Large banks have been under cyber attack lately, and JPMorgan Chase & Co. seems to be the latest victim. In this particular incident, the attackers used a technique know as denial-of-service (DoS), which is designed to overwhelm a server or group of servers with meaningless traffic, so legitimate functions cannot be performed.
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A wave of bank cyber attacks has resumed, with many JPMorgan Chase & Co. customers unable to access their Internet banking accounts.
Chase’s online systems, under attack all day Tuesday, were still not completely operational by evening. “We’re working to get things back to full speed,” bank spokesman Michael Fusco said.
No customer data had been compromised, and the bank’s mobile, telephone and ATM networks were functioning properly, he said.