I'm really surprised nobody picked this up.
So, the Attack in Ukraine was not, in fact, Ransomware but a good old fashioned virus attack. Dubbed "NotPetya" because it masquerades as the Petya Ransomeware the virus destroys data with virtually no hope of recovery. Apparently is found its way into the wild via a backdoor malicious inserted into a Tax App widely used in Ukraine.
Rather more interestingly, the makers of the virus apparently had access to the NSA's Eternal Blue exploit weeks before it was released by the "Shadow Brokers".
This suggests some link between those who promulgated NotPetya and the Shadow Brokers themselves. The most likely explanation is that both are Russian, possibly state sponsored, and their aim is to further Russian political goals, namely crippling Ukraine and discrediting the US. If so this means by extension that Russia may be indirectly responsible for WannaCry which crippled the NHS back in March.
https://arstechnica.co.uk/security/2...-app-backdoor/
https://arstechnica.co.uk/security/2...r-public-leak/
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