Browsing Tag
Microsoft Teams
25 posts
Fake Calendar Invites Target 40,000 Firms in Microsoft Credential Theft
More than 40,000 organisations have received fake calendar invitations designed to steal Microsoft account credentials, according to new…
October 19, 2026
MS Teams Phishing, ClickFix and Shai-Hulud npm Attacks Dominate Threat Report
Ontinue’s 1H 2026 threat report shows attackers increasingly abusing Microsoft Teams, npm packages, device-code logins and blockchain ClickFix…
October 13, 2026
‘Spring Ring’ Vishing Attack Uses Fake IT Calls on Microsoft Teams to Install Malware
A new Teams vishing campaign called Spring Ring used fake IT support calls to trick employees into installing remote-access tools (RAT) and malware.
September 3, 2026
New TWINLOOT Malware Steals Windows Passwords Via Fake Lock Screen
New TWINLOOT malware hides command traffic inside SharePoint, Teams and Edge while stealing Windows passwords through a convincing fake lock screen.
August 18, 2026
Fake IT Calls on Microsoft Teams Lead to GoGRPC Backdoor Infections
Fake helpdesk callers use Microsoft Teams and Quick Assist to access employee computers, where attackers install new GoGRPC backdoor in suspected ransomware operations
July 28, 2026
DragonForce Ransomware Abused Microsoft Teams to Hide Malware Activity
DragonForce ransomware abused Microsoft Teams relay systems to hide a custom backdoor, steal files and encrypt systems at a US services firm.
June 18, 2026
UNC1069 Targets Node.js Maintainers via Fake LinkedIn, Slack Profiles
North Korean group UNC1069 targets Node.js maintainers using fake LinkedIn and Slack profiles to spread malware and compromise open source packages.
April 4, 2026
Fake Zoom, Teams Meeting Invites Use Compromised Certificates to Drop Malware
A new phishing campaign is using stolen certificates from TrustConnect Software PTY LTD to sign malware. By impersonating updates for Zoom and Microsoft Teams, hackers install RMM tools to gain persistent, privileged access to networks
March 4, 2026
Fake Microsoft Teams Billing Phishing Alerts Reach 6,135 Users via 12,866 Emails
Scammers are abusing Microsoft Teams invitations to send fake billing notices, with 12,866 emails reaching around 6,135 users in a phone-based phishing campaign.
January 26, 2026
Fake Microsoft Teams and Google Meet Downloads Spread Oyster Backdoor
The Oyster backdoor (also known as Broomstick) is targeting the financial world, using malicious search ads for PuTTY, Teams, and Google Meet.
December 13, 2025