negativeSYS.SOURCE: The Hacker News• 2026-11-02T16:38:45+05:30

Malicious Actors Exploit Microsoft Teams and AD CS Vulnerabilities to Compromise Corporate Networks

#microsoft teams #ad cs #data theft #cyber attack #vulnerability

Attackers used social engineering via Microsoft Teams to gain remote access, then exploited misconfigured Active Directory Certificate Services (AD CS) to steal privileged account credentials, leading to data breaches. The incident highlights vulnerabilities in remote support protocols and certificate management.

Attackers posing as IT support on Microsoft Teams talked employees into giving them remote control of their PCs. They then used insecure Active Directory Certificate Services (AD CS) settings to obtain login certificates for privileged accounts, including one for a domain controller.

Microsoft said in a report that it investigated two such intrusions, one of which resulted in company

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> AI AGENT CONDUCTS AUTONOMOUS BRAIN SURGERY ON MOUSE MODEL > LEARJET 60 CRASHES IN SOUTH FLORIDA, ALL 9 ONBOARD KILLED > PUBLIC RELATIONS STRATEGY: 'NEVER COMPLAIN, NEVER EXPLAIN' IN THE BRITISH ROYAL FAMILY > EUROPEAN SUPERMARKET FREEZER SYSTEMS TARGETED IN SUSPECTED CYBER-ATTACK > CYBER-ATTACK DISABLES SUPERMARKET FREEZERS ACROSS MULTIPLE EUROPEAN COUNTRIES > HISTORICAL PERSPECTIVES ON TECHNOLOGICAL PREDICTIONS IN 1984–2004 COMPUTER MAGAZINES > MALICIOUS ACTORS EXPLOIT MICROSOFT TEAMS AND AD CS VULNERABILITIES TO COMPROMISE CORPORATE NETWORKS > FORD'S DATA PRIVACY COMMITMENT AND CUSTOMER DATA USAGE TRANSPARENCY > GOVERNMENT LINUX INFRASTRUCTURE UNDER CYBER ESPIONAGE ATTACK VIA SYSGORAT AND AI-GENERATED SCRIPTS > LINUX SYSTEM CALL DOCUMENTATION AND API UPDATE FOR MULTIPLE ARCHITECTURES> AI AGENT CONDUCTS AUTONOMOUS BRAIN SURGERY ON MOUSE MODEL > LEARJET 60 CRASHES IN SOUTH FLORIDA, ALL 9 ONBOARD KILLED > PUBLIC RELATIONS STRATEGY: 'NEVER COMPLAIN, NEVER EXPLAIN' IN THE BRITISH ROYAL FAMILY > EUROPEAN SUPERMARKET FREEZER SYSTEMS TARGETED IN SUSPECTED CYBER-ATTACK > CYBER-ATTACK DISABLES SUPERMARKET FREEZERS ACROSS MULTIPLE EUROPEAN COUNTRIES > HISTORICAL PERSPECTIVES ON TECHNOLOGICAL PREDICTIONS IN 1984–2004 COMPUTER MAGAZINES > MALICIOUS ACTORS EXPLOIT MICROSOFT TEAMS AND AD CS VULNERABILITIES TO COMPROMISE CORPORATE NETWORKS > FORD'S DATA PRIVACY COMMITMENT AND CUSTOMER DATA USAGE TRANSPARENCY > GOVERNMENT LINUX INFRASTRUCTURE UNDER CYBER ESPIONAGE ATTACK VIA SYSGORAT AND AI-GENERATED SCRIPTS > LINUX SYSTEM CALL DOCUMENTATION AND API UPDATE FOR MULTIPLE ARCHITECTURES