

Abnormal Security
By Abnormal Security Corp.
Abnormal Security is a California-based company specializing in cloud-native email security solutions. The company leverages AI-based behavioral data science to detect and prevent sophisticated email threats, including phishing, malware, ransomware, social engineering, and supply chain compromise attacks. Abnormal Security's platform integrates with cloud email platforms like Microsoft 365 and Google Workspace via APIs, providing real-time threat detection and automation capabilities.
Abnormal Security was founded in 2018 by Evan Reiser and Sanjay Jeyakumar, both of whom have backgrounds in marketing and technology. Reiser previously founded companies like Bloomspot and AdStack, which were acquired by JP Morgan and Twitter, respectively. The founders recognized the need for advanced email security solutions after conducting extensive research with Fortune 500 CIOs and CISOs, who highlighted the challenges posed by socially engineered email attacks. By 2023, Abnormal Security had reached $100 million in annual recurring revenue and served over 2,400 customers.
While specific funding details are not available, Abnormal Security's core product is its inbound email security platform, which uses AI to analyze tens of thousands of unique signals to detect anomalies in email messages. Key features include:
Behavioral Anomaly Detection: Identifies and blocks never-before-seen attacks by analyzing user behavior and email content.
API Integration: Seamlessly integrates with cloud email platforms and security tools like Okta and Crowdstrike.
Knowledge Bases: Includes PeopleBase, VendorBase, AppBase, and TenantBase, providing detailed insights into user activity and vendor risk.
While specific funding details are not available, Abnormal Security's core product is its inbound email security platform, which uses AI to analyze tens of thousands of unique signals to detect anomalies in email messages. Key features include:
Behavioral Anomaly Detection: Identifies and blocks never-before-seen attacks by analyzing user behavior and email content.
API Integration: Seamlessly integrates with cloud email platforms and security tools like Okta and Crowdstrike.
Knowledge Bases: Includes PeopleBase, VendorBase, AppBase, and TenantBase, providing detailed insights into user activity and vendor risk.
There is no information available about Abnormal Security making acquisitions. However, the company continues to expand its product offerings by enhancing its AI capabilities and integrating with more cloud services.
Abnormal Security is working towards fully autonomous AI security operations, aiming to extend its platform with AI agents capable of superhuman detection, response, and collaboration. This vision aligns with its mission to protect humans from cybercrime through advanced AI technologies.
Abnormal Security emphasizes an unconventional approach to cybersecurity, believing that AI should handle 90% of cybersecurity tasks, allowing humans to focus on strategy and innovation. The company values innovation, customer satisfaction, and the application of AI to solve complex cybersecurity challenges. It is a team of experts in AI and cybersecurity, augmented by AI agents, dedicated to protecting humans everywhere they operate and interact.
Abnormal Security serves over 3,000 organizations, including 20% of the Fortune 500 companies. Its user base includes a wide range of industries, from healthcare and finance to logistics and technology. The company's community is supported by its responsive customer service and continuous engagement with cybersecurity professionals to improve its offerings and address emerging threats.