CERT24An Accidental “Kill Switch” Slowed Friday’s Massive Ransomware AttackLoading data…
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An Accidental “Kill Switch” Slowed Friday’s Massive Ransomware Attack

The WannaCry ransomware rapidly infected computers in nearly 100 countries, locking systems including the United Kingdom’s National Health Service, a large telecommunications company in Spain, and other organizations. Its spread was slowed by Microsoft’s emergency Windows XP patch and a researcher’s discovery of a domain-based kill switch.

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An Accidental “Kill Switch” Slowed Friday’s Massive Ransomware Attack

The WannaCry ransomware rapidly infected computers in nearly 100 countries, locking systems including the United Kingdom’s National Health Service, a large telecommunications company in Spain, and other organizations. Its spread was slowed by Microsoft’s emergency Windows XP patch and a researcher’s discovery of a domain-based kill switch.