Code Defender

CISA Red Team Compromised Two Critical Infrastructure Orgs, One Detected Nothing

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published the results of two red team assessments it conducted simultaneously against two critical infrastructure organizations, using what it described as similar tradecraft while recording sharply different defensive outcomes.

Both organizations were fully compromised at the domain level, and in both, the red team also

  • August 27, 2026

Nimbus Manticore Expands Toolset With TWOSTROKE-Like Backdoor and SSH Tunneler

Cybersecurity researchers have discovered additional infrastructure and previously undocumented malware associated with Nimbus Manticore, an Iranian state-sponsored hacking group affiliated with the Islamic Revolutionary Guard Corps (IRGC).

Group-IB, in a new analysis published today, described the cyber espionage actor as among the most active Iranian APT groups in 2026. Nimbus Manticore (aka

  • August 27, 2026