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  • Abnormal AI

    Behavioural email threat detection and automated investigation

    • Overview
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    About

    Abnormal AI provides security for email, identities and AI systems. Its email products analyse relationships, identity activity and message content to detect threats such as impersonation, business email compromise, vendor fraud and phishing. Integrations include Microsoft 365 and Google Workspace.

    Read full overview

    Inbound Email Security builds behavioural baselines for employees and vendors, removes identified malicious messages and supplies explanations for detections. Analysts can search messages across supported platforms, investigate verdicts and remediate messages individually or in bulk. The current product also describes malicious-calendar-invite removal, custom rules and quarantine review.

    The wider email portfolio includes a security mailbox, phishing coaching, misdirected-email protection and data-loss rules. These should be scoped as product capabilities rather than assumed to be a single licence. Prospective customers can request a demonstration through the contact form.

    A published Valvoline case describes replacing a secure email gateway and another API-based product, with QR-code attack detection and automated responses to user-reported messages.

    Company informationView company information →
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    Facts

    Tags

    • API
    • AI
    • Security

    Categories

    • Security

    Software Type

    • SaaS

    Supported Languages

    • English

    Related

    Products & Services1

    SoftwareAbnormal Cloud Email Security

    Abnormal Cloud Email Security protects business email through integrations with Microsoft 365 and Google Workspace. The service analyses account behaviour and communication…

    View profile →

    Activity

    emailexpert coverage

    Security & Deliverability 23 January 2026 · emailexpert

    Weaponised Trust: How Zendesk’s Relay Spam is Poisoning Support Domains

    TL;DR: The "Relay Spam" Crisis The Event: Since January 18, 2026, a massive global "relay spam" campaign has weaponized the customer support systems of major brands (including Discord,…

    Security & Deliverability 23 January 2026 · emailexpert

    2025 Report Reveals Rising Risk of Misdirected Emails, Says Abnormal AI

    Abnormal AI’s latest report titled 2025 State of Misdirected Email Prevention: Keeping Sensitive Data Out of the Wrong Inboxes, flips a familiar narrative: some of the biggest email‑security…

    Read more coverage

    Contact & locations

    Location

    • Listed location
      185 Clara Street, San Francisco, California 94107, United States of America

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    • Contact address
      8474 Rozita Lee Ave., Suite 420, Las Vegas, NV 89113, United States

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    Follow Abnormal AI

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    Contact details

    • Address
      8474 Rozita Lee Ave., Suite 420, Las Vegas, NV 89113, United States
    • Website
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    Contact details

    • Address
      8474 Rozita Lee Ave., Suite 420, Las Vegas, NV 89113, United States
    • Source
      Address published by the company

    Company details

    • Company Type
      Private
    • Legal Name
      Abnormal AI, Inc.
    • Year founded
      2018
    • Employees
      1,001–5,000

    News & coverage

    6 related stories

    Security & Deliverability 23 January 2026 · emailexpert

    Weaponised Trust: How Zendesk’s Relay Spam is Poisoning Support Domains

    TL;DR: The "Relay Spam" Crisis The Event: Since January 18, 2026, a massive global "relay spam" campaign has weaponized the customer support systems of major brands (including Discord,…

    Security & Deliverability 23 January 2026 · emailexpert

    2025 Report Reveals Rising Risk of Misdirected Emails, Says Abnormal AI

    Abnormal AI’s latest report titled 2025 State of Misdirected Email Prevention: Keeping Sensitive Data Out of the Wrong Inboxes, flips a familiar narrative: some of the biggest email‑security…

    Products & Markets 11 July 2025 · emailexpert

    Microsoft Defender for Office 365 Adds Default Email Bombing Protection

    Microsoft has announced that all Defender for Office 365 customers will receive automatic protection against email bombing attacks by the end of July 2025. The new security feature…

    Products & Markets 16 April 2025 · emailexpert

    Abnormal Security Rebrands to Abnormal AI

    Abnormal Security has rebranded to Abnormal AI, returning to its original 2018 name. This change reflects its expansion beyond email security to a broader AI-native security platform protecting…

    Security & Deliverability 15 August 2024 · emailexpert

    2024 Email Threat Abnormal Security Report

    Abnormal Security released its H2 2024 Email Threat Report, revealing the growing threat of file-sharing phishing attacks, whereby threat actors use popular file-hosting or e-signature solutions as a disguise…

    Security & Deliverability 15 September 2020 · emailexpert

    Abnormal Security & Microsoft Team Up to Deliver AI-Driven Email Security

    Abnormal Security announced a global strategic alliance with Microsoft to deliver comprehensive security solutions to enterprises. Starting today, customers can purchase Abnormal’s security offering directly from Microsoft’s Azure Marketplace. Until…

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