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MuddyWater hackers use Chaos ransomware as a decoy in attacks

BACKGROUND
1 SIGNALFIRST DETECTED 6 May 2026
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How the story developed
6 May
7.1
Other feeds and industry voices
6 May
MuddyWater Uses Microsoft Teams to Steal Credentials in False Flag Ransomware Attack

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been

REPORT · HOW · The Hacker NewsOPEN STORY
30 Jul
Microsoft Teams vishing attacks lead to Chaos ransomware attacks

Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North

REPORT · WHAT · BleepingComputerOPEN STORY
Sources
BleepingComputer

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