Computer users were warned last night to take urgent action to protect themselves against a global pandemic viruses cybernetics measures .
Police around the world have launched an unprecedented attack against the criminals behind the high-tech software that causes misery to millions.
Computers more than 15,000 people in the UK are already infected by a virus that could cost "millions" of our economy , the National Crime Agency (NCA ) has warned .
But the handful of those behind the so-called "malware " has been weakened by a counter- attack against the servers that control software.
Computer experts said computer users should install anti -virus software and update their operating systems to the latest versions to stop to regain their control.
Those who do not risk that valuable data, including precious photos , music and personal files held hostage .
In the worst cases , victims may lose access to their bank accounts could be systematically drained by the criminal network.
The software, called Gameover Zeus , has spread around the world , but has been temporarily disabled by the international effort by organizations of law enforcement .
Potential victims can protect themselves , but have little time to do it before hackers can rebuild your network.
The international effort , including the forces of " command and control" NCA , Interpol and Europol target server behind the virus.