3 best practices for protecting yourself from WannaCry and other ransomware attacks Watch Now The National Health Service (NHS) was left vulnerable to the WannaCry ransomware attack because, despite local health trusts being warned to patch their systems, many had failed to do so. A National Audit Office (NAO) investigation into May’s global cyber-attack — which took down IT systems at many NHS organisations — has found that the impact of WannaCry could have been prevented if basic security best practice had been applied. According to the NAO’s report, NHS Digital — the health service’s data and IT body — issued critical alerts throughout March and April warning organisations to patch their systems in order to prevent an event like WannaCry from happening. In April, Microsoft released an emergency patch to protect against EternalBlue , a leaked NSA hacking tool which uses a version of Windows’ Server Message Block (SMB) networking protocol to spread itself across an infected network using worm-like capabilities. It was this exploit which powered WannaCry and led to its quick proliferation onto networks around the world, including the NHS. An NHS spokesperson told ZDNet that the critical alerts to patch systems were issued in response to… Read full this story
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