Iran-Linked MuddyWater Hackers Target U.S. Networks With New Dindoor Backdoor

Mar 6, 2026

New research from Broadcom’s Symantec and Carbon Black Threat Hunter Team has discovered evidence of an Iranian hacking group embedding itself in several U.S. companies’ networks, including banks, airports, non-profit, and the Israeli arm of a software company.
The activity has been attributed to a state-sponsored hacking group called MuddyWater (aka Seedworm). It’s affiliated with the Iranian

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