UK security centre urges companies to boost their defences after cyberattacks on Ukraine

Organisations are being urged to take action in order to bolster their cybersecurity resilience as a result of the ongoing tensions between Russia and Ukraine.

The National Cyber Security Centre (NCSC) has issued the warning after recent cyber incidents against Ukraine and tensions in the region. 

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While the attacks haven’t officially been attributed to anyone, the NCSC notes that they follow similar patterns to previous incidents, some of which the UK, the US and others have blamed on the Russian government.

SEE: A winning strategy for cybersecurity (ZDNet special report)

These include cyberattacks against Georgia, as well as the NotPetya cyberattack. NotPetya was designed to target organisations in the Ukrainian financial, energy and government sectors, but the self-replicating nature of the attack meant it affected organisations around the world, causing an estimated billions of dollars in damages.

NotPetya was powered by EternalBlue, an offensive NSA hacking tool that was leaked in early 2017. By the time of the NotPetya attack in June that year, a security patch had been available for months, but many organisations had yet to apply it.

That’s despite a demonstration of how large numbers of unpatched systems were vulnerable to EternalBlue-based attacks – that demo took place when

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