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Abnormal Security

🔥 HOT
Updated Mar 24, 2026

A deep look at Abnormal Security's finances, team, and market position in the AI Security space.

🇺🇸United StatesSeries DAI Security

Out of 100

🇺🇸

HQ

United States

🗓

Founded

2018

💰

Raised

$546M

🏷️

Stage

Series D

👥

Team

650

Abnormal Security is an AI-focused cybersecurity company founded in 2018 that specializes in email and cloud security. The company develops AI-powered threat detection systems designed to identify and prevent advanced email attacks, including phishing, business email compromise (BEC), and account takeover attempts. Its core platform uses behavioral AI and machine learning to analyze communication

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Key Facts

  • Abnormal Security is valued at $5.1B as of March 2026.
  • Abnormal Security has raised a total of $546M in disclosed funding across 4 funding rounds.
  • Abnormal Security was founded in 2018 by Evan Reiser and is headquartered in United States.
  • Abnormal Security employs approximately 650 people.
  • Abnormal Security operates in the AI Security category and is currently at the Series D stage.
  • Abnormal Security has an Awaira Score of 80/100, ranking it among the highly notable AI companies on Awaira.
  • Abnormal Security's most recent funding round was a Series D of $250M closed in August 2024, led by ICONIQ Growth.

Source: Awaira · Updated Mar 24, 2026

$5.1B

Post-money

$546M

All rounds

80/100

2018

650 employees

Strengths

Unicorn status with $5.1B valuation

Elite Awaira Score of 80/100

Growing team of 650 employees

Analysis based on publicly available data. Not investment advice.

4

Total Rounds

$135M

Avg Round Size

4.5yr

Funding Span

Abnormal Security raised 4 rounds over 4.5 years, averaging $135M per round — a pace of roughly one round every 14 months.

⚠️ ESTIMATE
💵Est. Annual Revenue
$50M–$500M estimated ARR

Awaira estimate based on public data. Not financial advice.

How does Abnormal Security stack up against competitors?

MetricAbnormal SecuritySocureWizAnduril
Awaira Score80/10095/10095/10092/100
Total Raised$546M$750M$1.9B$8.2B
Valuation$5.1B$4.5B$32B$30.5B
StageSeries DSeries EAcquiredSeries G
Founded2018201220202017
Employees650500-100012504,000
Country🇺🇸🇺🇸🇮🇱🇺🇸
E

Evan Reiser

Founder & CEO

View founder profile →
StageSeries D
Employees650
Country🇺🇸 United States
Connect
Quiet
4 rounds
Series DLatest

Led by ICONIQ Growth

$250M

Aug 2024

Series C

Led by Sequoia Capital

$210M

May 2022

Series B

Accel, Sequoia Capital

$50M

Nov 2020

Series A

Led by Sequoia Capital

$30M

Mar 2020

Frequently Asked Questions

What is Abnormal Security's valuation?
As of its latest round, Abnormal Security carries a valuation of $5.1B.
Who invested in Abnormal Security?
The investor list includes ICONIQ Growth, Sequoia Capital, Accel, Iconiq Capital, Salesforce Ventures, Menlo Ventures — a mix that reflects confidence in the AI Security business.
When did Abnormal Security last raise funding?
Capital was most recently raised through a Series D of $250M in August 2024. The round was led by ICONIQ Growth.
How many employees does Abnormal Security have?
Around 650 people work there, with headquarters in United States.
What does Abnormal Security do?
Abnormal Security is an AI-focused cybersecurity company founded in 2018 that specializes in email and cloud security. The company develops AI-powered threat detection systems designed to identify and prevent advanced email attacks, including phishing, business email compromise (BEC), and account takeover attempts. Founded in 2018, Abnormal Security is categorized under AI Security.
Who founded Abnormal Security?
Behind the company is Evan Reiser, who got it off the ground in 2018 in United States. Evan Reiser serves as Founder & CEO.
Is Abnormal Security profitable?
There's no public reporting on profitability. With raised $546M in total funding, the company remains at the Series D stage.
Where is Abnormal Security headquartered?
Based in United States 🇺🇸, the company runs its operations in the AI Security space and was established in 2018.
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