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NHS cyberattack: Trusts were told about security patch last month

NHS cyberattack: Trusts were told about security patch last month

Europol estimates that the ransomware had hit more than 200,000 victims across 150 countries.

Mr Biggs said: "It is vital that NHS trusts invest adequately in cyber security as they seek to protect themselves against future attacks". "We will continue to work with affected (organizations) to confirm this", the agency said. While a United Kingdom security researcher managed to stop the spread of the virus, hackers have issued new versions that cybersecurity organizations are trying to counter and stamp out.

"We will see more victims here and that's very sad always", MacGibbon said.

For all the worldwide chaos they have caused, the ransomware attack's perpetrators have reportedly made little more than less than $70,000, according to Tom Bossert, assistant to the president for homeland security and counterterrorism. The British Home Secretary said most of the NHS systems were back to normal by midday Saturday.

Experts fear further waves of cyber attacks may be on the way, as criminals race to re-purpose hacking tools that were stolen from the US National Security Agency and leaked last month. Microsoft over the weekend also released patches targeting out-of-support versions of Windows including Windows XP, Windows Server 2003 and Windows 8.

Devices across Barts Health NHS Trust, which runs the Royal London and four other east London hospitals, were marked with red tape by IT staff as they battled to get systems online.

Problems with cyber security in the NHS was highlighted previous year by Dame Fiona Caldicott, the national data guardian, who warned issues were given insufficient priority and that health bodies persisted in using obsolete computer systems, The Times reported.

It was too early to say what the overall cost of the attack to the public purse would be, the spokesman said.

Ransomware is software that infects a computer and then demands the user pay to have their information restored.

Prime Minister Theresa May has rejected claims the government ignored warnings the NHS was vulnerable to a possible attack.

The EU's law enforcement body said threats of this type do not normally spread so rapidly.

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

At a hospital in Norfolk, eastern England, staff were told on Monday they could still only view x-rays in one room, while pharmacy services were being restricted as computer systems were upgraded.

"A protection system. needs to be worked out", he said.

Industrial conglomerate Hitachi Ltd. said the attack had affected its systems at some point over the weekend, leaving them unable to receive and send e-mails or open attachments in some cases.

Doctors surgeries in Tayside affected by the UK-wide NHS cyber-attack are now "operating as normal".

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