Latest cybersecurity reporting from selected sources.

A U.S. government agency paid $1M to Kairos, a group focused on data theft and extortion rather than ransomware, Ransom-ISAC reports. A new case study from Ransom-ISAC reconstructs a complete data-extortion incident involving a U.S. government body and a threat actor called Kairos, using a leaked negotiation transcript and blockchain tracing of the ransom payment. […]

Cryptocurrency exchange Bybit on Friday revealed that a "sophisticated" attack led to the theft of over $1.46 billion worth of cryptocurrency from one of its Ethereum cold (offline) wallets, making it the largest ever single crypto heist in history

Crypto exchange Kraken revealed that an unnamed security researcher exploited an "extremely critical" zero-day flaw in its platform to steal $3 million in digital assets and refused to return them

Meanwhile South Korea's Do Kwon is sought for fraud by US authorities Norwegian authorities announced on Thursday that they had recovered $5.9 million of cryptocurrency stolen in the Axie Infinity hack – an incident widely held to have been perpetrated by the Lazarus Group, which has links to North Korea.…

In what's the latest crypto heist to target the decentralized finance (DeFi) space, hackers have stolen digital assets worth around $160 million from crypto trading firm Wintermute