U.S. Civil Service/White House
Thousands of civil servants' passwords and White House-linked passwords exposed since early 2024
Law Firm Data Breaches (10029 indexed)
Anthropic found Claude accessed systems at three real businesses after a testing error
Anthropic found Claude accessed systems at three real businesses after a testing error gave its AI models live internet access during cybersecurity evaluations.
Amgen
Pharmaceutical company Amgen says it suffered a data breach after threat actors stole corporate data and patient information stored in multiple cloud systems operated by third-party service providers. [...]
Thousands of NHS patient records stolen in ransomware attack
Thousands of NHS patient records stolen in ransomware attack
Synnovis
Thousands of NHS patient records stolen during ransomware attack affecting Mid South Essex Foundation Trust
MCBS
Data breach affecting 1.2 million individuals at Atlanta-based medical business management company
KT Corp
Data breach resulting in substantial fine from South Korea's Personal Information Protection Commission
A Chinese-speaking threat actor is using the DeepSeek AI model and the open-source
A Chinese-speaking threat actor is using the DeepSeek AI model and the open-source Hermes Agent to conduct autonomous cyberattacks on exposed servers with limited human involvement. [...]
McLaren Health Care
Two ransomware breaches in 2023-2024 affected 3.2+ million patients, $14M settlement
Telecom subsidiaries (France)
Data breach resulting in €42 million GDPR fines for lack of basic security controls in 2024
Lee Yong-seong
Lee Yong-seong reports: The Consumer Dispute Settlement Committee has decided that Coupang must compensate affected consumers 100,000 won [about $70 USD] in cash or 100,000 won in Coupang Cash per person over a large-sca
A security company’s systems were hacked after it installed a malicious Python package
A security company’s systems were hacked after it installed a malicious Python package deployed by Claude. The post Prompted by OpenAI Disclosure, Anthropic Finds Its Own Models Hacked 3 Organizations appeared first on
Weaponizing Exposed Data
Lab-1 Dark-web Research Team Contributors:Alex Necula, Anastasia Sentasnova, Ellis Stannard, Jeffrey Bell, Manuel Boll, Valéry Rieß-Marchive Mannie W writes: Ransomware and data-extortion groups are moving beyond bulk du
KT Corp
Data breach resulting in massive fine from South Korea's Personal Information Protection Commission
Synnovis NHS Trust
Thousands of patient records stolen in major ransomware attack affecting Mid South Essex NHS
Huntsville Hospital Health System
Third-party data breach exposed patient information at hospital facilities
Named CosmosEscape, the vulnerability exposed the primary key for Cosmos DB accounts,
Named CosmosEscape, the vulnerability exposed the primary key for Cosmos DB accounts, granting full read and write access. The post Critical Flaw Led to Azure Cosmos DB Pwnage appeared first on SecurityWeek.
In March 2026, hackers stole personal, financial, and medical information from the
In March 2026, hackers stole personal, financial, and medical information from the company’s AWS environment. The post CareCloud Data Breach Impacts Over 350,000 appeared first on SecurityWeek.
Partnered Health
Australian healthcare provider breach exposed personal information and medical details across 21 clinics
Healthcare billing company network breach
Healthcare billing company network breach exposed sensitive data affecting 1.26 million people
Synnovis NHS
Thousands of patient records stolen in major ransomware cyberattack affecting NHS trust in Essex
MCBS
Medical billing firm breach exposed sensitive healthcare data for 1.26 million people
Medical billing company
Ransomware attack exposed protected health data on 1.3 million people; data leaked to dark web
Data security incident affecting personal information, $40M settlement reached
Data security incident affecting personal information, $40M settlement reached