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Week in review: Records allegedly stolen from Azure tenants, Medusa ransomware hits 500+ orgs

Week in review: Medusa ransomware hit 500+ orgs per CISA, millions of Azure tenant records allegedly stolen, SafePal and French tax authority breaches disclosed.

Help Net Security's weekly roundup covers the FBI, CISA, and HHS joint advisory update reporting Medusa ransomware has breached more than 500 organizations since June 2021, and threat actor TheHatman's claim of millions of employee records stolen from Azure tenants of Fortune 500 firms including McDonald's, Vodafone, Kyndryl, and Tata Consultancy Services, per Hudson Rock. It also covers the SafePal breach affecting 39,798 customers, France's DGFiP breach exposing data on 678,000 individuals, and UT San delaying its fall semester after a cyberattack. Security items include critical unauthenticated GitLab flaw CVE-2026-19478, an actively exploited patched macOS Screen Sharing flaw deploying a cryptominer, US charges against 17 Mabna Institute Iranian hackers over 31TB of stolen academic data, and Google Mandiant's AI agents finding 100+ high-severity vulnerabilities.

Help Net Security · 25d agoData breach in the wildCVE-2026-19478

Student photos, bank details stolen by hackers after St James Anglican School in Perth hit by cyber attack

St James Anglican School in Perth reports hackers stole student photos and family bank details in a contained network breach.

St James Anglican School in Perth's north identified unauthorized access to its computer systems in a cyber breach. Hackers stole students' and families' personal information, including photos and bank details. Parents were advised the school immediately contained the incident and secured its systems.

DataBreaches.net · 1d agoData breach

Trezor customers hit with phishing calls and letters after shipping-partner breach

A breach at shipping partner ShipMonk exposed data for about 67,000 additional US Trezor customers, who now face phishing calls and QR scam letters.

SatoshiLabs, maker of Trezor hardware wallets, confirmed the August 2026 ShipMonk breach exposed names, emails, phone numbers, and shipping addresses for roughly 67,000 US customers who ordered between November 2019 and August 2021, on top of 3,889 customers affected initially. ShipMonk attributed the intrusion to attackers exploiting an SQLi zero-day in Metabase's Cloud SaaS platform and retained data past the 90-day deletion requirement. Trezor's own systems were not compromised; customers are reporting phishing calls and QR-code phishing delivered via physical letters.

Help Net Security · 8d agoData breach

412,000 The Town 2025 Ticket Buyers’ Data Hits the Dark Web

A forum seller is offering 412,192 The Town 2025 ticket buyer records, mostly Brazilian with CPF numbers, marketed for bank fraud, loans and SIM registration.

A seller on a Russian-language forum listed a database of 412,192 Latin American ticket purchase records from The Town 2025 festival in Sao Paulo for $10,000, with 251,557 Brazilian records (61% of the total). Data includes names, emails, CPF numbers, phones, neighborhoods, ticket types and payment details, and the seller explicitly markets CPFs for Brazilian bank fraud, loans and SIM registration. Ransomnews validated the sample as genuine ticket-buyer data, but identical October 1, 2025 processing timestamps suggest a single post-event batch export rather than a direct Ticketmaster breach.

Security Affairs · 13d agoData breach

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 · 15d agoData breach in the wild

Loan Depot Data Breach Hits 166

Mortgage lender LoanDepot suffered a data breach reportedly affecting around 166,000 individuals, per the headline.

The headline indicates LoanDepot experienced a data breach impacting approximately 166 (thousand) individuals; the exact figure and scope are truncated. No article text is available, so details on data types exposed or the intrusion method are unavailable.

Infosecurity Magazine · 29d agoData breach

SafePal Says 39,798 Customers Hit by Data Breach

Crypto wallet maker SafePal disclosed a breach exposing order data of 39,798 customers via a plugin authorization flaw; keys and seed phrases unaffected.

