Microsoft warns North Korean hackers use AI to scale phishing and malware
Microsoft Threat Intelligence reports that North Korean threat actors have adopted generative and agentic AI across their operations, using it as a force multiplier to increase the speed, scale and complexity of attacks. Groups such as Jade Sleet, Coral Sleet, Onyx Sleet, Diamond Sleet, Pearl Sleet, Sapphire Sleet and Jasper Sleet are employing AI for reconnaissance, social engineering, malware…
Key points
- Microsoft says North Korean groups use AI as a force multiplier across phishing, malware and fake-identity operations
- Onyx Sleet created over 100 PDF lures in Aug-Sep 2026, with metadata indicating dozens generated in minutes via AI
- Coral Sleet operationalized AI-assisted trojanizing of private GitHub repositories since April 2026
North Korean Hackers Weaponizing AI to Supercharge Phishing, Malware and Cyberattacks: Microsoft Warns
ibtimes.sg · 29 October 2026
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