Special Advisor, Cabinet Office (Government of Japan) “April is the cruelest month,” T.S. Eliot wrote, but if he were alive today and working in cybersecurity he might have chosen May. This month saw a ransomware cyberattack that was startling in its scale, affecting hundreds of thousands of computers around the world in networks ranging from railways to hospitals, causing treatment delays for patients in the UK. While the WannaCry attack was entirely preventable, it can offer several lessons about prevention and resilience that bear repeating. The price of complacency This latest strain of ransomware takes advantage of a vulnerability in Windows that, according to Microsoft, uses software tools stolen from the National Security Agency (NSA). Related: GroupBuy SEO Tools While Microsoft released a patch for the vulnerability two months prior to this attack, its massive scale showed that many computers, especially in businesses and services like transit, hadn’t been up...
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