Companies across the globe are reporting that they have been struck by a major ransomware cyber-attack. British advertising agency WPP is among those to say its IT systems have been disrupted as a consequence. The virus, the source of which is not yet known, freezes the user’s computer and demands an untraceable ransom be paid in the digital Bitcoin currency. Ukrainian firms, including the state power company and Kiev’s main airport, were among the first to report issues.
Global ransomware attack causes turmoil
