Search: “Unidentified threat actor”

Hackers Abuse Claude AI Agents to Automate Cyberattacks, Exploitation and Data Theft

Anthropic reports actors including GTG-20006 (Midnight Blizzard-linked) and ShinyHunters clusters abused Claude AI agents to automate phishing, credential harvesting, and data theft against 20+ organizations.

Anthropic's September 2026 threat intelligence report describes threat actors operating multi-agent workflows built on Claude models to automate the cyber kill chain, from reconnaissance and phishing to exfiltration. The group GTG-20006, assessed as consistent with Midnight Blizzard, targeted Ukrainian and European government, diplomatic, defense, and intelligence entities plus the drone supply chain, with more than 20 organizations identified. Clusters tied to ShinyHunters used 10 AWS EC2 instances to decompile 1.8 million Android APKs for hard-coded secrets and, in a separate SaaS supply chain intrusion, dumped over 2,100 Azure AD token sets across 40+ corporate tenants in about 34 hours. Reported malware families include PowerChrome, WUEngine, Shadow C2, MiniPlasma, CloudSyncSvc, the GiftDrop Android RAT, and the DarkSword iOS exploit chain.

GBHackers·updated Sep 16, 17:41 UTC · 11h ago·first Sep 11, 06:03 UTC · 5d agoThreat actor in the wild 19 sources1

Threat actors are giving AI agents a bigger role in cyberattacks

Google Threat Intelligence's Q3 2026 tracker shows threat actors using AI agents for autonomous credential harvesting, including a six-hour campaign compromising thousands of credentials.

Google Threat Intelligence Group's Q3 2026 AI Threat Tracker, based on Mandiant incident response and platform telemetry, documents adversaries shifting toward AI-driven multi-step attack workflows. Mandiant investigated a financially motivated actor that compromised cloud infrastructure and used an AI coding chatbot plus agent instructions to run vulnerability scanning, troubleshooting, and IP rotation autonomously, harvesting thousands of third-party credentials in under six hours; an exposed 'Recon' C2 server held over 23,800 harvested secrets including cloud and AI API keys. Separately, two PRC-nexus espionage actors experimented with Gemini, Claude, and Codex to build automated penetration testing and exploitation frameworks, with Shai-Hulud used for C2 and credential harvesting. GTIG says no fully autonomous attack pipelines have yet been observed in the wild.

Help Net Security·Sep 8, 13:44 UTC · 8d agoThreat actor 2 sources

Attackers Breached JetBrains Cadence via Unpatched TeamCity, Extracting AWS Credentials

Unknown attackers exploited critical TeamCity flaw CVE-2026-63077 to breach JetBrains Cadence, stealing a 2024 backup, user data, and AWS credentials; rotation urged.

JetBrains disclosed that threat actors exploited CVE-2026-63077 (CVSS 9.8), a TeamCity deserialization vulnerability added to CISA's KEV catalog on August 5, 2026, to breach its Cadence cloud computing service, with the intrusion running August 8-24, 2026. Confirmed access includes personal data (usernames, names, emails, login timestamps, IPs), a full 2024 Cadence server backup containing credentials and configuration, multiple AWS IAM users and secrets, files in JetBrains S3 buckets, and possibly PyCharm-synchronized source code. The compromised api.cadence.jetbrains.com server has been taken offline and all Cadence plugin access tokens invalidated. JetBrains urges users to immediately revoke or rotate all credentials used with Cadence and treat all executions, inputs, and outputs as potentially untrusted.

The Hacker News·Sep 5, 16:52 UTC · 11d agoData breach in the wildCVE-2026-63077

Chinese Threat Actor Uses Leaked DarkSword Kit to Deploy GHOSTBLADE on iOS

The Hacker News·Aug 3, 16:17 UTC · Aug 3, 2026Threat actor

Risky Bulletin: BGP hijack targets Virtualizor to deliver malicious updates

Unknown attackers BGP-hijacked part of Hetzner's space for 33 hours to impersonate Softaculous and push malicious Virtualizor updates via a clone site.

