ransomware attack

New computer virus spreads from Ukraine to disrupt world business

The virus is believed to have first taken hold on Tuesday in Ukraine where it silently infected computers after users downloaded a popular tax accounting package or visited a local news site, national police and international cyber experts said, according to

Global ransomware attack causes turmoil

British advertising agency WPP is among those to say its IT systems have been disrupted as a consequence, according to the BBC. The virus, the source of which is not yet known, freezes the user's computer until a ransom in untraceable Bitcoin