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Microsoft Teams Abuse, The Gentlemen Ransomware, and PhaaS Trends
Analysis of social engineering campaigns via Microsoft Teams, The Gentlemen ransomware operations, and emerging phishing-as-a-service kits.
Spring Ring Voice Phishing Targets Microsoft Teams Users
Spring Ring is an ongoing vishing campaign leveraging external Microsoft Teams accounts to impersonate IT support for payload delivery and NTLM relay attacks.
SynkLoader Malware Steals Credentials in Microsoft Teams Phishing
New SynkLoader malware distributed via Microsoft Teams phishing campaigns uses a fake lock screen to steal Windows credentials, enabling corporate network access.
EtherRAT Malware via Microsoft Teams IT Support Impersonation
Threat actors leverage fake IT support calls on Microsoft Teams to deploy EtherRAT malware, gaining initial access to corporate networks.
Microsoft Teams: New Controls for AI Bot Meeting Access
Microsoft Teams introduces new admin policies requiring organizer approval for external AI bots, enhancing control over automated participants in sensitive meetings.
Microsoft Teams Enhances Meeting Security with New Bot Protection Policy
Microsoft introduces a new admin policy for Teams meetings, preventing unapproved third-party bots from joining, mitigating meeting bombing incidents.
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KongTuke Exploits Microsoft Teams for Rapid Corporate Breaches
Initial access broker KongTuke leverages Microsoft Teams to deploy DarkGate malware, achieving network persistence in under five minutes via social engineering.
MuddyWater Exploits Microsoft Teams via Chaos Ransomware Decoy
Iranian APT MuddyWater utilizes Microsoft Teams social engineering and Chaos ransomware decoys to mask state-sponsored espionage operations.
MuddyWater Exploits Microsoft Teams for False Flag Ransomware
Iranian APT MuddyWater is leveraging Microsoft Teams social engineering to deploy false flag ransomware, obscuring state-sponsored espionage activities.
Microsoft Teams Free Backend Change Disrupts Chat and Calling
Microsoft confirms a backend configuration change has broken core functionality for Microsoft Teams Free users, impacting global business communication.
UNC6692 Leverages Teams, AWS S3 for Malware & Cloud Abuse
Newly discovered threat actor UNC6692 combines social engineering via Microsoft Teams with custom 'Snow' malware and AWS S3 cloud abuse in multi-pronged attacks.
UNC6692 Targets Microsoft Teams to Deploy Snow Malware
UNC6692 is leveraging Microsoft Teams and social engineering to deliver the modular Snow malware suite, facilitating long-term persistence and data theft.
UNC6692 Social Engineering: Deploying the SNOW Custom Malware Suite
UNC6692 leverages Microsoft Teams and S3-hosted payloads to deploy the SNOW modular malware ecosystem, targeting enterprise Windows environments.
UNC6692 Impersonates IT Helpdesk to Deploy SNOW Malware via Teams
UNC6692 threat actors are impersonating IT helpdesk staff via Microsoft Teams to deliver custom SNOW malware, highlighting risks in SaaS messaging apps.
Microsoft Teams Efficiency Mode: Optimizing Resource Usage for PCs
Microsoft introduces Efficiency Mode for Teams to reduce CPU and memory consumption on resource-constrained devices, improving overall system responsiveness.
Microsoft Teams Abused in Helpdesk Impersonation Attacks: TTPs & Mitigations
Microsoft warns of helpdesk impersonation attacks via Teams external collaboration.
Edge Update Breaks Microsoft Teams Right-Click Paste Functionality
A recent Microsoft Edge browser update has disabled the right-click paste feature in the Microsoft Teams desktop client, impacting global user productivity.
KB5085516 Emergency Update: Fix for Microsoft Account Sign-in Failures
Microsoft releases emergency KB5085516 update to resolve widespread authentication failures affecting OneDrive, Teams, and other cloud-integrated services.
KB5079473 Update Breaks Microsoft Account Sign-ins on Windows 11
Microsoft confirms the KB5079473 March update for Windows 11 disrupts sign-ins for Teams and OneDrive. Technical analysis and remediation for affected systems.
Microsoft Teams Phishing Deploys A0Backdoor via Quick Assist
Attackers are targeting healthcare and finance employees with Microsoft Teams phishing to deploy A0Backdoor using the native Windows Quick Assist tool.
Microsoft Teams Third-Party Bot Tagging Enhances Meeting Security
Microsoft Teams updates meeting lobbies to identify third-party bots, helping administrators prevent unauthorized data collection and social engineering.