WannaCry leveraged a vulnerability in Windows OS, first discovered by the NSA, and then publicly revealed to the world by the Shadow Brokers.
In the first few hours, 200,000 machines were infected. Big organizations such as Renault or the NHS were struck and crippled by the attack.
Ransomware has been a growing trend for the past two years, and this is just a culmination, a grand reveal to the wider world of just how big of a threat it is. But we’ve been writing about this for a while now.
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