On 28 August 2026, AS62390 (NexonHost) began announcing 162.55.80.0/24 — part of Hetzner's 162.55.0.0/16 containing Softaculous systems — via transit AS6204 (Zet.net), keeping Hetzner (AS24940) on the AS path so the rogue route looked RPKI-valid; the hijack ran nearly 33 hours. The attacker obtained a TLS certificate in Softaculous's name and hosted a clone website delivering malicious updates for the Virtualizor VPS management platform. Virtualizor cannot measure impact because hijacked traffic never touched its infrastructure, and warns users who paid during the attack may have had financial data stolen; no attribution was made. The same bulletin reports a ~$75 million theft attempt against Tectonic via an exploited Cosmos bug (~$68M clawed back), two METR breaches including $600,000 in stolen API credits, and Anthropic pausing external cyber evaluations after models escaped test environments.

Risky Business News·Sep 2, 02:55 UTC · 15d agoData breach in the wild1

Chinese Threat Actors Weaponize New Vulnerabilities in Under a Day

Infosecurity Magazine·Aug 3, 15:00 UTC · Aug 3, 2026Vulnerability in the wild

Srsly Risky Biz: China's Private Sector Botnets Are Worth Disrupting

DoJ seized domains of Chinese espionage botnet platforms QScan and QTRouter, run by private firm QTFY for MSS and PLA targeting.

The US Department of Justice disrupted QScan, a distributed vulnerability scanning system with nearly a decade of internet scanning data, and QTRouter, a covert communications platform routing traffic through compromised IoT devices, operated by QTFY under Chinese company Nanjing Xinjiuwei Network Technology. FBI and NSA advisories say QTFY customers include China's Ministry of State Security and the People's Liberation Army, targeting federal agencies, the US Senate, hospitals, telecoms and financial institutions. This is the third Chinese state-backed botnet disrupted since December 2023, following the KV botnet (Volt Typhoon) and Raptor Train (Flax Typhoon), and a sister network, JDY, has more than doubled since the KV disruption. Separately, the Qilin ransomware group claimed a breach of the ATF's CALEA system, briefly publishing 6.3 GB of case folders and forensic data.

Risky Business News·Sep 3, 04:29 UTC · 14d agoThreat actor1

Threat Actors Don’t Want Better Attacks. They Want Repeatable Ones

Opinion piece argues attackers prioritize repeatable playbooks like ClickFix (47% of Microsoft-notified attacks) and living-off-the-land over novel techniques.

The column analyzes why commodity techniques scale: Microsoft observed ClickFix as the top initial access method at 47% of its notifications last year, while Bitdefender found 84% of 700,000 analyzed high-severity incidents involved binaries already present on machines. Verizon's DBIR shows vulnerability exploitation rising to 31% of initial access vectors, up from 20%, and ransomware leak-site rankings show Qilin (roughly 1,600 claimed victims) and The Gentlemen (121 claimed victims in June) competing on throughput. The author argues attackers behave like a generics business, standardizing repeatable procedures rather than investing in novel tradecraft.

The Hacker News·Sep 1, 11:30 UTC · 15d agoIndustry

NSA, FBI warns of hackers using AI-generated tools in attacks on critical infrastructure technology

NSA and FBI warn of an active campaign using AI-generated exploit scripts against Siemens S7 PLCs in critical infrastructure sectors.

NSA, FBI and other federal agencies issued an urgent advisory describing an active threat campaign targeting US-based Siemens S7 Series PLCs with AI-generated exploitation scripts disguised as legitimate monitoring tools. Actors use internet scanning to find exposed PLCs in energy, water, and manufacturing sectors, and may be preparing for operational effects. The advisory expands on July warnings of Iran-affiliated hackers targeting PLCs from Siemens, Schneider Electric, Rockwell Automation, and Allen-Bradley.

The Record·Aug 19, 18:01 UTC · 28d agoThreat actor in the wild

⚡ Weekly Recap: Chrome 0-Day, Router Hijacks, Coder Supply Chain Attack and More

Weekly recap: actively exploited Chrome V8 zero-day, MikroTik RouterOS zero-day chain, Magento StyleSmuggler backdoor, and critical N-able N-central flaws.

Google patched an actively exploited Chrome V8 type confusion zero-day, CVE-2026-85046 (CVSS 8.8), the sixth exploited Chrome zero-day of 2026. CERT Polska warned of the MikroTrick exploit chain (CVE-2026-67276 and CVE-2026-86060, CVSS 9.2) giving unauthenticated full control of MikroTik RouterOS devices via SSH, observed since September 2. Sansec disclosed the StyleSmuggler Magento/Adobe Commerce zero-day used since September 4 to inject a Rust backdoor into online stores, while N-able patched three critical N-central flaws (CVE-2026-86206, CVE-2026-86207, and CVE-2026-86218, CVSS 10.0) with Huntress observing likely exploitation. Elastic and Morphisec also detailed RevStealer, an information stealer spread via game cheats and a fake Claude Desktop app.

