and matched its filtering behavior to sections of China's Great Firewall. They found only 1 of 3 characterized DNS injectors matched Geedge code, noted the system relies on memory-unsafe C components and copied third-party code, and said its bugs could aid future circumvention tools. Geedge also exports censorship tools to Kazakhstan, Ethiopia, Pakistan, and Myanmar. The newsletter additionally rounds up multiple breaches.

Risky Business News·Aug 21, 02:55 UTC · 26d agoResearch2

Threat actors are coming for your AI assets to operationalize their use of AI

Google GTIG reports espionage and crime groups stealing AI models, prompts, and API credentials, plus distillation campaigns and agentic AI attack automation.

Google Threat Intelligence Group's quarterly AI Threat Tracker reports adversaries stealing proprietary models, source code, prompts, and API credentials from government, healthcare, and media targets, including China-based UNC6508 compromising clouds to run unauthorized LLM workloads. Distillation campaigns against Google's models exceeded 100 million prompts launched via thousands of stolen account credentials through proxy networks. Mandiant also observed a financially motivated actor deploy an autonomous multi-agent framework that harvested thousands of third-party credentials in under 6 hours, and a 'Recon' framework on a live C2 server managing over 23,000 stolen credentials including cloud and AI API keys.

CSO Online·Sep 15, 08:25 UTC · 1d agoThreat actor in the wild

Russian national extradited to US for alleged involvement in bank-account takeover scheme

US extradited Russian national Sergei Filimonov over a bank-account takeover scheme using spoofed bank domains that defrauded two banks of $6.3 million.

US authorities extradited 36-year-old Russian national Sergei Anatolyevich Filimonov from the Republic of Georgia on charges including bank and wire fraud conspiracy and aggravated identity theft. He and unnamed co-conspirators allegedly ran spoofed bank domains, bought sponsored links to lure victims, and harvested over 5,000 victim login credentials starting in November 2023, causing unauthorized transfers of about $5.58 million and $735,000 from two banks in 2024. The FBI previously identified at least 19 US victims linked to the credential-storage domain, with roughly $28 million in attempted losses including $14.6 million confirmed. Filimonov faces up to 175 years in prison, pleaded not guilty on September 4, and remains detained in the Northern District of Georgia.

CyberScoop·Sep 8, 20:32 UTC · 7d agoPolicy & legal

Risky Bulletin: BEC campaign steals €35 million from French notaries

Hackers stole over €35 million from 500+ French notary offices in a four-year BEC campaign; ANSSI spent two years helping evict the attackers.

A business email compromise campaign breached more than 500 French notary offices — about 7% of all French notaries per the Conseil Supérieur du Notariat — over four years, stealing more than €35 million by phishing initial access and silently modifying wire transfer details. France's cybersecurity agency ANSSI worked for two years behind the scenes to help notaries remove the persistent attackers, who had deep access; officials also feared hackers could issue fake notarized acts such as marriage certificates or forged real estate deals. No forged documents have been found so far, but notaries have added two-factor authentication and in-person requirements for banking details, and banks added extra checks in 2024. The newsletter also notes other incidents, including a $320 million Bitcoin extraction from Blockstream's Liquid Network and a JetBrains Cadence breach via TeamCity servers.

Risky Business News·Sep 7, 03:42 UTC · 9d agoPhishing & fraud in the wild1

AI Coding Tools Now a Prime Target for Threat Actors, Google Warns

Google Threat Intelligence Group warns threat actors increasingly target AI coding tools and proprietary AI data, with UNC6780's Dustmaker enabling large-scale supply chain compromises.

Google Threat Intelligence Group's September 8 report says AI-assisted coding tools have become prime targets, contributing to large-scale software supply chain compromises in 2025 and early 2026. Financially motivated group UNC6780 used its Dustmaker credential stealer to extract tokens from GitHub Actions runner memory and compromise packages across PyPI, npm, and Docker Hub, then sold harvested AI tool credentials to other criminals. Chinese nation-state actor UNC6508 conducted espionage against proprietary AI research at North American academic, medical, and military institutions, while extortion gangs stole models, prompts, and source code in Q2 2026. GTIG also documented agentic attacker experimentation, including an autonomous multi-agent credential harvesting campaign built in under six hours and a 'Recon' C2 framework managing over 23,800 harvested secrets.

Infosecurity Magazine·Sep 8, 12:02 UTC · 8d agoThreat actor in the wild 2 sources1