Hackers blackmail Greek banks demanding bitcoin ransom At least three Greek banks have been hit by cyber-attacks from a group of hackers demanding a bitcoin ransom. The group called Armada Collective threatened to disrupt the banks’ electronic transactions unless each paid a 20,000 bitcoin ($7 million) ransom.
The Armada Collective attacked the systems of three Greek banks (including the central bank) which interrupted transactions for a few minutes followed by the ransom demand.
"No bank responded to this extortion, so the same hackers tried again at the weekend and today," a police official was cited as saying on Monday by the Financial Times. "But we had strengthened our defense in the meantime, so no disruptions took place."
https://www.rt.com/business/324107-greece-banks-hackers-bitcoin/
