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    Abnormal - Cloud Email Security

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    Deployed on AWS
    Abnormal is the AI-native cloud email security platform that protects businesses from the most advanced and costly attacks while fully automating security operations. Unlike traditional SEGs, which rely on disruptive inline processing and static rules, Abnormal deploys in minutes via a three-click API integration with Microsoft 365 and Google Workspace. The solution ingests tens of thousands of signals unique to each customer, and uses behavioral AI to precisely detect and remediate business email compromise (BEC), account takeovers, invoice fraud, and supply chain attacks in real time. Abnormal delivers unmatched efficacy and a seamless experience, reducing security teams operational overhead by 95%. Recognized as a "Leader" in the Gartner Magic Quadrant for Email Security Platforms, Abnormal is celebrated for its innovation, customer centric approach, and 99% "Would Recommend" rating on Gartner Peer Insights.
    4.7

    Overview

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    Email remains the #1 cause of breaches and #1 source of cybercrime losses to enterprises (Source: FBI Internet Crime Report). As attackers leverage generative AI and sophisticated social engineering, traditional security approaches that rely on threat intelligence and static rules are no longer sufficient. Organizations need a modern solution that deeply understands human behavior to protect against these evolving threats.

    Abnormal Security delivers unprecedented protection through its AI-native platform for human behavior security. By leveraging a unique API-based architecture, Abnormal ingests 10x more behavioral signals than legacy solutions, enabling deep understanding of every employee and vendors behavior patterns. This foundation powers precise detection of anomalies and suspicious activities, stopping advanced attacks like business email compromise, supply chain fraud, account takeovers, lateral phishing, and AI-generated impersonation attempts before they can cause damage. For example, Abnormal detected and stopped a $13.5M payment fraud attempt where an attacker compromised an email account, created a look-alike domain, and sent a fraudulent invoice. Abnormals AI flagged anomalies such as the newly registered domain, suspicious email headers, and unusual language patterns, preventing the attack before any harm occurred.

    Beyond superior detection, Abnormal transforms security operations through AI automation. The platforms AI Security Mailbox eliminates manual triage and investigation of reported emails, while automated remediation capabilities instantly remove threats across all mailboxes. This automation, combined with features like AI-generated security awareness training and intelligent graymail management, reduces SOC workload by 95% while improving employee productivity.

    Deployed in 60 seconds via API, Abnormal integrates seamlessly with Microsoft 365 and Google Workspace without the need for professional services or ongoing admin overhead.

    Key Benefits -Integrates in 60 seconds, deploys without professional services, and operates autonomously with no admin overhead. -Leverages behavioral AI to detect and stop novel email attacks while fully automating SOC operations, including phishing mailbox management, security training, and attack remediation. -Expands protection beyond email by using human behavioral AI to detect and remediate account takeovers (ATO/UATO), securing cloud platforms and preventing unauthorized access.

    Abnormal is recognized for its customer-first approach and commitment to innovation. Named a "Leader" in the Gartner Magic Quadrant for Email Security Platforms with the "Most Completeness of Vision," Abnormal also boasts a 99% customer "Would Recommend" rating, reflecting its industry leadership and dedication to excellence.

    Experience Abnormals cutting-edge email security with a demo and risk assessment tailored to your needs. See how behavioral AI stops advanced threats others miss, explore real-world attacks, and experience seamless API integration. Gain clear insights, pricing transparency, and learn why Abnormal leads in email security.

    Request a demo today to protect your cloud email environment.

    To purchase, please request a private offer.

    Highlights

    • Comprehensive Protection with Behavioral AI - Abnormal's behavioral AI analyzes tens of thousands of organization-specific signals to detect advanced email threats. For example, Abnormal stopped a $36M Vendor Email Compromise attack involving a lookalike domain (.cam) used to impersonate a trusted partner. The attack was flagged due to anomalies like newly registered domains, irregular language, and altered billing details.
    • Streamlined SOC Efficiency and Automation - Abnormals AI Security Mailbox automates the triage and remediation of user reported phishing emails, reducing SOC workloads by 95% while educating end users with personalized generative AI responses. By eliminating the 15 minutes typically required for SOC analysts to review each email, one of Abnormals customers saved an average of 1,721 SOC hours per month, equivalent to the capacity of 10.5 full time employees.
    • Seamless Deployment and Scalability - Abnormal integrates directly with Microsoft 365 and Google Workspace without requiring MX changes, ensuring rapid deployment and scalability for businesses of all sizes. By consolidating email security into a single platform, Abnormal eliminates the need for third party gateways like Proofpoint or Mimecast, with over 500 SEG replacements completed to date.

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    Abnormal - Cloud Email Security

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    Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
    Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator  to estimate your infrastructure costs.

