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Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

Ravie LakshmananJul 28, 2026Malware / Cyber Espionage The Iranian state-backed hacking group tracked as Nimbus Manticore (aka GalaxyGato, Mirage Kitten, Smoke Sandstorm, Subtle Snail, and UNC1549) has been attributed to a fresh set of attacks… 

Critical TeamCity Flaw Could Let Attackers Run OS Commands Without Logging In

Critical TeamCity Flaw Could Let Attackers Run OS Commands Without Logging In

Ravie LakshmananJul 28, 2026Vulnerability / Enterprise Security JetBrains is urging customers of on-premise versions of TeamCity to update to the latest version following the discovery of a critical security issue that could result in arbitrary… 

Microsoft Says New Cybersecurity AI Model Helps MDASH Hit 95.95% at Half the Cost

Microsoft Says New Cybersecurity AI Model Helps MDASH Hit 95.95% at Half the Cost

Swati KhandelwalJul 28, 2026AI Security / Vulnerability Management Microsoft has launched its first cybersecurity-specific model inside MDASH, its multi-model vulnerability identification and remediation harness. The company says MDASH, using MAI-Cyber-1-Flash and GPT-5.4, scored 95.95% on…