February 18, 2020 IOTA shuts down network temporarily to fight wallet hacker Popular cryptocurrency IOTA has temporarily shut down its entire network after a hacker stole funds from ten of its highest-value users. Naked Security
June 10, 2019 Cryptocurrency attack thwarted by npm team Cryptocurrency users narrowly escaped losing all their funds last week after an attacker poisoned a digital wallet with malicious code that stole their blockchain access details. Naked Security
January 15, 2019 Blockchain burglar returns some of $1m crypto-swag In an interesting move for villainy, a thief who stole over $1 million from the Ethereum Classic blockchain has given some of it back. Naked Security