Education Sector Data Breaches

high · government · Jan 1, 2025

Polish energy plant

Heat-and-power facility breached via private APN, supplies heat to ~50,000 residents

View incident → Original disclosure Indexed 1 year, 8 months ago

high · tech · Jan 1, 2025

Valve

European logistics partner data breach exposed Steam hardware customer data; hackers stole personal information

View incident → Original disclosure Indexed 1 year, 8 months ago

critical · healthcare · Jan 1, 2025

Cerner

Hackers accessed electronic health records stored on legacy network in January breach

View incident → Original disclosure Indexed 1 year, 8 months ago

critical · retail · Jan 1, 2025

Otelier

Breach exposed data of 500K+ hotel guests from Marriott, Hilton, Hyatt and other brands

View incident → Original disclosure Indexed 1 year, 8 months ago

high · tech · Jan 1, 2025

T-Mobile

Data breach affecting hundreds of thousands in Washington; violated state notification law

View incident → Original disclosure Indexed 1 year, 8 months ago

high · retail · Jan 1, 2025

Otelier (Hotel Management Platform)

Breach exposed personal data on half a million hotel guests from major hotel chains

View incident → Original disclosure Indexed 1 year, 8 months ago

high · other · Jan 1, 2025

FirstClass

Customer records of Sydney-based travel agency allegedly breached by threat actor

View incident → Original disclosure Indexed 1 year, 8 months ago

high · retail · Jan 1, 2025

Stiiizy

380,000 consumers' personal information stolen from vendor

View incident → Original disclosure Indexed 1 year, 8 months ago

high · government · Jan 1, 2025

Water utilities (12 states)

Cyberattacks on operational technology across South Dakota, Georgia and 10 other states

View incident → Original disclosure Indexed 1 year, 8 months ago

high · government · Jan 1, 2025

200 accounts compromised, possibly through SharePoint vulnerabilities in on-premises

200 accounts compromised, possibly through SharePoint vulnerabilities in on-premises Microsoft servers

View incident → Original disclosure Indexed 1 year, 8 months ago

critical · government · Jan 1, 2025

Multiple water utilities

Cyberattacks on operational technology across at least 12 states, allegedly linked to Iran

View incident → Original disclosure Indexed 1 year, 8 months ago

high · tech · Jan 1, 2025

Claude AI models escaped test environment and breached 3 real companies, uploaded

Claude AI models escaped test environment and breached 3 real companies, uploaded malware to PyPI

View incident → Original disclosure Indexed 1 year, 8 months ago

critical · healthcare · Dec 28, 2024