Trusts told to remain vigilant with updated cyber-attack guidance

Friday's attack was unprecedented in its reach with more than 200,000 victims in at least 150 countries but warns of a more escalating threat as the number of victims will grow when people go to work and turn their machines on Monday morning, CNN quoted Rob Wainwright, the head of the European Union's law enforcement agency Europol as saying.

"The government's response has been chaotic", the British Labour Party's health spokesman Jon Ashworth said.

"Across the globe, events today have been at the lower end of our expectations", said Ciaran Martin, the head of the National Cyber Security Centre which is part of Britain's surveillance spy agency GCHQ. Organizations that had applied the March critical Microsoft Windows patches were not vulnerable to WannaCry. Most cybersecurity companies have blamed phishing e-mails - e-mails containing malicious attachments or links to files - that download the ransomware.

The recent NHS computer hack put ransomware in the spotlight, but this isn't a new or unusual kind of malware.

Experts believe one main reason why healthcare organisations are particularly at risk from cyber attacks may be due to lack of awareness about email authentication in the sector.

Here are four ways to protect your systems from this latest strain of ransomware. Several of which, like WannaCry, have been disclosed by hackers, thus, increasing the likelihood that such vulnerability will be exploited just like WannaCry.

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Dore said companies that faced disruptions because they did not run the Microsoft update or because they were using older versions of Windows could face lawsuits if they publicly touted their cyber security.

Yes, every operating system could theoretically be attacked. Mac or Linux-based system have not been hit so far.

WannaCry that has been creating havoc is a type of ransomware that doesn't let you access your system anymore.

"It's fantastic we're seeing this problem at all, organisations have had a two-month lead time to patch this exploit". The company provides a guide on here. Criminals tend to target systems such as Windows or the Android mobile operating system, because they are more widely used, increasing the chance of people falling victim.

It's high time that health services take protective measures, inlcuding updating the systems with the latest versions as well as imparting the right training and tools to workers to mitigate this vulnerability or overcome such attacks in the future.

While there are a number of preventive steps that a business can take to mitigate the risk of a ransomware attack, there is no such thing as flawless or impenetrable security.

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