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Abnormal AI's Overview

Total employees1109
HeadquartersSan Francisco
Founded

Abnormal Security is a pioneering cybersecurity company that leverages artificial intelligence (AI) and behavioral data science to protect organizations from the most sophisticated email-borne attacks. Their platform focuses on stopping socially-engineered and targeted threats like business email compromise (BEC), vendor email compromise (VEC), account takeovers, and credential phishing. By analyzing identity, behavior, and content, Abnormal Security provides a cloud-native solution that integrates seamlessly with platforms like Microsoft 365 and Google Workspace to detect anomalies and prevent attacks that traditional security solutions often miss.

Where is Abnormal AI's Headquarters?

HQ Function

The San Francisco headquarters serves as the primary hub for executive leadership, research and development, core engineering, product management, marketing, sales operations, and corporate functions.

Notable Features:

Located in a prominent downtown San Francisco building, the office likely features modern design elements, collaborative workspaces, and amenities conducive to a high-tech work environment. Specific architectural details are proprietary.

Work Culture:

The work culture at Abnormal Security's HQ is characterized by innovation, collaboration, and a fast-paced environment typical of a high-growth technology startup. There's a strong emphasis on solving complex cybersecurity challenges and a customer-first approach.

HQ Significance:

Its location in San Francisco provides strategic advantages, including access to a rich talent pool from leading universities and tech companies, proximity to venture capital, and a vibrant ecosystem for partnerships and industry events.

Values Reflected in HQ: The headquarters likely reflects Abnormal Security's core values such as innovation, customer obsession, velocity, and integrity, through its design, technology infrastructure, and collaborative environment.

Location:

Abnormal Security supports a global customer base with dedicated teams and operations across North America, Europe, the Middle East, Africa (EMEA), and the Asia-Pacific (APAC) region. While key physical offices are established in strategic locations like San Francisco, London, Singapore, and Plano, their cloud-native platform architecture allows them to deliver their AI-powered security solutions to organizations worldwide. They also leverage a distributed workforce model to ensure comprehensive global coverage for sales, customer support, and threat intelligence.

Street Address:

180 Sansome St, Floor 6

City:

San Francisco

State/Province:

CA

Country:

USA

Abnormal AI's Global Presence

London, United Kingdom

Address: Specific street address may vary; generally located in central London to serve the EMEA region.

To provide localized support, build regional partnerships, and drive business growth across the diverse markets within EMEA.

Singapore

Address: Specific street address may vary; strategically located to serve the Asia-Pacific (APAC) region.

To establish and grow Abnormal Security's footprint in the APAC region, catering to the increasing demand for advanced email security solutions.

Plano, Texas, USA

Address: Specific street address may vary.

To tap into the talent pool in the Dallas-Fort Worth metroplex and expand operational capabilities within the United States.

Buying Intent Signals for Abnormal AI

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Abnormal AI

As of April 2025, Abnormal AI' leadership includes:

Evan Reiser - Co-Founder & Chief Executive Officer
Sanjay Jeyakumar - Co-Founder & Chief Technology Officer
Rami Essaid - Chief Product & Strategy Officer
Kevin Moore - Chief Financial Officer
Mike Tierney - Chief Revenue Officer
Maya Marcus - Chief People Officer
Jeff True - Chief Marketing Officer
John D'Emilio - SVP, Global Sales

Investors of Abnormal AI

Abnormal AI has been backed by several prominent investors over the years, including:

Menlo Ventures
Greylock Partners
Insight Partners
CrowdStrike Falcon Fund
IVP (Institutional Venture Partners)

Executive New Hires/Exits in the Last 12 Months

Hire2
Exits0

Abnormal Security has continued to strengthen its leadership team to support its rapid growth and market expansion. Notable appointments in the past year or so have focused on scaling finance, people operations, and go-to-market strategies.

New Appointments:

Kevin Moore, Kevin Moore was appointed as the new Chief Financial Officer, bringing significant experience in scaling high-growth technology companies.
Michael DeCesare, Michael DeCesare's appointment to the Board of Directors adds valuable expertise in cybersecurity and enterprise software.

Technology (Tech Stack) used by Abnormal AI

Discover the tools Abnormal AI uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Abnormal AI Email Formats and Examples

Abnormal Security commonly uses the [first_initial][last]@abnormalsecurity.com email format. Another possible, though less frequently observed, format is [first].[last]@abnormalsecurity.com. For example, an employee named Jane Doe might have an email address like jdoe@abnormalsecurity.com.

flast@abnormalsecurity.com (e.g., jdoe@abnormalsecurity.com) or first.last@abnormalsecurity.com (e.g. jane.doe@abnormalsecurity.com)

Format

jdoe@abnormalsecurity.com

Example

85%

Success rate

News and media

Abnormal Security BlogFebruary 7, 2024

Abnormal Security Q4 2023 BEC Report Shows Invoice and Payment Fraud Attacks Double

Abnormal Security's latest quarterly report highlights a significant increase in invoice and payment fraud attacks, with BEC attacks nearly doubling in the last six months of 2023. The report details evolving tactics and the financial impact of these threats....more

PRNewswireOctober 26, 2023

Abnormal Security Unveils Latest AI-Powered Innovations to Stop the Widest Range of Email and Collaboration Platform Attacks

Abnormal Security announced significant enhancements to its AI-powered security platform, introducing new capabilities to protect against a broader spectrum of attacks across email and collaboration tools like Slack, Microsoft Teams, and Zoom....more

CRNAugust 9, 2023

Abnormal Security CEO Evan Reiser On Generative AI And The Channel

Evan Reiser, CEO of Abnormal Security, discussed the impact of generative AI on both offensive and defensive cybersecurity, and how the company is leveraging AI to combat increasingly sophisticated attacks, along with its channel strategy....more

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