United Lincolnshire Hospitals Trust has said all patients should attend their booked outpatient appointments and operations "as planned tomorrow (Tuesday) after 'significant progress" has been made in restoring IT systems following Friday's cyber attack.
At NHS Western Isles, the radiology system has been affected and while it has had no impact on the care delivered locally, a spokesperson said it has affected their ability to share images with mainland Boards.
A malicious software on Friday created a cyber blizzard in the global cyber-media space by attacking more than 2,00,000 systems in almost 150 countries.
Numerous hospitals across the country and all over Hampshire were affected by "ransomware" that encrypted data and did not allow access to the data until the user had paid 300 USA dollars' worth of the online cryptocurrency Bitcoin.
On the other hand, computers running on Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8.1, Windows Server 2012, Windows 10, Windows Server 2012 R2, Windows Server 2016 had received the security update back in March 2017.
What is the best way to protect your system?
NHS Digital has announced updated guidelines on protecting against future cyber-attacks including instructions to install a patch to protect systems against further attacks and malicious viruses.
Medical staff across the country had reported seeing computers go down "one by one" as the attack took hold, locking machines and demanding money to release the data. Security firms say Russian Federation was the country that was hit the hardest.
'There has been a report to the Australian Cyber Security centre of one instance of what we believe could be this ransomware, ' she told reporters in Cairns. And reach out to the cyber security cell of your nearest police station. But he also said the incident was a "wake-up call" for governments.
They were among many victims of an indiscriminate global attack that has struck hundreds of thousands of computers worldwide by exploiting known vulnerabilities in older Microsoft computer operating systems.
"We will get a decryption tool eventually, but for the moment, it's still a live threat and we're still in disaster recovery mode", Europol director Rob Wainwright told CNN on Sunday.
'Because this would be nowhere near the worldwide spread and depth of attack if people had run the updates that Microsoft had provided in March'.