# Microsoft Teams users beware — relays hit by ransomware hackers looking to hide malicious traffic

> Symantec confirms DragonForce ransomware operators used Microsoft Teams TURN relays for covert C2 traffic Custom Go‑based RAT “Backdoor.

- **Source:** [TechRadar](https://www.techradar.com/pro/security/microsoft-teams-users-beware-relays-hit-by-ransomware-hackers-looking-to-hide-malicious-traffic?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a34307d6bc145d7a8b8f2d1)
- **Published:** 2026-06-18
- **Category:** Computers & IT
- **Tags:** #microsoft
- **Canonical:** http://localhost:4321/a/6a34307d6bc145d7a8b8f2d1

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_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._