February 21, 2026 marks the first anniversary of the largest confirmed cryptocurrency theft in history (on the ByBit digital currency platform).

Amazon is warning that a Russian-speaking hacker used multiple generative AI services as part of a campaign that breached more than 600 FortiGate firewalls across 55 countries in five weeks.

Claude Opus 4.6 linked to a $1.78M DeFi hack after cbETH mispricing. Auditor Pashov and SlowMist cite oracle formula vulnerability concerns.

Google Cloud’s Mandiant has identified a new North Korea-linked malware campaign targeting crypto companies, developers, and ...

The Bithumb incident did not alter Bitcoin’s supply or blockchain activity, but it showed how easily exchange-side accounting ...

The layer-1 network, Flow, scrapped plans to roll back its blockchain following a $3.9 million exploit, reversing course after pushback from ecosystem partners who warned that rewriting chain history ...

The Flow blockchain is set to resume operations following a key decision by its validators to revert the network’s transaction ledger to a state before a major security breach late Friday, which ...

Flow Blockchain faces backlash after a $3.9M hack, as partners question a proposed rollback and its risks to users and trust ahead. Flow Blockchain entered a recovery phase after a $3.9 million ...

Ecosystem partners call for a hard fork instead of a full ledger rollback, warning that reversing the blockchain could unfairly affect honest users. Flow’s plan to reverse part of its blockchain ...

Trust Wallet confirmed that a compromised Chrome extension update released on December 24 led to $7 million in stolen cryptocurrency after users reported their wallets drained. "So far, $7m affected ...

Blockchain infrastructure company Illusory Systems Inc. will return money to customers affected by a 2022 hack in which cyber criminals stole $186 million in a settlement with the Federal Trade ...