In Israel, Prime Minister Benjamin Netanyahu said late Sunday that his country was largely unaffected by the ransomware attack after it began preparing for such events several years ago through its new National Cyberdefence Authority. So far there are approximately 200,000 victims.
When the computer virus struck on Friday 47 trusts were affected and seven had to close their doors in A&E to ambulances.
Although there is no evidence that patient data was compromised, British Home Secretary Amber Rudd told the BBC that NHS must learn from the attack and upgrade its IT systems. The path to upgrading things hasn't been as rapid in places like China and Russian Federation.
NHS Digital has recommended a number of measures for trusts to implement to protect themselves from cyber-attack after Friday saw trusts across the country targeted by hackers.
Authorities say that the malicious software - known as WannaCry - was developed by the U.S. National Security Agency and was later stolen by a secretive group known as the Shadow Brokers. Police Scotland are working with the National Crime Agency on the investigation.
Petients have been told they can attend their GP surgeries as normal following last week's computer cyber attack - though some facilities were still seeing difficulties on Monday. That amount is expected to increase.
Once your system has ransomware, your choices are limited: pay or don't pay. The company said in a statement that their Windows-based systems were "experiencing interference" due to malware and that it was trying to fix the issue as quickly as possible. While this kind of hack is alarming enough to make any tech enthusiast move to a shack in the woods, it's important to remember that knowledge, even in these kinds of unsettling scenarios, is power. Additionally, experts warn that copycats could also try another attack. In the case of this ransomware attack, Microsoft released a patch weeks before the attack hit, which would have protected systems by not permitting the ransomware to take hold. It encrypts data on infected computers and demands payment before the information is unencrypted.
"I'm anxious about how the numbers will continue to grow when people go to work and turn on their machines on Monday", he said. Plus, with two new variations of the malware already detected, we might not be out of the woods just yet.