The nonprofit that oversees Wikipedia briefly enforced a 'read-only' mode on Thursday morning as users spotted code designed to delete articles and place Russian text in the edit summary.

The Wikimedia Foundation suffered a security incident today after a self-propagating JavaScript worm began vandalizing pages ...

The Wikimedia Foundation, which runs Wikipedia and a number of other wiki-based projects, announced this morning that it’s now implementing HTTPS by default across all its sites in order to encrypt ...

The Wikimedia Foundation, the non-profit parent organization of Wikipedia, just officially launched its twelfth official project: Wikivoyage. The new site, which was already in beta for a while and ...

Today the Wikimedia Foundation, the non-profit organization that supports Wikipedia and its sister projects, is filing suit against the National Security Agency and the Department of Justice of the ...