Christian Slater returns to the role of the super-creepy "Wolf" in the latest film by HP warning users on cyber security -- and this time he's even more evil.

The new film sees him masterminding a cyber attack on a healthcare network (topical, following the ransomware attack on the U.K's National Heath Service last month). First he jumps on an unattended computer and manages to incapitate the chief information officer by changing his own medication, wiping his records and changing his name tag, to make sure he's not available when the main shutdown happens.

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