Browsing Tag
Microsoft Teams
14 posts
Microsoft Teams Flaws Allowed Attackers to Fake Identities, Rewrite Chats
Microsoft Teams vulnerabilities let attackers impersonate users, edit chat history, and spoof calls before Microsoft issued security fixes in late 2025.
November 5, 2025
Fake Teams Installers Dropping Oyster Backdoor (aka Broomstick)
Hackers are using fake Microsoft Teams installers found in search results and ads to deploy the Oyster backdoor. Learn how to protect your PC from this remote-access threat.
October 9, 2025
Hackers Hide RMM Installs as Fake Chrome Updates and Teams Invites
New research from Red Canary and Zscaler shows phishing lures now drop RMM tools like ITarian and Atera,…
September 15, 2025
Microsoft Teams Vishing Used to Deploy Malware via TeamViewer
A vishing scam via Microsoft Teams led to attackers misusing TeamViewer to drop malware and stay hidden using simple but effective techniques.
April 1, 2025
Fake IT Support Calls Trick Microsoft Teams Users into Installing Ransomware
Cybercriminals pose as IT support, using fake calls and Microsoft Teams messages to trick users into installing ransomware through email floods and remote access.
March 3, 2025
Black Basta Ransomware Uses MS Teams, Email Bombing to Spread Malware
The Black Basta ransomware group is using advanced social engineering tactics and a multi-stage infection process to target organizations.
December 10, 2024
Hackers Could Exploit Microsoft Teams on macOS to Steal Data
Cisco Talos reveals 8 vulnerabilities in Microsoft’s macOS apps, exploiting TCC framework weaknesses. Hackers can bypass security, inject…
August 20, 2024
Microsoft Teams External Access Abuses to Spread DarkGate Malware
Threat actors are exploiting Microsoft Teams' External Access feature to spread DarkGate malware through chats.
January 30, 2024
Storm-0324 Exploits MS Teams Chats to Facilitate Ransomware Attacks
KEY FINDINGS Microsoft Threat Intelligence Team has published a new report highlighting the activities of a notorious, financially…
September 13, 2023
Microsoft Teams Flaw Sends Malware to Employees’ Inboxes
During their test, researchers from JUMPSEC managed to trick Microsoft Teams’ security mechanism into sending malware to the…
June 26, 2023