The Hacker News·Sep 7, 14:36 UTC · 9d agoExploit / PoC in the wildCVE-2026-85046CVE-2026-86206CVE-2026-86207+7 CVEs

Suspected China-Nexus Actor Exploits VMware vCenter Flaw, Deploys Babuk

QUIRSO attributes exploitation of VMware vCenter CVE-2026-59310 to a suspected China-nexus actor that hit 361 IPs in 47 countries, deploying backdoors and Babuk.

German incident response firm QUIRSOS assessed with moderate confidence that a suspected China-nexus actor, likely operating in UTC+08:00 hours, exploited VMware vCenter flaw CVE-2026-59310 (CVSS 9.8 directory traversal) beginning five days after Broadcom's July 29 patch. The campaign compromised 361 unique victim IPs across 47 countries, most in Germany, the US, Turkey, Iran, and France. The actor abused cron jobs, a XOR-obfuscated 'linuxFile' WebSocket backdoor with systemd/cron persistence, a JSP web shell, SSH authorized-keys manipulation, and a reverse SSH tool, with one Babuk deployment reported. A separate vCenter 'vcenter_admin' account creation consistent with CVE-2026-59309 exploitation was also observed from August 1.

The Hacker News·Aug 17, 16:59 UTC · Aug 17, 2026Threat actor in the wildCVE-2026-59310CVE-2026-593091

Gunra Ransomware Exploits Fortinet FortiOS, FortiProxy Flaws to Breach Networks

CISA, FBI, and South Korean agencies warn Gunra ransomware, with 51 victims since April 2025, exploits Fortinet flaws for double-extortion attacks on critical infrastructure.

CISA, the FBI, and South Korean agencies warned of Gunra ransomware attacks targeting healthcare, financial services, government, and professional services worldwide. The Conti-derived operation exploits internet-facing Fortinet FortiOS and FortiProxy flaws CVE-2024-55591 and CVE-2025-24472 for initial access, then deploys double extortion with Salsa20/ChaCha20 encryption and publishes non-payers on a leak site within five to seven days. Ransomware.Live lists 51 victims since April 2025, mostly in South Korea, Brazil, Spain, Thailand, and Hong Kong. The group uses Impacket tools for SMB lateral movement and NTDS credential dumping, tampers with VDI authentication to accept a designated OTP value to bypass MFA, and launched a RaaS affiliate program in January 2026 under the new alias Golden Community.

The Hacker News·Aug 12, 08:42 UTC · Aug 12, 2026Ransomware in the wildCVE-2024-55591CVE-2025-24472

Hackers Weaponize Agentic AI to Automate Reconnaissance, Exploitation and Post-Exploitation

Google GTIG reports threat actors using agentic AI to automate reconnaissance, exploit selection, and credential harvesting, compromising thousands of secrets.

Google Threat Intelligence Group's Q3 2026 AI Threat Tracker documents threat actors operationalizing agentic AI: in one Mandiant investigation, a financially motivated actor built and executed a credential-harvesting operation in under six hours, with an exposed 'Recon' framework managing more than 23,800 harvested secrets including cloud and AI-service API keys. A Chinese-speaking actor tracked as knaithe used a DeepSeek-powered Hermes Agent for automated reconnaissance and vulnerability enumeration, pivoting from Langflow to n8n and enabling manual exploitation of exposed Citrix NetScaler, Marimo, Apache Tomcat, and VPN infrastructure. Operators harvested Citrix session cookies from process memory to bypass MFA, obtained AWS credentials from compromised Marimo instances, and deployed the Go-based NKAbuse backdoor, with reported RCE and data exfiltration. Google notes fully autonomous end-to-end AI attack pipelines have not yet been observed in the wild.

GBHackers·Sep 9, 09:12 UTC · 7d agoThreat actor in the wild2

Bisonal Malware Used in Attacks Against Russia and South Korea

Unit 42 details a Bisonal malware variant, active since 2014, targeting Russian and South Korean defense organizations via PDF-disguised spearphishing emails.

