• Senior Cyber Threat Hunter

    Leidos (Adelphi, MD)
    …networks. Leveraging a deep knowledge of the threat landscape, the Principal Cyber Threat Hunter will enhance our cybersecurity posture, implement ... with the ability to brief senior leadership (SES & Flag-officer) leadership on cyber threat activity and cybersecurity trends (as-needed). At Leidos, we don't… more
    Leidos (10/23/25)
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  • Lead Web App Pen Tester

    CoStar Realty Information, Inc. (Arlington, VA)
    Lead Web App Pen Tester Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, ... during design, development, and production. The candidate will utilize threat modeling, white box application security analysis, and grey.../ Experienced (OSEP) + Hack the Box Bug Bounty Hunter (CBBH) / Web Exploitation Expert (CWEE) + Hack… more
    CoStar Realty Information, Inc. (10/03/25)
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