Phosphorus Cybersecurity
Nashville, US · Delaware corporation · 6 known investors
Phosphorus provides a cybersecurity remediation platform for Internet of Things (xIoT) devices in enterprise environments, offering visibility, patching, and compliance capabilities that integrate with existing security tools. The platform targets enterprises seeking to secure IoT devices that increasingly outnumber traditional endpoints in their infrastructure.
Founders & leadership

Board
Investors · 6
Reported raises · per SEC filings
Form D private placements$27M disclosed across 1 round · 2023
▶$27MraisedDec 2023 · 5 investors · Other TechnologyRule 506(b)
- JR SmithDirector
- Christopher RoulandExecutive Officer, Director
- Earle AdyExecutive Officer, Director
- Charles AndrosDirector
- Arthur Coviello, Jr.Director
- Martin LeRoyExecutive Officer
- Offering amount
- $27.5M
- Amount sold
- $27M
- First sale
- Dec 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 3
by search overlapCompanies competing with Phosphorus Cybersecurity for the same Google search keywords, organic and paid, via search-intersection analysis.
Non-dilutive funding · 2 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| U.S. Air ForceAir Force | Phase I | 2021 | $48.5K |
| U.S. Air ForceAir Force | Phase I | 2020 | $50K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
In the news
Frequently asked questions
- What does Phosphorus Cybersecurity do?
- Phosphorus provides a cybersecurity remediation platform for Internet of Things (xIoT) devices in enterprise environments, offering visibility, patching, and compliance capabilities that integrate with existing security tools. The platform targets enterprises seeking to secure IoT devices that increasingly outnumber traditional endpoints in their infrastructure.
- Who founded Phosphorus Cybersecurity?
- Phosphorus Cybersecurity was founded by Christopher Rouland, Chris Rouland.
- Who are Phosphorus Cybersecurity's investors?
- Phosphorus Cybersecurity's investors include Evolution Equity Partners, FirstMark Capital, MassMutual Ventures, Neva Sgr., Syn Ventures Seed Management Llc, SYN Ventures.
- How much funding has Phosphorus Cybersecurity raised?
- Phosphorus Cybersecurity has disclosed $27M raised across 1 round.
- Where is Phosphorus Cybersecurity headquartered?
- Phosphorus Cybersecurity is headquartered in Nashville, US.




