About Phosphorus
Phosphorus is a Technology company based in Carlsbad (United States) founded in 2016 by Earle Ady and Chris Rouland, and was acquired by Dragos in June 2026. Provider of IoT devices security systems. Phosphorus has raised $65 million across 2 funding rounds from investors including Dragos, Evolution Equity Partners and SYN Ventures. Its chief executive, as recorded, is Chris Rouland. Phosphorus offers products and services including Intelligent Active Discovery, Risk Assessment, Password Management, and Patch Management. Its focus areas include High Tech, Internet of Things Infrastructure, IoT Security and Device Security. Its competitors include Armis Security, Ordr and SandboxAQ; 3 of its 3 listed competitors have raised funding.
Company details
Phosphorus was founded in 2016 and is based in Carlsbad, United States. Security systems for IoT devices are offered, including an application that supports agent-less software updates and alerts. This application is available on Android and iOS platforms. Operations focus on sectors such as manufacturing, industrial IoT, healthcare, and data centers, where device protection is ensured without additional agents.
- Headquarters Carlsbad, United States
- Founders Earle Ady, Chris Rouland
- Stage Acquired
- SectorsTechnology
- Website category Computers Electronics and Technology · Computer Security
- Email••••••••
- Website phosphorus.io
- Social LinkedIn X YouTube
- Acquired by Dragos (Jun 2026)
Products & Services of Phosphorus
Phosphorus offers a comprehensive portfolio of products and services, including Intelligent Active Discovery, Risk Assessment, Password Management, and Patch Management.
Safely discovers and assesses xIoT devices for risks.
Evaluates the state of IoT devices during interrogation processes.
Proactively updates and rotates credentials for devices.
Remediates vulnerabilities at scale for xIoT systems.
Apps and channels of Phosphorus
its YouTube channel Phosphorus Cybersecurity Inc. has 429 subscribers and 30 videos.
Videos from Phosphorus
The most watched videos on Phosphorus's YouTube channel, Phosphorus Cybersecurity Inc. (429 subscribers). Click a video to play it here.
More on Phosphorus Cybersecurity Inc..
Funding Insights of Phosphorus
Phosphorus has successfully raised a total of $65M across 2 strategic funding rounds. The most recent funding activity was a Series A round of $27 million completed in December 2023. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $65M
- Total Rounds 2
- Last Round Series A — $27M
- First Round $38M
(Feb 2022)
- Investors Count 5
All 2 funding rounds of Phosphorus with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Dec 2023 | $27M | Series A | – | Evolution Equity Partners | – |
| Feb 2022 | $38M | Series A | – | SYN Ventures, MassMutual Ventures |
6 investors in total: 6 institutional.
Investors in Phosphorus
Phosphorus has secured backing from 6 investors, including venture fund investors. Prominent investors backing the company include Dragos, Evolution Equity Partners and SYN Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Growth-stage tech companies are funded by this venture capital firm. | evolutionequity.com | New York, United States | ||
| synventures.com | ||||
Corporate-backed venture capital fund | massmutualventures.com | Boston, United States | ||
Limited information is provided about General Advance's operations. | generaladvance.com | |||
Atypical Ventures is focused on early-stage investments for technical founders. | atypical.com | |||
Threat detection is offered for industrial cybersecurity ecosystems. | 2016 | dragos.com | Hanover, United States |
Investor details for Phosphorus
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
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People of Phosphorus
31 people are tracked at Phosphorus (16 in leadership, 4 in board & advisors, 11 in team).
| Name | Role | Group |
|---|---|---|
Earle Ady | Co-Founder & Chief Technology Officer | Leadership |
Chris Rouland | Co-Founder & CEO | Leadership |
Marko Okuka | Director Of Engineering | Leadership |
Sonu Shankar | VP, Product Management | Leadership |
Trent Altman | Chief Architect | Leadership |
Joe C. | Chief Architect | Leadership |
Jeff S. | Senior Director Of Engineering | Leadership |
Martin LeRoy | CFO | Leadership |
Thomas Ariano | Director Of Engineering, Devices | Leadership |
Kayvon Sadeghi | VP of Product & Technical Marketing | Leadership |
Eric Johansen, CISSP | Director, Global Strategic Account Engineering | Leadership |
Joe Costantini | VP, Engineering | Leadership |
John Herzog | Sales Director Central Region Phosphorus.io | Leadership |
Player Pate | Senior Vice President Marketing | Leadership |
Brett Raphael | President Global Field Operations | Leadership |
Chad Giesting | Senior Director Of Revenue Operations | Leadership |
Rebecca Rouland | Co-Founder | Board & advisors |
Jay Leek | Board Director | Board & advisors |
Charles Andros | Board Member | Board & advisors |
Art Coviello Jr. | Chairman | Board & advisors |
11 more people are available in the full profile.
