The Tumblr blogging service halts posting for a short period to allow its engineers to clean up a fast-spreading JavaScript virus.

A proof-of-concept multiplatform macro worm that can attack OpenOffice on Windows, Mac and Linux PCs, has been sent to security vendor Sophos.

It also executes the JavaScript virus badbunny.js, which replicates to other files in the folder. On Apple Mac systems, the worm drops one of two Ruby script viruses in files respectively called ...

Anti-virus experts are giving a collective thumbs-down to a proof-of-concept virus targeting OpenOffice and StarOffice, dismissing the creation as a silly publicity stunt.