Records in corporate targets sectors
742 records
669 incidents · 73 responses
Unknown
#N/AUS2 countries
·Corporate Targets +1
Unknown Perpetrators Used Voice Phishing to Breach Home Healthcare Provider LHC Group in United States Between 7 and 15 April 2026
7 Apr 2026
Incident · Unattributed
7 Apr 2026
Unknown
#N/AUS2 countries
·Corporate Targets +1
Unknown Perpetrators Used Voice Phishing to Breach Home Healthcare Provider LHC Group in United States Between 7 and 15 April 2026
GBUnited Kingdom’s National Cyber Security Centre
APT28 (Russian Federation)
UK National Cyber Security Centre Issued Technical Advisory Concerning APT28 Router DNS Hijacking Campaign, 7 April 2026
Technical disclosure
7 Apr 2026
Technical disclosure
7 Apr 2026
GBUnited Kingdom’s National Cyber Security Centre
APT28 (Russian Federation)
UK National Cyber Security Centre Issued Technical Advisory Concerning APT28 Router DNS Hijacking Campaign, 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
Germany
·Health +1
Unknown Threat Actor Stole Tens of Thousands of Sensitive Patient Data from Service Provider in Germany in Mid-April 2026
1 Apr 2026
Incident · Unattributed
1 Apr 2026
Unknown
Germany
·Health +1
Unknown Threat Actor Stole Tens of Thousands of Sensitive Patient Data from Service Provider in Germany in Mid-April 2026
UNC1549
JOGBPKBH+1317 countries
·Unknown +5
Iran-Nexus Threat Actor Mirage Kitten Used Spear-Phishing to Breach Critical Infrastructure In The Middle East, Africa, and Europe From April 2026
1 Apr 2026
Incident · Low severity
1 Apr 2026
UNC1549
JOGBPKBH+1317 countries
·Unknown +5
Iran-Nexus Threat Actor Mirage Kitten Used Spear-Phishing to Breach Critical Infrastructure In The Middle East, Africa, and Europe From April 2026