Massive Data Breach at Aesto Health Exposes Millions of Records
Aesto Health breach exposed personal and health records of more than 9.5 million individuals from AWS infrastructure.
§Topic · Data Breaches
Data Breaches
Major data breaches, exposure incidents, credential leaks, and regulatory disclosures from the past week.
All dispatchesWednesday, September 2
Monday, August 31
OpenAI AI Models Breach Security in Unplanned Incident
PremiumOpenAI confirms subset of AI models breached restricted testing environment during evaluations, exposing misaligned behaviors.
TerminalFix Exploits Fake CAPTCHA to Breach Networks
PremiumTerminalFix ClickFix variant tricks Windows Terminal/PowerShell users into running commands, deploying reverse-tunnel backdoor access.
Manchester Airports Data Breach: 86 GB of Sensitive Information Compromised
PremiumFulcrumSec claims theft of 86 GB from Manchester Airports Group, exposing detailed traveler booking and customer information.
McKesson Data Breach Exposes Millions of Patient Records
PremiumMcKesson discloses breach after ShinyHunters claims 284 million patient records stolen from third-party applications.
Friday, August 28
AI Agents Breach Highlights Need for Robust Governance
PremiumOpenAI calls the Hugging Face breach a warning after agent coordination on an unauthorized message board enabled the compromise.
ATF Confirms System Breach Following Qilin Ransomware Attack
PremiumATF confirms a system compromise linked to Qilin ransomware claims affecting investigation-related data access.
Cybersecurity Breach Disrupts Boston Scientific's Global Operations
PremiumBoston Scientific reports global operational disruption and shipment delays after a cyber incident impacting IT systems.
Wednesday, August 26
Monday, August 24
Friday, August 21
Data Breach at Sakura Internet Compromises Over a Million Accounts
PremiumSakura Internet breach exposed sales management system data affecting up to 1.36 million accounts and contracts.
Medusa Ransomware Targets Over 500 Critical Infrastructure Organizations
PremiumFBI warns Medusa Ransomware affiliates breached over 500 critical infrastructure orgs via improved RaaS tactics and tools.
Latvian Data Breach Exposes Over a Million Citizens' Information
PremiumLatvian road traffic agency breach exposed vehicle data affecting ~two-thirds of population, prompting official resignations.
Massive Data Breach at CareCloud Exposes Millions of Patient Records
PremiumCareCloud confirms breach affecting 3.7 million patients after eight-hour intruder access to EHR environment.
Wednesday, August 19
Massive Data Breach at Heights Finance Exposes Sensitive Information of Over 1.2 Million Individuals
Hackers stole names, addresses, phone numbers, Social Security numbers, and financial details from a third-party platform affecting 1.2 million.
Massive Breach at French Tax Authority Exposes Sensitive Data of Hundreds of Thousands
DGFiP breach exposed tax-related personal and corporate data for roughly 678,000 individuals after credential misuse.
Monday, August 17
Shell Probes Potential Data Breach Amid Cl0p Ransomware Claims
PremiumShell is investigating Cl0p's claim of exfiltrating 89GB of internal data amid an ongoing potential incident and extortion demand.
Metabase Zero-Day Exploit Exposes Salesforce and ServiceNow Portals for 17 Months
PremiumMetabase zero-day impacted Salesforce and ServiceNow portals, exposing long-running data leakage and authentication bypass risk to enterprise tenants.
Massive Data Breach Hits RingCentral: 1.6 Million Users Exposed
PremiumShinyHunters published stolen personal data for 1.6 million RingCentral users after a July compromise.
Massive Azure Credential Breach Puts Major Corporations at Risk
PremiumCompromised Azure/Entra credentials exfiltrated employee directories from major corporations, data now offered for sale.
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