Complete people profiles for Phosphorus
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
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Timeline of Phosphorus
4 dated milestones of Phosphorus across 10 years, from founding to its latest funding, stage changes and deals.
- Founded Phosphorus is founded.
- Funding First funding round of $38.0M.
- Funding Latest funding round, Series A, of $27.0M.
- Exit Acquired by Dragos.
Competitors of Phosphorus
Phosphorus has 3 listed competitors in our database, 3 of them funded. They include Armis Security, Ordr and SandboxAQ.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| armis.com | 2015 | Palo Alto, United States | $737M | Wireless security platform for IoT applications is provided. | ||
| ordr.net | 2015 | Santa Clara, United States | $94M | 62 | Security solutions for IoT device vulnerabilities are developed. | |
| sandboxaq.com | 2022 | Palo Alto, United States | $950M | 75 | Large quantitative models and AI solutions are developed for enterprises. |
Detailed competitors of Phosphorus
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
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Web traffic of Phosphorus
The website of Phosphorus (phosphorus.io) receives about 9.7K visits a month and ranks #1,412,737 among all websites worldwide, #3,439 in Computer Security.
- Monthly visits9.7K
▼ 50.2% vs previous month
- Unique visitors7.3K
per month
- Global rank#1,412,737
among all websites
- Category rank#3,439
Computers Electronics and Technology · Computer Security
- Bounce rate39%
- Pages per visit1.8
- Average visit53 sec
- DevicesDesktop 13% · Mobile 87%
Websites whose visitors overlap most with Phosphorus. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| mixmode.ai | 100% | 6.8K | #3,201,859 | View details | |
| claroty.com | 81% | 150.2K | #331,757 | View details | |
securityboulevard.com | securityboulevard.com | 81% | #293,437 | – |
Top companies in Industrial IoT & Smart Manufacturing
3 companies that operate in the same segment as Phosphorus (Industrial IoT & Smart Manufacturing) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
AI-powered cloud-based vehicle tracking solutions are offered for fleet owners. | 2015 | San Francisco, California, United States | USD 915 M | USD 1.62 B | 5,792 | |
Cloud-based smart security cameras are manufactured for home use. | 1999 | Provo, Utah, United States | USD 172 M | USD 341.04 M | 11,275 | |
Cloud-based network infrastructure for IoT applications is provided. | 2004 | Boise, Idaho, United States | USD 154.85 M | USD 8.52 M | 165 |
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Related news about Phosphorus
Complete news archive for Phosphorus
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Frequently Asked Questions about Phosphorus
Phosphorus was founded in 2016 and raised its 1st funding round 6 years after it was founded.
Phosphorus is headquartered in Carlsbad, United States. It is registered at Carlsbad, California, United States.
Chris Rouland is the CEO of Phosphorus, as recorded in our data. They have also founded this company.
Phosphorus is a funded company, having raised a total of $65M across 2 funding rounds to date. The company's 1st funding round was a Series A of $38M, raised on Feb 2022.
Phosphorus was founded in 2016 and is based in Carlsbad, United States. Security systems for IoT devices are offered, including an application that supports agent-less software updates and alerts. This application is available on Android and iOS platforms. Operations focus on sectors such as manufacturing, industrial IoT, healthcare, and data centers, where device protection is ensured without additional agents.
Phosphorus's top competitors include Armis Security, Ordr and SandboxAQ.
Phosphorus offers Intelligent Active Discovery, Risk Assessment, Password Management, and Patch Management.
Phosphorus has 6 investors. Key investors include Dragos, Evolution Equity Partners, SYN Ventures, MassMutual Ventures, and General Advance.
Yes. Phosphorus was acquired by Dragos in June 2026.