GMO Internet says it will not pay hackers $50 million after server breach

Group CEO Masatoshi Kumagai wrote on Oct. 26 that GMO Internet spurned a $50 million demand from hackers who broke into its Onamae.com Desktop Cloud service. As many as 26,739 servers may be affected and some customers said they saw unauthorized trades made through their brokerage accounts. Up to 26,739 Onamae.com servers may be affected Onamae.com Desktop Cloud runs brokerage software like MetaTrader 4 and MetaTrader 5 on customer servers. GMO said an attacker exploited a security flaw, planted malware in some customer environments and took customer data. The issue was first reported by a customer question on October 19. The following day, malware was detected and GMO began to shut down all plans from 19:00 UTC on October 20.

BeCrypto News shows a short excerpt and links to the publisher. The full report belongs to Cryptopolitan.