On Sunday, a piece of the DoppelPaymer ransomware infected systems of the Mexican state-owned oil company Petróleos Mexicanos (Pemex) taking down part of its network.
According to the company, less than 5% of the computers in its network were infected with ransomware.
The Petróleos Mexicanos claims that it
Pemex confirmed that its infrastructure, like all major national and international government and financial organizations, is under unceasing targeted attacks, for this reason, it is continuing to improve its security measures.
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(SecurityAffairs – ransomware, Petróleos Mexicanos (Pemex))