Computer experts warn about the inevitability of another large-scale cyber attacks.
According to the British computer scientist named MalwareTech, who last week helped to prevent infection of a larger number of computers, another such attack could happen on Monday.
This virus that encrypts computer files, making them inaccessible to the user, has spread to 100 countries, including Russia, France, Spain and Britain.
Some hospitals were forced to cancel planned operations and procedures and to redirect their ambulances to other hospitals not affected by the hacking.
As reported, on Friday, the Internet virus attacked and blocked thousands of computers in the world.
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