Researchers disclose top flaws abused by ransomware gangs
Easy-to-follow list may give organizations time to prepare for ransomware attacks
Last weekend, Allan Liska, a member of Recorded Future's CSIRT, tweeted the call to action to fellow security professionals. He asked his followers to send in the vulnerabilities they often see used to gain access to networks.
In the space of day, various contributors listed security flaws found in several products from hardware and software vendors. Pancek3, another researcher on Twitter, created and later tweeted out, a simple diagram of flaws commonly used in ransomware attacks that should enable organizations to prioritize points of their infrastructure that need defending.
Liska and others’ efforts over the last few days come after various government and private company initiatives to fend off the growing surge in ransomware attacks.
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Eoin Keary, CEO and founder of Edgescan told IT Pro that what is important to note is a significant number of the vulnerabilities are two to three years old.
“Industrialized cyber crime is not leveraging ‘zero day’ payloads or exploits, but rather focusing on the ‘old reliables.’ This brings me to the conclusion that we have a lot of work to do in terms of both continuous visibility, vulnerability detection and mitigation of discovered vulnerabilities, such as good patching cadence. The days of singular point-in-time penetration tests are over, and organizations need to move towards a more continuous model,” he said
Keary added: "Many ransomware attacks begin with a human-led breach followed by pivoting across the network and exploitation. It is also necessary to discuss ‘internal’ or non-public cyber security postures.”
“Prevention is important, but we also need more focus on resilience. Resilience can mean good vulnerability management, network segmentation, monitoring, and visibility as a start. In addition, simple activities like frequent backups can reduce the impact of a successful ransomware attack.”
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