CISA is warning us (again) about the threat to critical infrastructure networks

Threat actor believed to be spreading new MedusaLocker variant since 2022

Are hardware supply chain attacks “cyber attacks?”

Simple Mail Transfer Pirates:   How threat actors are abusing third-party infrastructure to send spam

Talos discovers denial-of-service vulnerability in Microsoft Audio Bus; Potential remote code execution in popular open-source PLC

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 15 and April 22. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...


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Headline

Threat Roundup for April 15 to April 22

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