Abnormal Security

Company research

Public company, workplace, funding, and market signals

Updated Aug 5, 2026

Overview

Abnormal AI (formerly Abnormal Security) is a privately held, AI-native cybersecurity company founded to stop socially engineered attacks by modeling normal organizational behavior. Its cloud-native platform analyzes identity, relationship, content, and behavioral signals to detect and automatically stop novel attacks across email and connected enterprise applications. As of 2026-08-05, the company says it protects more than 4,500 organizations and over 25% of the Fortune 500.

Primary product

Abnormal Behavioral Security Platform: API-connected behavioral AI security for inbound email, business-email compromise, phishing, account takeover, messaging and cloud applications, with newer Identity Threat Protection, AI Governance, Infiltration Prevention, insider-threat, and AI Phishing Coach capabilities.

Founded

2018

Headquarters

Las Vegas, Nevada, United States (8474 Rozita Lee Avenue, Suite 420); historical and commercial materials also identify San Francisco as a major company location.

Team size

1,300+ (company careers page, 2026); third-party estimates range roughly 1,200–1,400.

Work style

Remote

Industry

Computer and network security

Sub-industry

Behavioral AI, cloud email security, identity threat protection, and enterprise cybersecurity

Offices

Las Vegas, Nevada, United States

San Francisco, California, United States

London, United Kingdom

Business model

B2B enterprise SaaS

Subscription security platform

Per-application/cloud security modules

Enterprise sales with role- and deployment-specific pricing

Funding

Stage

Late-stage private / Series D; generating revenue

Total raised

$546M

Latest round

Series D · Aug 2024

Latest amount

$250M

Series D

Aug 2024 · Wellington Management

$250M

Series C

May 2022

$210M

Series B

Nov 2020 · Menlo Ventures

$50M

Series A

Nov 2019 · Greylock Partners

$24M

Seed

Apr 2018 · Greylock Partners

People & investors

Leadership

Evan Reiser

Founder & CEO

Abhi Bagri

Chief Technology Officer

Lisa Banks

Chief Financial Officer

Kevin Moore

Chief Revenue Officer

Mike Britton

Chief Information Officer

John Slavitt

Chief Legal Officer

Lisa Wallace

Chief People & Transformation Officer

Jake Yount

SVP, Global Enterprise Sales

Kevin Wang

SVP, Engineering

Noah Rolff

VP, Customer Success

Keith Mokris

VP, Product and Content Marketing

Ryan Patel-Francis

VP, Revenue Marketing

Stephen Harrison

VP, Product, New Products

Founders

Sanjay Jeyakumar

Co-Founder; former CTO

Investors

Alkeon Capital Management

Andreessen Horowitz

Bridgespan VC

CrowdStrike Falcon Fund

Norwest Venture Partners

Sequoia Capital

The Syndicate Group

Wellington Management

Work & culture

The company describes its culture through VOICE values: Velocity, Ownership, Intellectual honesty, Customer obsession, and Excellence. It emphasizes AI-native operations, remote-first and asynchronous work, high standards, ownership, performance-based growth, and customer outcomes.

Work style

Remote

Compensation

Company materials say base pay is benchmarked against leading technology and cybersecurity companies and reviewed annually by role, level, and location. Roles may include bonus, equity/RSUs, and comprehensive benefits; specific ranges vary by geography and job.

Benefits

Remote-first work and work-from-home or hub/WeWork options

Async-by-default operating model

Healthcare calibrated to local market

Global parental leave

Four-year RSU vesting schedule

Additional equity opportunities for high impact

Annual compensation reviews

Performance-based sales incentives

Bonus or incentive compensation for eligible roles

Product & market

Pricing

Public list pricing was not found. Enterprise subscription pricing appears to be quote-based and dependent on users, protected applications, modules, and deployment scope.

Differentiators

—Behavioral baselining of normal human and organizational behavior rather than reliance primarily on static rules or signatures
—API-first cloud-native deployment without MX changes or endpoint agents
—Unified identity, relationship, content, and cloud-application signals
—Autonomous detection and remediation of novel socially engineered attacks
—Single platform spanning email, identity, AI governance, insider threat, and connected SaaS
—AI App Store intended to let customers activate additional products in one click

Technology

Behavioral AI and machine learning

Attune behavioral foundation model

Identity and relationship graphs

Multimodal signal analysis

Cloud-native API integrations

Microsoft 365

Google Workspace

Slack

Workday

Salesforce

ServiceNow

Zoom

Amazon Web Services

Python

TypeScript

React

PostgreSQL

MySQL

Redis

Customers

Maersk

Xerox

Mattel

Airbnb

Chipotle

Boohoo

More than 2,400 organizations reported in August 2024

More than 4,500 organizations reported in July 2026

25%+ of the Fortune 500

Competitors

Microsoft

Cloudflare

Palo Alto Networks

Zscaler

Proofpoint

Mimecast

Check Point/Avanan

CrowdStrike

SailPoint

Ping Identity

Scale & contact

Estimated revenue

$200M–$250M annual recurring revenue/revenue signal; company reported more than $200M ARR in August 2024. A current audited annual revenue figure was not found.

Latest news

Abnormal AI extends Behavioral Security Platform to Identity and AI Security

Abnormal AI · Jul 2026

Launched Identity Threat Protection, AI Governance, Infiltration Prevention, and the AI App Store; the company said the platform served more than 4,500 organizations.

Abnormal AI Expands Leadership Team to Advance Behavioral AI Platform

Abnormal AI · Apr 2026

Announced Stephen Harrison as VP Product, New Products; Noah Rolff as VP Customer Success; and John Slavitt as Chief Legal Officer.

Abnormal AI Delivers Behavioral Foundation Model to Combat the Era of AI-Driven Attacks

Business Wire · Mar 2026

Announced Attune 1.0, a multimodal behavioral foundation model trained on more than one billion derived behavioral signals and powering a reported 85% of detections.

Abnormal Security Announces $250 Million Series D at a $5.1B Valuation

Abnormal AI · Aug 2024

Wellington Management led the $250M round, bringing expected total proceeds to $546M and reported ARR above $200M.

New funding values email security firm Abnormal at more than $5 billion

CNBC · Aug 2024

Reported the $5.1B valuation, 2,400+ customers, more than $200M annualized revenue, and a potential future IPO subject to market conditions.

Open Positions

73 jobs at Abnormal Security

Enterprise Account Executive - Japan

Remote

Enterprise

Remote - Japan

Today

Remote

Full-time