🔓 Bitcoin hacks – Sunday, 20 September 2026 **Haruko breach exposes trading data** Crypto infrastructure provider Haruko disclosed a targeted attack that stole a user-access token and exposed read-only exchange API keys and trading data for 15 clients, including hedge funds; the company says a small amount of client funds was stolen. Haruko patched the flaw and rotated server-side secrets. https://www.coindesk.com/business/2026/09/18/crypto-tech-provider-haruko-hit-by-cyberattack-affecting-15-clients-some-funds-lost Previously: