Records
5417 records
4826 incidents · 591 responses
USCybersecurity and Infrastructure Security Agency
CyberAv3ngers
US Federal Agencies Issued Joint Advisory on Iranian-Affiliated Cyber Actors "CyberAv3ngers" Exploiting US Critical Infrastructure on 7 April 2026
Technical disclosure
7 Apr 2026
Technical disclosure
7 Apr 2026
USCybersecurity and Infrastructure Security Agency
CyberAv3ngers
US Federal Agencies Issued Joint Advisory on Iranian-Affiliated Cyber Actors "CyberAv3ngers" Exploiting US Critical Infrastructure on 7 April 2026
USUnited States Department of Justice
APT28 (Russian Federation)
US Department of Justice and FBI Neutralize DNS Hijacking Network Controlled by Russian APT28 Hackers ("Operation Masquerade") on 7 April 2026
Operational action
7 Apr 2026
Operational action
7 Apr 2026
USUnited States Department of Justice
APT28 (Russian Federation)
US Department of Justice and FBI Neutralize DNS Hijacking Network Controlled by Russian APT28 Hackers ("Operation Masquerade") on 7 April 2026
CAUSFICZ+1317 statescoordinated
GRU (Russian Federation)
International Partners Issued Public Service Announcement Concerning Russian GRU (APT28) Exploits Vulnerable Routers for DNS Hijacking; , 7 April 2026
Official policy
7 Apr 2026
Official policy
7 Apr 2026
CAUSFICZ+1317 states
GRU (Russian Federation)
International Partners Issued Public Service Announcement Concerning Russian GRU (APT28) Exploits Vulnerable Routers for DNS Hijacking; , 7 April 2026
Unknown
United States
·Health
Unidentified Perpetrators Targeted Signature Healthcare in Massachusetts, US on 6 April 2026
6 Apr 2026
Incident · Unattributed
6 Apr 2026
Unknown
United States
·Health
Unidentified Perpetrators Targeted Signature Healthcare in Massachusetts, US on 6 April 2026
Unknown
United States
·Civil service / administration
Unknown Threat Actors Disrupted Winona County Systems In United States On 6 April 2026
6 Apr 2026
Incident · Unattributed
6 Apr 2026
Unknown
United States
·Civil service / administration
Unknown Threat Actors Disrupted Winona County Systems In United States On 6 April 2026
Blackwater
United States
·Health
Ransomware Group Blackwater Breached Minidoka Memorial Hospital in United States on 5 April 2026
5 Apr 2026
Incident · Moderate severity
5 Apr 2026
Blackwater
United States
·Health
Ransomware Group Blackwater Breached Minidoka Memorial Hospital in United States on 5 April 2026