On Friday 12th May 2017, a ransom-ware called WannaCry infecting and spreading machines in 70+ countries — using nation state grade offensive capabilities released last month by the ShadowBrowkers — including telco companies like Telefonica in Spain, or healthcare authority like the NHS in England — and the number of infected machines keeps growing. A public exploit for this vulnerability had been released in April by a group subbed as ShadowBrokers (which emerged for the first time in August 2016) while leaking files containing offensive tools belonging to the NSA including a remote SMB exploit called [ETERNALBLUE] (https://www.msuiche.com/posts/shadowbrokers-the-nsa-compromised-the-swift-network/)which affects the above vulnerability.