Update — Hacker Claims to Have Hacked the FBI, But It Wasn't

Update: A hacker yesterday claimed to have hacked the FBI's website running on Plone CMS, but it seems it wasn't hacked using any zero-day vulnerability in Plone. We contacted Plone security team and updated this story (see below) with official statements.

A hacker, using Twitter handle CyberZeist, has claimed to have hacked the FBI's website (fbi.gov) and leaked personal account information