Russia-friendly exchange says "western special service" behind $15 million cyberattack Grinex says needed hacking resources "available exclusively to ... unfriendly states." https://arstechnica.com/security/2026/04/russia-friendly-exchange-says-western-special-service-behind-15-million-cyberattack/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social