Fundraising Fox

Reality Defender

YC W22

New York City, US · Founded 2021 · Delaware corporation · 54 employees · Hiring · 19 known investors

Reality Defender develops an AI platform for detecting deepfakes and synthetic media, serving enterprise organizations to prevent fraud and impersonation. The company offers multimodal detection capabilities through an API and SDK for developers.

Founders & leadership· Y Combinator alumni (W22)

Reality Defender was founded in 2021 by Ben Colman, Gaurav Bharaj, Ali Shahriyari, and Lars Buttler.

BCBen Colman
Ben ColmaninCEO & Co-FounderBen Colman is CEO and co-founder of Reality Defender, which develops an AI platform for detecting deepfakes and synthetic media.
GB
Gaurav BharajCo-founder
AS
Ali ShahriyariCo-founder
LB
Lars ButtlerFounder
MF
Milos FultonExecutive

Board

ARAlexander Ross
Alexander Rossin𝕏Investor/Board DirectorGeneral Partner & Head of New York at Illuminate Financial
ATAli Tamaseb
Ali Tamasebin𝕏Investor - Board DirectorGeneral Partner at DCVC (Data Collective)

Investors · 19

Also in the syndicate · 4

AccentureComcastNat Friedman’s AI GrantThe Partnership Fund for New York City

Reported raises · per SEC filings

Form D private placements

$36.9M disclosed across 2 rounds · 2023–2024

$17.5MraisedOct 2024 · 12 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Benjamin ColmanExecutive Officer, Director
  • Alexander RossDirector
  • Ali TamasebDirector
  • Ali ShahriyariDirector
  • Milos FultonExecutive Officer
Offering amount
$24.5M
Amount sold
$17.5M
First sale
Aug 2024
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$19.4MraisedOct 2023 · 32 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Ali ShahriyariDirector
  • Ali TamasebDirector
  • Benjamin ColmanExecutive Officer, Director
Offering amount
$20.1M
Amount sold
$19.4M
First sale
Sep 2023
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Company profile

researched Aug 2026

Reality Defender develops deepfake detection technology aimed at enterprises, platforms and institutions, identifying AI-generated and manipulated media in real time across communication channels. The company positions its product as an "enterprise authenticity layer" that screens synthetic media before it can be used to authorize payments, spread false information publicly, or cause automated agents to act on manipulated inputs.

Coverage spans multiple modalities and channels, including contact center security, access security and fraud prevention, secure video conferencing, and brand and executive protection. Named use cases include call center fraud, video conferencing user verification, know-your-customer checks, identity and access management, recruiting and onboarding, and executive impersonation defense.

Business model

Reality Defender sells detection capabilities to organizations, offering turnkey integrations with everyday applications alongside advanced deployments for sensitive environments, and exposes its models to developers through an API and SDKs. A free tier provides 50 audio or image scans per month, with enterprise engagement handled through direct contact.

Traction

Recognition includes the SINET16 Innovator Award in October 2024, the RSA Conference Innovation Sandbox "Most Innovative Startup" award in April 2025, and Gartner coverage in December 2025. In June 2026, ZeroFox integrated Reality Defender's deepfake detection into its threat protection platform.

Latest developments

In June 2026, ZeroFox integrated Reality Defender's deepfake detection into its external threat protection platform. In July 2026, the company published research on emerging agentic AI voice threats, and its leadership was featured in press coverage on executive views of agentic AI. In December 2025, the company highlighted its placement in Gartner's deepfake detection emerging market analysis.

Full profile — market position, technology, go-to-market

Market position

Reality Defender is described as a vendor in the deepfake detection market and is included in Gartner's Emerging Market Quadrant for Deepfake Detection — Startup Vendors (as of June 2026). It has received the SINET16 Innovator Award (2024) and the "Most Innovative Startup" award at the RSA Conference Innovation Sandbox (2025).

Technology

The platform uses an ensemble of blended detection models applied simultaneously across hundreds of platform-agnostic techniques, designed to be content- and platform-independent and to cover a wide array of media types. Models are described as continuously tested and updated to keep pace with new generative techniques, and detection runs in real time within existing enterprise systems.

Go-to-market

Direct enterprise sales motion ("Get in Touch" and solution-led pages) combined with a self-serve developer path via a free API tier and SDK documentation, supported by press coverage, analyst recognition and industry awards.

Financial institutions, government agencies and enterprises seeking to protect critical communication channels, plus platforms and developers integrating detection via API and SDK.

Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Free tier scan allowanceJan 202650 audio or image scans per month

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Images

Reality Defender photo

Founder mafia

4 people who came through Reality Defender went on to found or lead other companies.

Competitors · 4

by search overlap

Companies competing with Reality Defender for the same Google search keywords, organic and paid, via search-intersection analysis.

Timeline · 4

launches, deals, and filings
Jun 2026
ZeroFox integrates Reality Defender deepfake detection into its threat protection platform

source ↗

Dec 2025
Recognized by Gartner in Emerging Market Quadrant for Deepfake Detection — Startup Vendors

Company post states Reality Defender was recognized by Gartner as a market shaper in deepfake detection; the referenced Emerging Market Quadrant is dated as of June 2026.

source ↗

Apr 2025
Wins "Most Innovative Startup" at RSA Conference Innovation Sandbox

source ↗

Oct 2024
Wins SINET16 Innovator Award

source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

Legal entities · 1

corporate structure
Reality DefenderDelaware

In the news

Research sources · 1

primary sources listed

1 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Reality Defender do?
Reality Defender provides enterprise deepfake and AI-generated media detection across audio, image, video and text channels.
Who founded Reality Defender?
Reality Defender was founded by Ben Colman, Gaurav Bharaj, Ali Shahriyari, Lars Buttler in 2021.
Who are Reality Defender's investors?
Reality Defender's investors include Amino Capital, Argon Ventures, Booz Allen Ventures, DCVC (Data Collective), Evolution VC Partners, Ex/Ante, FPV, Fusion and 7 more.
How much funding has Reality Defender raised?
Reality Defender has disclosed $36.9M raised across 2 rounds.
Where is Reality Defender headquartered?
Reality Defender is headquartered in New York City, US.