SafePal, a Singapore-based cryptocurrency security company, said an authorization flaw in an order-tracking plugin let attackers access order records placed between March 2, 2025 and April 11, 2026. Exposed data includes names, emails, addresses, phone numbers, and purchase details for about 39,798 customers, while seed phrases, private keys, wallet passwords, and payment data were not exposed. A threat actor advertised the same dataset on a cybercrime forum, and affected customers were notified by email on August 16. The company patched the flaw, reduced data retention to 90 days, and removed over 30 fraudulent phishing websites.

Security Affairs · Aug 17, 2026Data breach in the wild

SafePal Data Breach Hits Tens of Thousands of Customers

A data breach at crypto hardware wallet maker SafePal has impacted the personal data of nearly 40,000 customers.

Infosecurity Magazine reports that a data breach at SafePal, a provider of cryptocurrency hardware wallets, has affected nearly 40,000 customers. The incident impacted tens of thousands of users of the wallet provider, though details on the attack vector and exact data types exposed were not provided in the source text. Customers of hardware wallet vendors are attractive targets given their association with cryptocurrency holdings.

Infosecurity Magazine · Aug 17, 2026Data breach

Leaks, data breaches, and ransom notes: The worst hacks of 2026 so far

TechCrunch's 2026 roundup covers SSA data exposure, Iranian water-utility attacks, Klue breach hitting ~200 firms, and Meta AI chatbot account hijacks.

TechCrunch's mid-year roundup highlights a whistleblower claim that DOGE uploaded a live Social Security database copy to an unsecured third-party server, which House Democrats called potentially the largest US breach in history. CISA reported Iranian hackers targeted over 100 US water providers over the summer, while Russian-linked attacks hit Polish, Swedish, and Norwegian energy and water infrastructure. Market research firm Klue was breached via a stale 2022 pilot credential, exposing cloud keys of ~200 customers including Jamf, HackerOne, and LastPass to extortion gang Icarus. Separately, tens of thousands of Instagram accounts were hijacked by abusing Meta's AI chatbot to trigger password resets to attacker-controlled emails.

TechCrunch · Security · 1d agoData breach in the wild

Coast Guard, FBI boarded tanker after attack by ‘foreign cyber actors’

US Coast Guard and FBI boarded an oil tanker after foreign hackers compromised its network; VL Prosperity reportedly lost communications for 30 hours.

The US Coast Guard confirmed that a specialized team including USCG Cyber Protection Team members and FBI Cyber Action Team operators boarded a tanker on August 21 after indications its network was compromised by foreign cyber actors. Bloomberg identified one vessel as VL Prosperity; Iranian state-linked outlet Mehr reported it lost communications for 30 hours after an August 7 attack while transiting the Strait of Gibraltar, with a crew member alleging attackers increased engine speed and disabled fuel and engine-oil tanks. No operational disruptions or environmental impacts were reported, no group has claimed responsibility, and Russian analysts linked the incident to US-Iran tensions. A day before the alleged attack, North Carolina Ports reported a cyberattack that forced a shift to manual operations.

The Record · 13h agoData breach in the wild 2 sources

280,000 Impacted by Premier Medical Group Data Breach

New York healthcare provider Premier Medical Group is notifying 282,075 patients that personal and medical information was stolen in a June breach.

New York healthcare provider Premier Medical Group is notifying 282,075 patients whose personal and medical data was stolen in a June breach. Attackers accessed certain files on June 14 after some systems were disrupted, but PMG has not disclosed how the attack occurred or who was responsible. Exposed data includes names, contact information, dates of birth, treatment and diagnostic details, medication information, and health insurance details. PMG reported the incident to HHS, which added it to its public breach portal this week.

SecurityWeek · 21h agoData breach in the wild

Revolut’s paperwork breach shows why insurers are rethinking what counts as a ‘cyber attack’

Revolut handed customer data to an attacker using a spoofed government email, prompting insurers to rethink cyber attack coverage definitions.

Revolut disclosed customer data after receiving a request from what appeared to be a genuine government email address; no servers were breached and no malware was involved. The social engineering incident has become a test case for how cyber insurers define a 'cyber attack'. The report is by Matthew Sellers. It highlights a growing gap between technical intrusions and data-loss incidents caused by impersonation.

