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Lorenz ransomware gang plants backdoors to use months later

Posted on January 13, 2023 by Dissent

Ionut Ilascu reports:

Security researchers are warning that patching critical vulnerabilities allowing access to the network is insufficient to defend against ransomware attacks.

Some gangs are exploiting the flaws to plan a backdoor while the window of opportunity exists and may return long after the victim applied the necessary security updates.

One case is a Lorenz ransomware attack that reached completion months after the hackers gained access to the victim’s network using an exploit for a critical bug in a telephony system.

Read more at BleepingComputer.

Category: Commentaries and AnalysesMalware

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