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CastleStealer: An Emerging Infostealer Growing More Sophisticated

calendar_today October 8, 2026 person Flashpoint Intel Team domain flashpoint

In this post, we analyze the evolution of CastleStealer, including the sensitive data it targets, new techniques for bypassing browser protections, remote command capabilities, and an approach to exfiltration designed to help stolen data blend into network traffic. The post CastleStealer: An Emerging Infostealer Growing More Sophisticated appeared first on Flashpoint .

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