DataBreaches.net · 1d agoData breach

Trezor Says 347,000 Users Received Phishing Emails After Brevo Hack

Attackers abused Brevo's SAML SSO to access 138 accounts, sending phishing emails to 347,000 Trezor customers and exfiltrating contacts from 43 accounts.

Trezor said 347,000 of its customers received phishing emails with the subject line 'Critical Security Alert: STM32 Entropy Vulnerability' after the attacker compromised the Brevo marketing platform. Brevo said the intruder created an account, enabled SAML SSO, and used its own identity provider to access 138 accounts, exfiltrating contacts from 43 of them. Trezor reported 2,500 users clicked the malicious link before the site was taken offline 20 minutes after detection; potential fund losses are unknown. Swiss wallet maker BitBox and crypto tax calculator CoinTracking also appear affected, and Trezor separately disclosed a ShipMonk breach now affecting roughly 81,000 people.

SecurityWeekupdated · 5d agofirst · 5d agoData breach in the wild 4 sources

I Think the Military Commissary Freezers Were Hacked

Refrigeration failures at six-plus US military commissaries prompt speculation of a cyber attack on DeCA's remote monitoring systems; Pentagon acknowledges possible disruption.

The author documents near-simultaneous freezer and refrigeration failures at confirmed installations including Fort Huachuca, F.E. Warren AFB, Fort Irwin and Travis AFB on August 26-27, with freezers entering defrost mode that heated and spoiled food. DeCA's Remote Monitoring Control System controls defrost across roughly 182 locations, and an unverified comment attributed the Fort Huachuca failure to a network issue. Stars and Stripes and Military Times independently reported the multi-base failures, and the Pentagon acknowledged a 'possible refrigeration disruption,' though no evidence of hacking has been confirmed.

Lobsters · security · 14d agoData breach

Canada’s Hospital for Sick Children attacked by cybercriminals again as employee data stolen

Canada's Hospital for Sick Children reported a data theft incident exposing current and former employee data via a third-party application.

The Hospital for Sick Children (SickKids), Canada's largest pediatric health center, disclosed that hackers stole personal information of current and former employees, job applicants, and SickKids Foundation staff, likely through a third-party software application. The attack briefly took down the hospital's careers website but did not involve clinical systems or patient information. Affected individuals were notified and offered two years of credit monitoring. The hospital was previously hit by ransomware in 2022.

The Record · 26d agoData breach in the wild

Mozilla Revokes Firefox and Thunderbird Linux Signing Key After Key Lands in Private Repo

Mozilla revoked the Firefox and Thunderbird Linux RPM signing subkey after an unencrypted copy landed in a private repo; no unauthorized access found.

Mozilla revoked the OpenPGP signing subkey (fingerprint 09BE ED63 F346 2A2D FFAB 3B87 5ECB 6497 C1A2 0256) used for Firefox and Thunderbird Linux downloads after an unencrypted copy was committed to one of its private repositories, citing reason code 2, 'key material has been compromised.' Audit records showed no sign of unauthorized access, and a replacement subkey (827E 6586 0867 9618 CD34 9F93 678E 455D 7676 7AA3) valid until August 5, 2028 was published. Users who verify signatures manually or install from Mozilla RPM packages may need to import the new key and remove the old one. The rotation came roughly seven months ahead of Mozilla's usual two-year subkey cycle.

The Hacker News · Aug 11, 2026Data breach

Suisan City, California, Responds to Cyber Incident Amid Wave of US Local Government Attacks

Suisan City, California responds to a cyber incident disrupting police and fire services amid a wave of US local government attacks.

Suisan City, California is responding to a cyber incident that has impacted police and fire response operations. Two other local authorities were also hit by cyber incidents in the past week. The attack forms part of a broader wave targeting US local government bodies.

Infosecurity Magazine · Aug 11, 2026Data breach