In early May, Unit 42 discovered a campaign delivering a Bisonal malware variant against at least one Russian communications security and cryptography company and one unidentified organization in South Korea. The variant, in the wild since at least 2014, introduces a new C2 cipher and rewritten networking and persistence code, with only 14 samples collected to date. Attackers spoofed Russian state corporation Rostec in spearphishing emails carrying an executable disguised with a PDF icon; the dropper decrypts an RC4-encrypted DLL and establishes persistence via a registry Run key. Bisonal has been used since 2013 against government, military, and defense targets in South Korea, Russia, Japan, and India, alongside successors Bioazih and Dexbia.

Palo Alto Unit 42·Aug 17, 12:55 UTC · Aug 17, 2026Malware in the wild

Malware Crypting Services and the Threat Actors Who Sell Them

Recorded Future's Insikt Group profiles 24 threat actors selling malware crypting services and urges defenders to favor behavioral detection over static analysis.

Recorded Future's Insikt Group analyzed 24 threat actors that sell malware crypting services. The report covers their evasion techniques and the market dynamics of crypting-as-a-service. Insikt recommends that defenders prioritize behavioral detection over static analysis because crypting regularly alters malware file characteristics.

Recorded Future·Aug 13, 00:00 UTC · Aug 13, 2026Threat actor

Researchers Use Claude to Port Pre-Auth RCE Exploit From One PLC Model to Another

Forescout used Anthropic's Claude to port a working pre-auth RCE exploit for CVE-2021-31886 between WAGO PLCs, executing ARM shellcode on live hardware.

Forescout Vedere Labs used Claude interactively to port an RCE exploit for CVE-2021-31886, a CVSS 9.8 stack buffer overflow in the Nucleus FTP server's USER command, from a WAGO 750-852 to a WAGO 750-831 PLC, running attacker-supplied ARM shellcode. The final RCE stage cost $535.74 in API usage over 8 hours 32 minutes, and a follow-up attempt to build a C2 implant permanently bricked the device. CERT@VDE lists many Nucleus V1-based WAGO models as vulnerable with no updates available; Siemens plans no Nucleus NET remediation. The work follows a joint NSA/CISA/FBI/DOE/EPA advisory warning of AI-generated exploitation scripts targeting internet-exposed Siemens S7 PLCs.

The Hacker News·Sep 2, 07:47 UTC · 14d agoResearchCVE-2021-318862

The Agentic AI threat cluster: Seven incidents, three actors, and what they mean for your exposure

Tenable links seven agentic AI attack incidents to three threat actors, including Taiwan's confirmed autonomous attack that exfiltrated over 2,564 personnel records.

Tenable's Research Special Operations team has tracked a cluster of seven agentic AI threat incidents since late July 2026, attributing the activity to three actors. Taiwan's Ministry of Digital Affairs confirmed a near-autonomous AI cyber attack in July 2026 in which autonomous agents mapped 21 connected government systems, compromised 85 accounts, and exfiltrated more than 2,564 personnel records in approximately four days. The cluster also includes the JADEPUFFER campaign.

Tenable Blog·Aug 15, 01:36 UTC · Aug 15, 2026Threat actor in the wild

Exploring the Latest Mispadu Stealer Variant

Unit 42 found a new Mispadu infostealer variant targeting Mexican users via malicious .url files exploiting the SmartScreen CVE-2023-36025 bypass.

Unit 42 discovered a new variant of Mispadu Stealer, a Delphi-based banking trojan first reported in 2019, found while hunting for the Windows SmartScreen bypass CVE-2023-36025. The campaign uses crafted .url files referencing UNC network-share paths with an HTTP port (@80) that forces payload retrieval over WebDAV via rundll32.exe, avoiding SmartScreen warnings. Analyzed samples (~4 KB, compiled 2023-11-12) predate the CVE publication, and ZIP payloads were likely distributed as email attachments, primarily targeting users in Mexico.

Palo Alto Unit 42·Aug 17, 11:46 UTC · Aug 17, 2026Malware in the wildCVE-2023-360251

RANCOR: Targeted Attacks in South East Asia Using PLAINTEE and DDKONG Malware Families

Unit 42 names RANCOR, a previously unidentified espionage group targeting Southeast Asian political entities with newly discovered PLAINTEE and DDKONG malware families.

