CISA flags data-theft bug in NSA-built OT networking tool

📰 The Register

GrassMarlin leaks sensitive information, provided your targeting phishing skills are sharp enough The Cybersecurity and Infrastructure Security Agency (CISA) is warning anyone who uses GrassMarlin, a tool developed by the National Security Agency (NSA), about a new vulnerability that attackers can use to snoop on sensitive information.…

Published 29 Apr 2026
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