DOSSIER · UPDATED 18 NOV 2025

Abnormal Security

The Abnormal Security platform protects enterprises from targeted email attacks. Abnormal Behavior Technology (ABX) models the identity of both employees and external senders, profiles relationships and analyzes email content to stop…

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Founded
2018
Headcount
59
Open roles
77
Last raised
Series D · $250M
SECTION I · THE BRIEF

Inside Abnormal Security

Brief #49067Updated 18 NOV 2025SAN FRANCISCOMENLO VENTURESSERIES D
Employbl Dossier

Abnormal Security

The Abnormal Security platform protects enterprises from targeted email attacks. Abnormal Behavior Technology (ABX) models the identity of both employees and external senders, profiles relationships and analyzes email…

Founded
2018
Headcount
59
Open roles
77
Last raised
Series D · $250M
Section II — RestrictedMembers only
  • Tech stack (Abnormal Security engineering primaries)
  • Hiring focus this quarter
  • Interview format & rubric
  • Comp bands by level
  • Decision-makers in talent
  • Recent news & moves
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OPEN ROLES

Hiring at Abnormal Security

Current Job Listings

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    LOCATIONS

    Where they work

    Abnormal Security Headquarters Location

    185 Clara Street, San Francisco, CA, 94107

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    FUNDING

    Capital raised

    Total Amount Raised: $534,000,000

    Abnormal Security's Investors

    Abnormal Security Funding Rounds

    • Series D

      $250,000,000

    • Series D

      $250,000,000

      Series D Investors

      Wellington Management
      Insight Venture Partners
      CrowdStrike Falcon Fund
      Greylock Partners
      Menlo Ventures

    • Series C

      $210,000,000

    • Series C

      $210,000,000

      Series C Investors

      Insight Venture Partners
      Greylock Partners
      Menlo Ventures

    • Series B

      $50,000,000

    • Series B

      $50,000,000

      Series B Investors

      Menlo Ventures
      Greylock Partners

    • Series A

      $24,000,000

    • Series A

      $24,000,000

      Series A Investors

      Greylock Partners
      Jake Seid
    Funding info provided by Diffbot.
    EMPLOYEE REVIEWS

    On the ground at Abnormal Security

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