Anonymous claimed it had stolen andleaked over 2,000 usernames and passwords for Hill staffers in an anti-PRISM protest. The Twitter handle @OpLastResort which claims to be affiliated with the famous hacktivist group posted the data and also tweeted: “We mean it. This is a pivotal moment for America, and we will not tolerate failure” But the security advisory that was sent out to staffers said, “Many disclosed accounts are long expired. We have confirmed that the posted credentials are not accurate”
Source: https://thehackernews.com/2013/07/leaked-credentials-of-congress-members.html