
Abnormal Security
Cloud-based solution offering advanced email protection against phishing, fraud, and other threats.

Overview
Advanced Cloud Email Security with Abnormal
Abnormal Security is a cutting-edge cloud email protection platform designed to thwart a wide range of email threats, including credential phishing, business email compromise, supply chain fraud, and more. Leveraging the power of behavioral AI, Abnormal offers a comprehensive suite of tools that not only block inbound email attacks but also provide insights into high-risk configuration changes, automate the triage and remediation of user-reported emails, and offer protection against account takeovers and third-party application threats.
Key Features:
- Inbound Email Security: Blocks targeted inbound email attacks, including credential phishing, business email compromise, and supply chain fraud.
- Email Account Takeover Protection: Stops account takeovers and attacks via third-party applications.
- Email Security Posture Management: Provides alerts on high-risk configuration changes to users, apps, and mail tenants.
- Email Security Operations: Automates the triage and remediation of user-reported emails.
Ideal Use Case:
Organizations, ranging from small businesses to Fortune 500 companies, looking to bolster their email security infrastructure and protect against advanced email threats. Especially beneficial for enterprises using cloud-based email solutions and seeking to prevent business email compromise, invoice order fraud, and other sophisticated email attacks.
Why use Abnormal Security:
- Comprehensive Protection: Offers a wide range of tools to protect against both inbound and outbound threats.
- Behavioral AI Engine: Uses advanced AI to detect and prevent threats based on user behavior and communication patterns.
- Cost-Effective: Eliminates the need for redundant secure email gateways, optimizing resources and reducing costs.
- Future-Proof: Designed to protect against emerging threats in email-like applications.
FAQ
What does Abnormal Security do? Abnormal Security is a cloud-based email protection platform that defends against phishing attacks, fraud, and other email-based threats using advanced detection technology.
Who should consider using Abnormal Security? Organizations looking to strengthen their email security posture and protect employees from sophisticated phishing and fraud campaigns would benefit from Abnormal Security's threat prevention capabilities.
What is the pricing model for Abnormal Security? Abnormal Security operates on a paid pricing model. Visit the Abnormal Security pricing page for current plans and to request a quote tailored to your organization's needs.
How does Abnormal Security compare to similar tools? Abnormal Security competes in the email security space alongside alternatives like Nightfall AI, Rubrik, and CrowdStrike, each offering different approaches to protecting organizations from email-based threats.
tl;dr:
Abnormal Security provides a robust cloud email protection platform, leveraging behavioral AI to detect and prevent a wide range of threats. It offers comprehensive tools for both inbound and outbound security, ensuring organizations are safeguarded against current and future email threats.
Related
Looking for more options? Browse the Security & Governance directory or read our best AI security tools listicle. Abnormal Security is also tracked on Crunchbase.
Why Use Abnormal Security

Editorial Review
Our take on Abnormal Security.

Behavioral email security that catches what signature-based tools miss, but pricing opacity and sales-process friction are real friction points.
What works
- Behavioral detection catches phishing signature tools miss
- High community satisfaction (4.92 rating from active users)
- Cloud-native, no heavy on-prem infrastructure needed
What doesn't
- Pricing requires sales call; likely expensive for smaller teams
- Crowded market with stronger brand alternatives (CrowdStrike)
Abnormal Security takes a behavioral approach to email threats—phishing, BEC, credential harvesting—rather than relying on signatures or static rules. The community rating (4.92) suggests real users find value in its detection accuracy. The catch: you're buying into a sales-driven model where you have to call for pricing, which typically signals enterprise-only positioning and potentially steep costs for smaller operations. The tool sits in a crowded market (Nightfall, CrowdStrike, Rubrik all doing variants of this) and without public benchmarks or transparent pricing, it's hard to gauge whether you're paying for genuinely differentiated AI or just the sales overhead. For teams already embedded in a Microsoft or Google ecosystem, the integration story matters—the user base seems satisfied, but that 4.92 rating doesn't tell you if you'd feel the same after month three when the novelty wears off and you're managing another security vendor.
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