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Polygraf
Austin, US · Founded 2021 · Delaware corporation · 30 employees on LinkedIn · 6 known investors
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Polygraf AI provides an inline data-governance and security platform that enforces organizational AI policies in real time, removing PII, secrets, and regulated content from prompts before they reach external LLMs and restoring it afterward. It also detects AI-generated content, synthetic voices, and prompt-injection attacks, offering enterprises visibility and control over Shadow AI across tools like email, Slack, and cloud file services.
Also known as Polygraf AI
Founders & leadership
Polygraf was founded in 2021 by Yagub Rahimov.
Investors · 6
How we know: funding news · press coverage · av.vc · Not right? Tell us
How we know: DOMiNO Ventures's portfolio page · press coverage · Not right? Tell us
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How we know: funding news · press coverage · Not right? Tell us
How we know: a partner's Signal profile · board seat on SEC Form D · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$10.9M disclosed across 2 rounds · 2022–2025
▶$9MraisedOct 2025 · 28 investors · Other TechnologyRule 506(b)
- Vignesh KarumbayaExecutive Officer, Director
- Michael AielloDirector
- Spencer TallDirector
- Yagub RahimovExecutive Officer, Director
- Offering amount
- $9.5M
- Amount sold
- $9M
- First sale
- Sep 2025
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$1.9MraisedDec 2024 · 25 investors · Other TechnologyRule 506(b)
- Yagub RahimovExecutive Officer, Director
- Vignesh KarumbayaExecutive Officer, Director
- Amount sold
- $1.9M
- Minimum investment
- $1
- First sale
- Apr 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Related companies · 6
Companies working in the same space as Polygraf.
Legal entities · 1
corporate structureIn the news
Frequently asked questions
- What does Polygraf do?
- Polygraf AI provides an inline data-governance and security platform that enforces organizational AI policies in real time, removing PII, secrets, and regulated content from prompts before they reach external LLMs and restoring it afterward. It also detects AI-generated content, synthetic voices, and prompt-injection attacks, offering enterprises visibility and control over Shadow AI across tools like email, Slack, and cloud file services.
- Who founded Polygraf?
- Polygraf was founded by Yagub Rahimov in 2021.
- Who are Polygraf's investors?
- Polygraf's investors include Alumni Ventures, DOMiNO Ventures, Gaingels, Machina Ventures, ALLEGIS CAPITAL, AllegisCyber Capital.
- How much funding has Polygraf raised?
- Polygraf has disclosed $10.9M raised across 2 rounds.
- Where is Polygraf headquartered?
- Polygraf is headquartered in Austin, US.