Microsoft Teams Relay Abused by Hackers to Hide Malicious Traffic

Microsoft Teams’ trusted infrastructure has been exploited by threat actors to secretly route malicious traffic, leading to a highly stealthy ransomware campaign attributed to the DragonForce group. Security researchers have discovered a novel technique in which attackers exploit Microsoft Teams’ TURN (Traversal Using Relays around NAT) servers to conceal command-and-control (C2) communications, making malicious activity […]

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