Network intrusion on Homeland Security Information Network supporting World Cup games
Network intrusion on Homeland Security Information Network supporting World Cup games
2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.
Network intrusion on Homeland Security Information Network supporting World Cup games
Network intrusion on Homeland Security Information Network; initially ruled false positive twice
Network intrusion confirmed on Homeland Security Information Network
Patient records stolen in cyberattack affecting 21 clinics, personal info and medical notes exposed
73,932 FortiGate firewall administrative and VPN credentials exposed via credential exposure campaign
Ransomware attack by foreign financially motivated group; systems still being restored
Ransomware attack attributed to foreign financially motivated group
Network intrusion on Homeland Security Information Network confirmed after twice ruled false positive
Ransomware attack attributed to foreign financially motivated group; systems restoration ongoing
Ransomware attack by foreign financially motivated group disrupted forestry operations
Network intrusion on Homeland Security Information Network supporting World Cup infrastructure
Ransomware attack attributed to foreign financially motivated threat group
Network intrusion on Homeland Security Information Network supporting World Cup operations confirmed
Ransomware attack, systems still being restored weeks after incident
Cyberattack exposes personal information of Xfinity customers; $117.5M settlement reached
Ransomware attack disrupted systems operations
Supply chain breach generating majority of 2026 breach notices
Ransomware attack; hackers deleted stolen data after ransom demand; confirmed data deletion
Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability — Microsoft SharePoint Server contains a deserialization of untrusted data vulnerability which allows an authorized attacker to execute code ove
Cyber incident investigated; medical device company disclosed data breach affecting patients
2 million customer records stolen in hacking incident
Network intrusion confirmed on Homeland Security Information Network
Patient health data and intellectual property stolen after hackers accessed cloud environment
Health insurer disclosed data breach; data type and victim count not yet determined