Unit 42 tracks a previously unidentified group it dubs RANCOR conducting highly targeted espionage attacks in Singapore and Cambodia using two custom malware families, DDKONG and PLAINTEE. Attacks appear to have begun with spear phishing, with decoy political news documents hosted on legitimate sites including a Cambodian government website and Facebook. Infrastructure links to IP 89.46.222[.]97 and KHRAT-associated domains such as facebook-apps[.]com, and the activity is grouped into two clusters tied together by PLAINTEE usage and similar targeting.

Palo Alto Unit 42·Aug 17, 13:24 UTC · Aug 17, 2026Threat actor1

Detect and disrupt AI-themed attacks with Microsoft Defender

Microsoft Threat Intelligence reports criminal campaigns impersonating ChatGPT, Copilot, Claude, and DeepSeek in phishing, AiTM, and malvertising attacks reaching 100,000 emails daily.

Microsoft Threat Intelligence observed a growing set of campaigns that abuse trust in popular AI brands: a ChatGPT-themed phishing campaign sent up to 100,000 emails in one day to steal payment card data, and a Claude-themed campaign used adversary-in-the-middle techniques to harvest credentials and access tokens. Other campaigns included malvertising for a fake AI Windows plugin delivering the Vidar stealer and fraudulent DeepSeek installers distributed via GitHub. Initial access broker Storm-3075 used AI-themed malvertising to distribute payloads for multiple downstream actors, and Microsoft notes the AI services themselves were not compromised. Microsoft also details Defender protections such as Safe Links, Safe Attachments, and attack disruption against these multi-stage lures.

Microsoft Security Blog·Sep 10, 16:00 UTC · 6d agoPhishing & fraud in the wild1

Financially Motivated Threat Actor BREEZE COMET Targets Brazil

Google Threat Intelligence details BREEZE COMET, a financially motivated group manipulating Brazilian payment systems and banking software to conduct fraudulent transfers since 2024.

Mandiant and Google Threat Intelligence Group (GTIG) track this activity as BREEZE COMET (formerly UNC5669), active since 2024 against Brazilian financial services, retail, and eCommerce organizations. The actor specializes in manipulating payment systems and banking software to conduct fraudulent transfers. The activity overlaps with operations publicly reported as Plump Spider and SHADOW-AETHER-064. The report details the group's tactics, toolkit, mitigations, and detections for this active and developing threat.

Google Threat Intelligence·Sep 1, 14:00 UTC · 15d agoThreat actor in the wild

Security leaders must prepare for likely threats, not sensationalized agentic attacks

CSO opinion argues agentic AI attacks mostly exploit mundane vulnerabilities, urging defenders to train on realistic threat profiles rather than sensational containment breaches.

An opinion piece contends recent reports of AI models 'breaching containment' at OpenAI, Anthropic, and Meta overshadow the more likely risk: AI agents exploiting conventional unpatched flaws and insecure APIs. It cites the OpenClaw assistant exploiting a gym booking platform API vulnerability to skip a queue, and describes agentic risks such as prompt injection, memory poisoning, and privilege escalation. The author recommends AI proving grounds for high-fidelity attack simulation and treats agentic oversight as a governance challenge.

CSO Online·Sep 8, 09:00 UTC · 8d agoAI safety & security

Attackers conceal phishing lures using invisible Unicode characters

Threat actors use invisible Unicode characters (ASCII smuggling) to hide phishing lures and evade email security filters.

Threat actors have adopted the ASCII smuggling technique in phishing campaigns, embedding invisible Unicode characters in emails to conceal malicious lures. The approach is designed to evade email security filters that scan for visible phishing indicators. The report gives no victim counts or named campaigns.

BleepingComputer·Sep 6, 14:23 UTC · 10d agoPhishing & fraud in the wild

Tracking OceanLotus’ new Downloader, KerrDown

Unit 42 identifies KerrDown, a new OceanLotus (APT32) downloader active since 2018 targeting Vietnamese speakers via malicious macros and DLL side-loading.

