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#Microsoft Teams

13 stories taggedMicrosoft Teams.

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Identity & Access

Criminals Pose as IT Support Inside Microsoft Teams to Take Over Company Networks

A hacking campaign called Spring Ring tricked more than 150 employees at ten-plus companies into handing over remote control of their computers, all through a fake Teams call from a fake help desk.

4 min read
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Identity & Access

Microsoft Teams gets a new switch that kicks uninvited bots out of meetings

Admins can now auto-block external bots from joining Teams calls, closing a quiet side door that attackers have been probing.

4 min read
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Threat Intelligence

SynkLoader: The Fake IT Help Desk Trick Hiding Behind a Phony Windows Lock Screen

Attackers posing as internal IT are pushing a new modular malware through Microsoft Teams, complete with a convincing fake login prompt built to steal Windows passwords.

4 min read
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Threat Intelligence

TWINLOOT Malware Hides Inside Microsoft's Own Cloud to Steal Passwords

A newly discovered piece of malicious software uses Microsoft SharePoint, Teams, and Edge to run its operation, making it nearly invisible to the tools most companies rely on.

4 min read
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Vulnerabilities

Microsoft and Apple Rush Out Patches for Flaws That Let Attackers In Without a Password

Several of the Microsoft bugs score a perfect 10 out of 10 for severity. Apple quietly fixed a flaw that lets someone access your screen without logging in.

3 min read
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Ransomware

Fake IT support calls on Microsoft Teams are ending in ransomware within a day

A gang tracked as STAC4749 is phoning staff on Teams, pretending to be helpdesk, and locking company files with Chaos ransomware in under 17 hours.

4 min read
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Threat Intelligence

Fake Microsoft Teams Update Pushes Remote-Control Tools onto Victims' PCs

A phishing run tracked as Operation BlueDash uses a bogus 'secure document' lure and a counterfeit Microsoft Store page to install legitimate remote-access software on target machines.

4 min read
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Threat Intelligence

North Korean Hackers Run Fake Zoom and Teams Sites to Rob Crypto Wallets

BlueNoroff's phishing kit screens visitors' crypto wallets before deciding who gets the malware, researchers say.

4 min read
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Threat Intelligence

After Tycoon2FA Was Shut Down, Phishing Criminals Went Looking for New Tricks

Microsoft's Q2 2026 email threat report shows that busting a major phishing-for-hire service slashed attack volume by 92%, but criminals quickly pivoted to Microsoft Teams chats and automated email campaigns that hit tens of thousands of organisations in hours.

4 min read
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Cloud Security

Microsoft 365 hit by outage knocking out Teams, SharePoint and Excel

Downdetector logged more than 2,400 user reports as Microsoft opened incident MO1437424 and began investigating.

3 min read
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Threat Intelligence

Fake IT Helpdesk Calls on Microsoft Teams Are Planting EtherRAT on Company PCs

Attackers pose as internal support staff over Teams voice calls, then walk employees through installing remote-access tools that drop a Node.js trojan.

4 min read
Policy & Regulation

Microsoft Tightens Teams Meeting Controls for External AI Bots

A new admin policy requires organizer approval before automated external participants can join Teams meetings — a quiet but consequential shift in how enterprises govern AI access to sensitive calls.

2 min read
Ransomware

DragonForce Crew Tunnels RAT Traffic Through Microsoft Teams Relays

A Go-based backdoor dubbed Backdoor.Turn piggybacks on Teams' own relay infrastructure to hide C2 calls inside a U.S. services firm's network.

3 min read
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