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Abnormal - Cloud Email Security (EU)
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.
Reviews (86)
Information Technology and Services
Abnormal's AI-Driven Protection Reduces Manual Setup and Human Error
Reviewed on Jul 01, 2026
Review provided by G2
What do you like best about the product?
Abnormal provides AI driven protection which reduces the amount of manual configuration and potential human error
What do you dislike about the product?
There is a dependence on the AI being correct however it is possible to help align any mistakes
What problems is the product solving and how is that benefiting you?
Email security has become a major threat to most businesses, and Abnormal reduces the risks caused when employees make simple mistakes.
Devender K.
Innovative Company in Email Security
Reviewed on Jun 30, 2026
Review provided by G2
What do you like best about the product?
The most innovative company in email security.
What do you dislike about the product?
Sometimes feedback and implementation of requested features are slow. That can happen with an engineering-driven company focused on AI and ML, but it's not a dislike of their product.
What problems is the product solving and how is that benefiting you?
There was a lot of human intervention at each and every step of email security implementation. Abnormal Security resolved this through AI and ML support, helping to make quick decisions and reducing a great deal of time and manual investigation efforts across the implementation process.
Health, Wellness and Fitness
Abnormal's AI Delivers Fast, Powerful Automated Investigations
Reviewed on Jun 30, 2026
Review provided by G2
What do you like best about the product?
Abnormal has brought up considerable amount of AI in all of its products. This makes automated investigation extremely fast and powerful.
What do you dislike about the product?
Some automated features in Abnormal security lead to a large number of false positives and that's what I dislike the most
What problems is the product solving and how is that benefiting you?
Abnormal security has actually improved legitimate email communications and protection against impersonation has also become extremely powerful
Transportation/Trucking/Railroad
Reliable Added Protection Against Advanced Email Threats
Reviewed on May 21, 2026
Review provided by G2
What do you like best about the product?
It's an added layer or reliable protection against email threats.
What do you dislike about the product?
There's been quite a few incidents that got past the Abdormal contain and detection that was a big unnerving at times.
What problems is the product solving and how is that benefiting you?
It's helping us against advanced email and human‑targeted attacks.
Pratyush D.
Great UI/UX, Fast Website, and Really Good Answers
Reviewed on May 19, 2026
Review provided by G2
What do you like best about the product?
I think the UI/UX is great, especially considering what you’d expect from the newest technology. The website was fast and worked well overall. The answers were also really good.
What do you dislike about the product?
I haven’t been able to find it yet. I’ll keep looking through the other reviews and also check the website.
What problems is the product solving and how is that benefiting you?
I have used demo. Not the actual version.
Roberto G.
Flawless Protection with Insightful Reporting
Reviewed on May 14, 2026
Review provided by G2
What do you like best about the product?
I love that Abnormal AI has a 100% success rate in finding all sorts of attacks, including scams, phishing, social engineering, malware, reconnaissance, spam, and invoice/payment fraud. Our organization has sustained no materialized intrusions via the email threat vector since implementation. I appreciate the platform's ability to provide a nice description of every attack in the threat log and give great insight into what is actually being prevented. Abby, the AI analyst included in the platform, creates custom reports which have been very beneficial. The integration with Microsoft O365 and CrowdStrike has been seamless. I also like that the initial setup of Abnormal AI was very easy, taking only about 5 minutes.
What do you dislike about the product?
The settings area could be a bit more user-friendly for those who have multiple tenants.
What problems is the product solving and how is that benefiting you?
I use Abnormal AI for advanced email threat protection and productivity. It protects against a variety of attacks, reduces inbox clutter, and provides insightful reports, maintaining a 100% success rate.
Kurt G.
Transforms Phishing Defense with Ease and Excellence
Reviewed on May 11, 2026
Review provided by G2
What do you like best about the product?
Because we are a target from nation-state bad actors, we appreciate how Abnormal AI works extremely well and has had a tremendous impact on plugging our phishing vulnerability, saving the security team countless hours per week. The product gives us visibility into sophisticated phishing campaigns that previously we would at times discover too late. We truly appreciate the top-notch sales and support teams and how little we have to do in this area now that Abnormal AI is in the loop. The Email Productivity and Phishing Simulation modules are beneficial as they help reduce spam and educate our users, respectively. The setup was extremely easy; the wizard approach guides you, and the Abnormal AI team provides great support, getting us up and running in minutes.
What do you dislike about the product?
We hear that the phishing training videos will be augmented with additional content. Right now, they are a little weak in this area, but we liked the main product so well, that we opted to proceed with Abnormal trusting that they will quickly round out this product.
What problems is the product solving and how is that benefiting you?
Abnormal AI significantly reduces sophisticated phishing vulnerabilities and saves our security team countless hours weekly. It enhances email productivity by reducing spam and uses phishing simulations to educate users.
Mathew E.
Exceptional Email Threat Protection with Ease
Reviewed on May 10, 2026
Review provided by G2
What do you like best about the product?
I like that Abnormal AI is simple and does exactly what it said it would do. I find the protection and the Admin tools valuable, as well as the ease of management. I also appreciate the feedback we can provide to users to improve their security knowledge. The initial setup was very simple.
What do you dislike about the product?
I like everything.
What problems is the product solving and how is that benefiting you?
Abnormal AI protects against email threats, stopping high-risk and sophisticated threats that traditional protection misses.
Ed P.
Effortless Setup, Essential Security
Reviewed on May 08, 2026
Review provided by G2
What do you like best about the product?
I like Abnormal AI for its ease of use, easy setup, and easy-to-read results.
What do you dislike about the product?
Would be cool to have a direct reporting icon in outlook
What problems is the product solving and how is that benefiting you?
I use Abnormal AI to stop suspicious emails like phishing and BEC, and it informs our users about what to look for in suspicious emails.
Michael F.
Effective Defense Against Phishing and Account Takeovers
Reviewed on Apr 28, 2026
Review provided by G2
What do you like best about the product?
I like how Abnormal AI helped us with account takeovers, allowing us to see them and automatically stop them to secure user accounts. It's also great at helping us with spam, junk, and gray mail. I appreciate that it monitors account logins and takes security measures if it detects anything abnormal, like locking the user account and alerting the admins, which allows us to remediate it automatically. The initial setup was very easy, and every time we've added a feature, it's been super easy. The support has been great with them.
What do you dislike about the product?
The AI reading of the emails sometimes has small issues, but very, very, very rarely. Otherwise, it's perfect the way it is.
What problems is the product solving and how is that benefiting you?
Abnormal AI stops phishing attempts and account takeovers, securing user accounts. It helps with spam, junk, and gray mail. It monitors logins, locks suspicious accounts, alerts admins, and allows automatic remediation by having users change passwords to secure accounts.