The $6.3B Binance Hack: What Happened and What It Teaches Security Teams About Investigation
TL;DR On October 29, 2026, attackers drained about $6.3 billion in crypto assets from Binance’s hot wallets, the largest crypto theft on record. Binance says the incident may have started with a compromised laptop, but its investigation has since found additional points of breach, and the root cause is still being confirmed. For engineering and security teams, the lesson is about how quickly you can reconstruct what happened across many systems once something goes wrong. In this post.