500,000 hotel guest records exposed including personal information from major hotel chains
500,000 hotel guest records exposed including personal information from major hotel chains
2025 Data Breaches (574 indexed)
Polish Energy Plant
Heat-and-power plant facility breached via private APN, supplying heat to ~50,000 residents
Marquis
Ransomware attack exposed names, addresses, card numbers and sensitive data from 672K individuals
Levi Strauss
Hackers gained access to three company-issued computers using social engineering, stole corporate data
Valve
European logistics partner data breach exposed Steam hardware customer data; hackers stole personal information
Amgen
Hackers accessed cloud environment stealing patient health information and proprietary intellectual property data
SimonMed Imaging
Healthcare data breach from cyberattack exposing 1.27 million patient records
Conduent Business Services
Data breach affected more than 62.2 million individuals
Suno
Customer records exposed; training data breach revealed how AI music company trains models
Network breach
Network breach exposed sensitive healthcare billing data affecting 1.26 million people
Otelier (Hotel Management Platform)
Breach exposed personal data on half a million hotel guests from major hotel chains
200 accounts compromised, possibly through SharePoint vulnerabilities in on-premises
200 accounts compromised, possibly through SharePoint vulnerabilities in on-premises Microsoft servers
Otelier
Breach exposing data on half a million hotel guests from major hotel chains
Conduent Business Services
62.2 million records breached, third-largest US healthcare hack ever
Multiple water utilities
Cyberattacks on operational technology across at least 12 states, allegedly linked to Iran
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
Conduent Business Services
62.2 million individuals affected in ransomware breach of government contractor
Coldcard
Hardware wallet data breach; over $100M worth of bitcoin theft linked to cyberattack
PowerSchool Holdings Inc.
Student and teacher data breached in education software provider incident
Quantum Health
Healthcare advocacy vendor breach exposed employees' social security numbers via vendor data compromise
North Carolina Ports
Cybersecurity incident forced shift to manual operations during system restoration
200 accounts compromised through suspected SharePoint vulnerabilities in on-premises
200 accounts compromised through suspected SharePoint vulnerabilities in on-premises Microsoft servers