BladesDynamicDemoBlade

Finsmes logo

News

Security week logo

San francisco business times logo

Not all email scams are obvious, and Abnormal Security just announced that it has raised a $210 million Series C at a $4 billion valuation to help business weed out problematic messages more efficiently.

Abnormal Security rides Series C to $4B valuation in quest to secure business emails

Email security startup Abnormal Security announced today that it has reached a $4 billion valuation after raising $210 million in a Series C investment, which brings the total raised by the AI-focused cybersecurity company to $285 million.

Email Security Firm Abnormal Security Raises $210 Million at $4 Billion Valuation

Silicon angle logo

Help net security logo

Abnormal Security announced the close of a $210 million Series C round of financing led by global software investor Insight Partners, with participation from Greylock Partners and Menlo Ventures. With this round, the 4-year-old company is now valued at $4 billion.

Abnormal Security raises $200 million to provide email security solutions for businesses

Cybersecurity startup Abnormal Security Corp. is now valued at $4 billion after closing a $210 million funding round led by Insight Partners. The Series C round, which Abnormal Security announced today, also included the participation of Greylock Partners and Menlo Ventures. The investment brings the San Francisco-based startup’s total outside funding to more than $280 million.

Email security startup Abnormal Security raises $210M in funding

Homepage

Breadcrumbs

Abnormal AI provides advanced email security to prevent credential phishing, business email compromise, account takeover, and more.

Abnormal AI

Abnormal Security, a San Francisco, CA-based provider of an AI-based cloud-native email security platform, raised $210M in Series C funding at a $4 Billion valuation.

Abnormal Security Raises $210M in Series C; at a $4B Valuation

Abnormal Security, a San Francisco, CA-based provider of an AI-based cloud-native email security platform, raised $210M in Series C funding at a $4…

description

security, francisco, email, platform, abnormal, ca-based, provider, ai-based, cloud-native, raised, $210m, series, funding, billion, valuation

keywords

https://images.abnormalsecurity.com/production/images/press/finsmes-logo.png?w=1200&h=630&q=82&auto=format&fit=crop&dm=1652653546&s=d0019c5c71eef57159ebf03503453ca7

https://abnormal.ai/about/news/abnormal-security-raises-210m-in-series-c-at-a-4b-valuation

referrer

robots

twitter:card

twitter:creator

twitter:description

https://images.abnormalsecurity.com/production/images/press/finsmes-logo.png?w=800&h=418&q=82&auto=format&fit=crop&dm=1652653546&s=c6427b740522eeac54bf18e0dfb05644

twitter:image

twitter:image:alt

twitter:image:height

twitter:image:width

twitter:site

twitter:title

{"title":{"title":"Abnormal Security Raises $210M in Series C; at a $4B… | Abnormal AI"}}

Demo

Schedule a Demo

AI's Role in Cyber Defense

CNBC Disruptor 50: Abnormal Security

Generative AI Could Revolutionize Email—for Hackers

Ones to Watch in Tech

Email Subscribe

<p>Subscribe to our newsletter to receive updates on the latest attacks and new trends in the email threat landscape.</p>

Newsroom

Introducing Abnormal’s Biggest Product Release Yet

<p>Announcing Our Biggest Product Release Yet</p>

vs Mimecast

vs Avanan

Secondary CTA

Whether FormComplete is utilized on a form

FormComplete

CTA Display

What text is displayed on the primary CTA (see sheet for details on copy)

Primary CTA Text

Form Columns

chakra-ui-ChakraProvider

Button

EmbeddedVideo

EyebrowText

Footer

Screen

PrimaryCtaText

FormColumns

CtaDisplay

VsMimecast

SecondaryCta

VsAvanan

Abnormal Solutions

react-awesome-reveal

lottie-react

date-fns

plasmic-nav

react-scroll-parallax-global

plasmic-embed-css

Abnormal Pages

loading-boundary

plasmic-query

plasmic-basic-components

Abnormal Legal

Abnormal Why Abnormal

Abnormal Landing Pages

react-aria

plasmic-rich-components

Abnormal Partners

Abnormal Products

Abnormal Design System

Abnormal Marketing

antd5 hostless

react-slick

Gartner mq 4x

Analyst Research

Gartner names Abnormal a Leader in Email Security Platforms, placed furthest for Completeness of Vision.

Abnormal Named a Leader in 2024 Gartner® Magic Quadrant™

Email Security

B 1500x1500 MKT856 Aimpoint report 1

White Papers

Discover how replacing your SEG with Abnormal’s behavioral AI boosts protection, cuts costs, and reduces manual work—backed by real customer results.

The Unexpected Benefits of Replacing a Secure Email Gateway with Abnormal AI

Abnormal Platform

B 1500x1500 Aim Point SAT Awareness Survey Report

Discover why traditional SAT programs are falling short and how modern, AI-enhanced approaches reduce human risk and improve your security posture.

2025 State of Security Awareness Training

B Inside the AI Arms Race Malicious AI WP

Discover how attackers are abusing trusted AI tools and using malicious GPTs to scale cybercrime—and how to stay ahead of the threat.

Inside the AI Arms Race: How Cybercriminals Exploit Trusted Tools and Malicious GPTs

Generative AI

B H1 2025 Email Threat Report

Threat Reports

Learn how the malicious use of AI is amplifying the impact of BEC, VEC, and phishing attacks in our latest threat report.

H1 2025 - Adversarial AI: Attacker Innovation Escalates Advanced Email Threats

Abnormal Security Raises $210M in Series C; at a $4B Valuation

See How Abnormal AI Protects Humans