UNC4899 Breached Crypto Firm After Developer AirDropped Trojanized File to Work Device

The North Korean threat actor known as UNC4899 is suspected to be behind a sophisticated cloud compromise campaign targeting a cryptocurrency organization in 2025 to steal millions of dollars in cryptocurrency.
The activity has been attributed with moderate confidence to the state-sponsored adversary, which is also tracked under the cryptonyms Jade Sleet, PUKCHONG, Slow Pisces, and