A cyber-attack against JPMorgan Chase and 9 other financial institutions that compromised over 83 million accounts is disclosed. The attack is considered one of the largest data breaches in history.[https:--www.reuters.com-article-2014-10-03-us-jpmorgan-cybersecurity-idUSKCN0HR23T20141003 (Reuters)] url=https:--web.archive.org-web-20141005115845-http:--www.reuters.com-article-2014-10-03-us-jpmorgan-cybersecurity-idUSKCN0HR23T20141003