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 and modifying user scripts across multiple wikis.

A strange bug is affecting YouTube mobile app users, causing banner ads to stick permanently over the fullscreen videos.

For example, back in January, YouTube users encountered a new 'content isn't available' error, which was later found to be ...