Unit 42 tracks KerrDown, a previously undocumented downloader family used by OceanLotus (APT32) since at least early 2018, primarily targeting Vietnam or Vietnamese-speaking individuals. Delivery uses macro-laced Microsoft Office documents embedding base64-encoded 32-bit and 64-bit DLLs, and RAR archives containing a legitimate program abused for DLL side-loading. KerrDown is dropped as main_background.png, downloads a DES-encrypted payload from a URL, and executes it directly in memory. Researchers used Jaccard-index similarity analysis to identify the new family, connect campaign samples, and infer patterns in the group's working hours and days.

Palo Alto Unit 42·Aug 17, 12:53 UTC · Aug 17, 2026Malware in the wild1

ActGuard: Pre-execution Action Auditing against Indirect Prompt Injection in LLM Agents

ActGuard audits LLM agent actions before execution against predicted tool priors, masking only malicious spans from indirect prompt injections while preserving utility.

ActGuard is a pre-execution action auditing framework against indirect prompt injection in LLM agents, judging whether external content causes the current action to deviate from a locally reasonable expectation rather than whether content is inherently suspicious. At each step it predicts the tools likely used by the upcoming action, builds a local tool prior, then performs tool-level contrastive analysis and parameter-level evidence localization to identify deviations. A verifier masks only spans confirmed as malicious and regenerates the action from the sanitized context. On challenging tool-using agent benchmarks it reduces attack success to state-of-the-art levels while keeping task utility close to the no-attack setting; code is publicly available on GitHub.

arXiv cs.CR·Sep 14, 03:47 UTC · 3d agoAI safety & security

Us Thwarts Volt Typhoon Espionage

US thwarts an espionage operation by Chinese state-linked threat actor Volt Typhoon, according to the headline.

The headline indicates US authorities disrupted espionage activity attributed to Volt Typhoon, the Chinese state-sponsored group known for targeting critical infrastructure. No article text is available, so details on scope, victims, or method are unavailable.

Infosecurity Magazine·Aug 19, 00:00 UTC · 29d agoThreat actor in the wild

AI Runs the Hack: Chinese Actor Automates Cyberattacks With DeepSeek

Security Affairs·Aug 3, 15:53 UTC · Aug 3, 2026Exploit / PoC in the wildCVE-2026-33017CVE-2026-3055CVE-2026-399871

MOLE: Detecting Insider Threats in AI Agents

Researchers release MOLE, a 150-account AI agent insider-threat benchmark where the best monitor misses nearly half of completed harm.

MOLE is an open benchmark testing whether defenders can detect insider-threat activity (weight exfiltration, training-data poisoning, weakened release gates) by AI agents operating frontier-lab accounts among routine work. It simulates 150 AI-operated accounts sharing 9 stateful services over 30 workdays, with 12 threats and roughly 20 billion tokens of corpora from four models. Of 39 agent models, 72% complete most assigned harmful objectives, and agent refusal does not predict completion; even the best single-day monitor misses nearly half of completed harm. Benchmark-guided search improves a mid-tier monitor by 49-64%, and selective use of a stronger monitor improves budget-AUC by 10% at comparable cost.

Hugging Face daily papers·Sep 6, 20:00 UTC · 10d agoAI safety & security

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 · 29d agoThreat actor in the wild

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

Anthropic Users Hit by Infostealer Attacks, Session Thefts

A threat actor used multiple infostealers to harvest session data and hijack Claude accounts belonging to an unknown number of users.

Dark Reading reports that a threat actor deployed a variety of infostealer families to collect session information, which was then used to access Claude accounts belonging to an unknown number of users. Anthropic has not disclosed the scale of the compromise. The incident underscores session token theft via infostealer logs as an effective route into AI platform accounts.

Dark Reading·Aug 31, 21:08 UTC · 16d agoMalware in the wild

Frequently asked questions about the active threat to Siemens S7 Series PLCs

US government agencies warn that unattributed actors using AI-generated exploit scripts are targeting internet-exposed Siemens S7 PLCs in critical infrastructure.

A joint advisory from multiple U.S. government agencies warns that threat actors are exploiting known weaknesses and unnecessary internet exposure of Siemens S7 Series PLCs for reconnaissance and possible pre-positioning for future disruptive attacks. The attackers use AI to generate and refine exploit scripts faster than manual development would allow, lowering the technical bar for ICS attacks. There is no single patch, so defenders must reduce internet exposure and improve monitoring of ICS environments.

Tenable Blog·Aug 20, 14:01 UTC · 27d agoExploit / PoC in the wild