US and Allies Dismantle Four Massive IoT Botnets

The US Justice Department with Canadian and German partners dismantled four IoT botnets controlling more than three million devices. Those botnets—Aisuru, Kimwolf, JackSkid and Mossad—were used to launch record-size DDoS attacks and to extort victims, including strikes against Defense Department addresses. Law enforcement seized command-and-control infrastructure; investigations continue and no US arrests were announced.

Part of the PlainSec briefing for 2026-03-22

Sources

• Krebs on Security – In
• BleepingComputer
• SecurityWeek
• Help Net Security
• Cybersecurity Dive
• The Hacker News
• CyberScoop
• The Record from Recorded Future