    12-month contract (9)

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    Dimension
    Description
    Cost/12 months
    Misdirected Email Prevention
    MEP
    $1,000,000.00
    IES SP
    Inbound Email Security SP
    $1,000,000.00
    CORE ATO SP
    Core Account Takeover Protection SP
    $1,000,000.00
    AISM SP
    AI Security Mailbox SP
    $1,000,000.00
    EPR SP
    Email Productivity SP
    $1,000,000.00
    IES T3 SP
    Inbound Email Security T3 SP
    $1,000,000.00
    CORE ATO T3 SP
    Core Account Takeover Protection T3 SP
    $1,000,000.00
    AISM T3 SP
    AI Security Mailbox T3 SP
    $1,000,000.00
    EPR T3 SP
    Email Productivity T3 SP
    $1,000,000.00

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    Ratings and reviews

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    4.7
    96 ratings
    5 star
    4 star
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    1 star
    87%
    11%
    1%
    1%
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    0 AWS reviews
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    96 external reviews
    External reviews are from G2  and PeerSpot .
    Matthew P.

    Keeps My Inbox Clean with Smart Email Sorting

    Reviewed on Aug 27, 2026
    Review provided by G2
    What do you like best about the product?
    I appreciate the fact that it sorts your emails based on your preferences. This feature keeps my inbox cleaned up while allowing me to look at less pertinent emails easily and on my own time.
    What do you dislike about the product?
    It can be a distraction when it sorts emails into folders. For a split second, all emails show up in my main inbox before disappearing to their sorted folders. It takes some getting used to, and even at that it can be annoying.
    What problems is the product solving and how is that benefiting you?
    We use Abnormal AI as our email security program filtering out malicious and spam emails as well as sorting emails by potential importance. It's not just providing email security, it's also saving us time.
    Legal Services

    Virtually Zero-Touch Email Security That Learns as It Scans

    Reviewed on Aug 27, 2026
    Review provided by G2
    What do you like best about the product?
    It’s virtually zero-touch. You enable it, it scans your mailboxes and learns, and there’s very little you need to do beyond that—no real setup of policies, groups, definitions, or configuration. Catching even a single Business Email Compromise and we're getting our money's worth. with Abnormal AI since go live, its caught almost 7000!!
    What do you dislike about the product?
    There’s very little to dislike. The only drawback is that you need to keep monitoring for false positives, although I suppose that’s true of most automated email security systems.
    What problems is the product solving and how is that benefiting you?
    It helps plug gaps in our Mimecast solution, such as Business Email Compromise and VIP Targeted Threats. It also complements our Entra User Account Compromise coverage.
    Anonymous

    Effortless Setup, Room for Improvement in Threat Detection

    Reviewed on Aug 27, 2026
    Review provided by G2
    What do you like best about the product?
    I like that Abnormal AI allows smaller teams to manage threats with a more hands-off approach, saving time tuning models and reviewing phishing reports. The AI security mailbox is quite good, as we can direct reports there without our internal SOC intervention, saving us invaluable time. Integrating with KnowBe4's PAB and directing reports to the AI security mailbox allows users to report potentially malicious or spam emails for another analysis. I also appreciate the integrations with Rapid7 and Entra, which help detect account takeovers and take automated actions. The upcoming integration with Cyera will likely be invaluable. The initial setup of Abnormal AI was extremely easy.
    What do you dislike about the product?
    We've found that some quite basic attacks get past Abnormal AI, including BEC and VIP impersonation, which didn't happen before with Darktrace. The model improvements from the D360 team need to be more considered and holistic, as similar attacks continue to get through.
    What problems is the product solving and how is that benefiting you?
    Abnormal AI helps prevent and detect account takeovers, malicious mail, and spam without SOC intervention, automating reports. It saves us time since we don't manually review phish reports. The AI security mailbox is beneficial for a hands-off threat management approach, integrating well with other tools and reducing false negatives.
    Ethan W.

    Effortless Email Security with Abnormal AI

    Reviewed on Aug 27, 2026
    Review provided by G2
    What do you like best about the product?
    I like the ease of use of Abnormal AI and how it provides alerts when it monitors and finds something unusual in our environment. I also appreciate that it is not information intensive; we only need to provide minimal information initially, and it quickly learns and adapts to our environment. The initial setup was almost too easy, and I was pleased that nothing went wrong during the process.
    What do you dislike about the product?
    I find setting up the UI a bit cumbersome and it takes effort to get the dashboards to show the information I need.
    What problems is the product solving and how is that benefiting you?
    I appreciate that Abnormal AI reduces our need for a dedicated security team for data threats and provides ease of use with its alert system for abnormal activities.
    Scott D.

    Timesaver and protector

    Reviewed on Aug 25, 2026
    Review provided by G2
    What do you like best about the product?
    I like that I am protected by Abnormal and the Graymail addon has boosted the productivity of the office.
    What do you dislike about the product?
    Haven’t found anything yet to be upset about
    What problems is the product solving and how is that benefiting you?
    Protecting the business from malicious emails and improving productivity with Graymail.
    View all reviews