Latest: Confirmed Irish case in cyber attack that has hit 200,000 in at least 150 countries

Latest: 200,000 victims worldwide have now been hit by the "WannaCry" cyber attack.

Update - 3:30pm: 200,000 victims worldwide have now been hit by the "WannaCry" cyber attack.

Europol says the ransom-ware virus is now affecting users in at least 150 countries.