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North Korean Hackers Breach 1,640 Firms in 57 Countries

8/6/2026

Summary

Story summary

North Korean hackers breached 1,640 firms in 57 countries, with 700-800 severe intrusions, says Vangelis Stykas.
Stykas, Kumio CTO, spent 22 months inside the networks, accessing command-and-control servers and the hackers' Slack and Discord.
He examined about 5 TB of data, identified developer keys, and disclosed the incidents to the victims.
At Black Hat, Stykas listed compromised firms such as Boston Children’s Hospital, AEON Smart Technology, Oppo, Coinbase and Uniswap Labs.

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Story summary

North Korean hackers breached 1,640 firms in 57 countries, with 700-800 severe intrusions, says Vangelis Stykas.
Stykas, Kumio CTO, spent 22 months inside the networks, accessing command-and-control servers and the hackers' Slack and Discord.
He examined about 5 TB of data, identified developer keys, and disclosed the incidents to the victims.
At Black Hat, Stykas listed compromised firms such as Boston Children’s Hospital, AEON Smart Technology, Oppo, Coinbase and Uniswap Labs.