Cyber attacks
How North Korea perfected the crypto heist
The world's biggest crypto heist is the latest feat by North Korean hackers who have spent years perfecting an arsenal of financial theft, social engineering and sophisticated cyberattacks.Why it matters: The suspected North Korean hackers behind the $6.3 billion Binance theft appear to have combined familiar hacking tactics with extraordinary speed and automation — raising fresh questions about how AI could supercharge their already sophisticated operations.Driving the news: Binance said late Thursday that its blockchain partners have frozen at least $3 billion of those $6.3 billion assets on