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Tuesday, 23 May 2017

WannaCry ransomware cyber-attack: Your questions answered


After a cyber-attack disrupted IT services across the globe, many people have written to the BBC with questions about why it happened, how you can protect your computers and smartphones, and if the attackers will be caught.
BBC Technology reporter Chris Foxx and security expert Prof Alan Woodward provide some answers.
WannaCry ransomware cyber-attacks slow but fears remain

Why doesn't the NHS used a closed secure network, like the military?

"Practically speaking, it's not possible to completely isolate the NHS network," said cyber-security expert Prof Alan Woodward.
"The NHS sends emails to patients who have email addresses outside of the NHS network.
"People in the NHS also use the internet heavily for research, just like academics."
Even a private network can be compromised, especially in an organisation with thousands of people using it daily.
"Once [a virus] has managed to enter the larger network, it can then use vulnerabilities to spread," said Prof Woodward.

Will banks and personal finances be affected?

Since serving customers online is now part of banks' bread and butter, you would expect cyber-security to be at the very top of their priorities.
Cyber-security is a game of cat and mouse, with criminals always thinking of new ways to attack systems, so no organisation is totally impenetrable.
Source By BBC.COM

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