Following the ransomware cyber attack on Friday 12 May which affected the NHS and is believed to have affected other organisations globally, the City of London Police's National Fraud Intelligence Bureau has issued an alert urging both individuals and businesses to follow protection advice immediately and in the coming days.
Ransomware is a form of malicious software (Malware) that enables cyber criminals to remotely lock down files on your computer or mobile device. Criminals will use ransomware to extort money from you (a ransom), before they restore access to your files. There are many ways that ransomware can infect your device, whether it be a link to a malicious website in an unsolicited email, or through a security vulnerability in a piece of software you use.
Key Protect messages for businesses to protect themselves from ransomware:
The National Cyber Security Centre's technical guidance includes specific software patches to use that will prevent uninfected computers on your network from becoming infected with the "WannaCry" Ransomware: https://www.ncsc.gov.uk/guidance/ransomware-latest-ncsc-guidance
Key Protect advice for individuals is the same as for businesses but also:
Only install apps from official app stores, such as Google's Play Store, or Apple's App Store as they offer better levels of protection than some 3rd party stores. Jailbreaking, rooting, or disabling any of the default security features of your device will make it more susceptible to malware infections.
Fraudsters may exploit this high profile incident and use it as part of phishing/smishing campaigns. We urge people to be cautious if they receive any unsolicited communications from the NHS. The protect advice for that is the following:
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