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    Matt Johansen

    Matt Johansen is an AppSec engineer with a strong practitioner reach.

    #44 Application security engineering
    16CiteRank

    Last updated 13 Nov 2026 · Named in 8 answers across 3 engines
    Bing AI Mode starts a separate baseline. Copilot remains a separate public engine and keeps its history; changes across the switch are not like-for-like growth.

    How AI engines see them

    Recognized by 3 of 3 measured engines. Updated 2026-11-06

    All three engines recognize Matt Johansen as an application security leader with roles at WhiteHat Security, Bank of America, and Reddit, where he worked on software security. ChatGPT adds that he founded the Vulnerable U newsletter and was former Head of Software Security at Reddit. Gemini adds that he is a Principal Security Architect and emphasizes developer workflows and engineering over analysis. Google AI Mode adds the online name Friendly Neighborhood Security Guy and says he established the Threat Research Center at WhiteHat Security. No engine fails to name him. The cited pages most often come from adelphi.edu, with three engines citing it, and scworld.com, cited by ChatGPT and Gemini.

    • ChatGPTNot named

      Matt Johansen is a cybersecurity leader who founded Vulnerable U and was Head of Software Security at Reddit.

      Known for
      • Founder of Vulnerable U
      • Application security
      • Security engineering
    • GeminiNot named

      Matt Johansen is an information security veteran and application security leader who serves as Principal Security Architect and Head of Software Security at Reddit.

      Known for
      • Application security
      • Scalable security engineering
      • Developer workflow integration
    • Google AI ModeNot named

      Matt Johansen, also known as mattjay, is a veteran in computer security and application security who worked at WhiteHat Security, Bank of America, and Reddit.

      Known for
      • Web application penetration testing
      • Vulnerability management
      • Pragmatic security leadership
    • PerplexityNot named

      No description yet.

    • Bing AI ModeNot named

      No description yet.

    • CopilotNot named

      No description yet.

    Top Segments

    • #44Application security engineeringof 60
      Named in 4 answers

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