Most UK patients saw no change on Monday after cyber attack - minister

Cyber security experts had warned that the ransomware virus, which affected one in five NHS trusts, could be reactivated by computers and devices that had not yet been switched on.

The "Eternal Blue" tool developed by the National Security Agency had been dumped onto the public internet by a hacking group known as the "Shadow Brokers". "They've complacently dismissed warnings which experts, we now understand, have made in recent weeks".

The Mid Essex Hospital Trust, which runs St Peter's Hospital in Maldon, Broomfield Hospital, St Michael's Hospital in Braintree and Christchurch in Chelmsford, worked across the weekend to get affected systems back online.

President Vladimir Putin denied Russian Federation, which has been accused of cyber meddling in several countries around the world in recent years, had anything to do with an attack that hit hundreds of thousands of computers.

United States package delivery giant FedEx, European auto factories, Spanish telecoms giant Telefonica, Britain's health service and Germany's Deutsche Bahn rail network were among those hit.

It had urged computer users to install and upgrade security software, but otherwise said little about the cyberattacks.

But Prime Minister Theresa May has rejected claims the Government ignored warnings the health service was vulnerable, and said the Government was putting £2bn into cyber security.

"HHS through its law enforcement and intelligence resources with the Office of Inspector General and Office of Security and Strategic Information, have ongoing communications and are sharing and exchanging information with other key partners including the U.S. Department of Homeland Security and the Federal Bureau of Investigation", HHS said in a statement, according to HealthITSecurity.

Telefonica, a Spanish telecommunications company, reported that some internal systems were affected, but that its network and services were not disrupted as a result.

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It was not immediately clear whether those services were suspended due to attacks, or for emergency patching to prevent infection.

They proposed a plan to improve security that included a replacement of outdated systems "as a matter of urgency", calling the continued use "one of the most pressing issues facing IT infrastructure" in the NHS.

"With the success of the initial infection of WannaCry, it wouldn't be at all surprising to see the next iteration released soon", said Millard in an email remarks sent to eWEEK.

Elsewhere in Asia, the impact seems to have been more limited.

An worldwide manhunt was under way for the plotters behind the world's biggest-ever computer ransom assault which has affected more than 150 countries.

Hospitals and GP surgeries in England and Scotland were affected by a ransomware attack, using malware called Wanna Decryptor.

The NHS has been declared "open for business" but some hospitals are still suffering disruption caused by the crippling ransomware attack. The statement said antivirus systems are working to destroy it.

He added: "The governments of the world should treat this attack as a wake-up call".

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