# Abnormal Security

Abnormal Security was founded in 2018

AI-powered email security platform protecting enterprises from business email compromise and phishing.

Canonical: https://uniquebase.ai/companies/abnormal-security
Stable identifier: UB-C1948
Snapshot captured: 2026-10-15T14:23:27.067Z
English updated: 2026-10-15T21:07:28.456Z

## Funding

Listed 2 records.
Latest: $250M (Series D), 2024-08-07.
Total raised (as reported): $250M, as of 2024-08-07.

- 2024-08-07 · $250M · Series D · Falcon Fund, Greylock Partners, Insight Partners, Menlo Ventures, Wellington Management · https://news.crunchbase.com/cybersecurity/startup-ai-abnormal-security-funding-wellington/
  > On 2024/8/7, CrunchBase reported that Abnormal Security, a US email security company, completed USD 250 million in Series D funding at a valuation of USD 5.1 billion. Annual recurring revenue exceeded USD 200 million, with annual growth remaining above 100%. The platform protects more than 2400 organizations, including multiple Fortune 500 companies. (translated source brief)
- 2024-08-06 · $250M · Series D · Wellington Management

## Valuation

Listed 2 records.
Latest: $5.1B (Series D), 2024-08-07.

- 2024-08-07 · $5.1B · Series D · Falcon Fund, Greylock Partners, Insight Partners, Menlo Ventures, Wellington Management · https://news.crunchbase.com/cybersecurity/startup-ai-abnormal-security-funding-wellington/
  > On 2024/8/7, CrunchBase reported that Abnormal Security, a US email security company, completed USD 250 million in Series D funding at a valuation of USD 5.1 billion. Annual recurring revenue exceeded USD 200 million, with annual growth remaining above 100%. The platform protects more than 2400 organizations, including multiple Fortune 500 companies. (translated source brief)
- 2024-08-06 · amount unavailable · Series D · Wellington Management

## Revenue

Listed 1 record.
Latest: $200M (Series D), 2024-08-07.

- 2024-08-07 · $200M · Series D · Falcon Fund, Greylock Partners, Insight Partners, Menlo Ventures, Wellington Management · https://news.crunchbase.com/cybersecurity/startup-ai-abnormal-security-funding-wellington/
  > On 2024/8/7, CrunchBase reported that Abnormal Security, a US email security company, completed USD 250 million in Series D funding at a valuation of USD 5.1 billion. Annual recurring revenue exceeded USD 200 million, with annual growth remaining above 100%. The platform protects more than 2400 organizations, including multiple Fortune 500 companies. (translated source brief)

## Team

- [Evan Reiser](/people/evan-reiser)

## Products

No published products profiles are linked yet.

## Investors

- [Falcon Fund](/institutions/falcon-fund)
- [Greylock Partners](/institutions/greylock-partners)
- [Insight Partners](/institutions/insight-partners)
- [Menlo Ventures](/institutions/menlo-ventures)
- [Wellington Management](/institutions/wellington-management)

## Sources

- No source links are available for this profile.