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Over time, software e.g. operating systems such as Windows, also apps, web browsers, etc. may no longer be updated by the supplier.

Although the software will continue to work, it may no longer protect against online threats. If a security weakness is discovered, software can be compromised and become vulnerable to a cyber-attack.

The global ransomware attack in May 2017, which in the UK particularly affected the NHS, reminds us all that it is worth taking necessary precautions. Many organisations whose systems were infected had unpatched or unsupported operating systems. However, whether organisations had patched their systems or not, taking action to manage their firewalls facing the internet would have guarded organisations against infection.


For benefits to be gained from up-to-date security measures, only use supported software on your systems and devices. This includes downloading and installing software updates as soon as possible as it will help keep your devices secure.

You can set desktops, laptops, smartphones and tablets to automatically install software updates when an update is available. You can choose to install updates overnight or you can set your device to automatically update when you are connected to Wi-Fi.