Computer security experts fear a new worm - Bagle-A - which began spreading rapidly across Australian email overnight could be a rehearsal for a more concerted worldwide attack in coming weeks. According to Daniel Zatz, security director for Computer Associates Australia, Bagle-A carries an expiry date, possibly indicating more robust versions of the worm could be slated for release soon - drawing comparison to the Sobig worm. According to Zatz, while Bagle-A is already successful, responsible for an alarming 80 per cent jump in queries to CA's help desk and in virus submissions to rival computer security company Sophos, the current version of the worm contains bugs. Get more informations over @ Silicon.com