Cybersecurity Landscape of San Francisco
677 Cybersecurity companies in San Francisco, in one picture: who is hiring, who is raising money, who founded them, what the news is about, which skills employers want and where the research is going. Updated August 2026.
Who leads Cybersecurity in San Francisco
Shows the top‑ranked cybersecurity firms in San Francisco by hiring activity, funding size, and overall coverage; 677 companies are tracked, with 60 currently hiring and 298 having disclosed a funding round.
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DELinea11last posted Jun 2026
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HackerOne10last posted Jun 2026
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Okta9last posted May 2026
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TAC Security8last posted Aug 2026
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ConductorOne7last posted Mar 2026
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TRM Labs7last posted Apr 2026
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WorkOS6last posted Mar 2026
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Arkose Labs6last posted May 2026
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CloudFlare$2.2BPost IPO · Aug 2021
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Armis$1.2BSeries E · Nov 2025
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Upwind$430MSeries B · Jan 2026
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Persona$417.6MSeries D · Apr 2025
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HashiCorp$349MSeries E · Mar 2020
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Corelight$310.3MSeries E · Apr 2024
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Lookout$284.3MConventional Debt · Jun 2022
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CyberCube$280MSeries D · Oct 2025
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Vehere$17.7Msnapshot Mar 2025
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Sprinto$13.1Msnapshot Mar 2025
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Hexnode$11.7Msnapshot Mar 2025
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Mitsogo$11.7Msnapshot Mar 2025
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IndyKite$5.1MFY2024 filing
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Fortanix350tracked employees
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Incode317tracked employees
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Data Theorem250tracked employees
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Horizon Three AI5.1%42 tracked events
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Bureau3.5%29 tracked events
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Abnormal Security3.3%27 tracked events
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Nozomi Networks2.7%22 tracked events
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ARPA958articles in the window
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Worldcoin696articles in the window
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MetaMask317articles in the window
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Rewatch201articles in the window
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See all 677 Cybersecurity companies in San Francisco
Filter by funding, headcount, hiring and location, and export the list.
How the Cybersecurity ecosystem in San Francisco grew, 2016–2025
Displays the annual count of new cybersecurity startups from 2016‑2025, highlighting a peak of 67 companies founded in 2020 and 14 in 2025.
The Cybersecurity market map of San Francisco: what these companies actually do
Breaks down the product focus of San Francisco cybersecurity firms, noting the largest categories such as enterprise tech (580 firms) and the dominant subscription revenue model used by 644 companies.
- Enterprise Tech580 companies · $13.7B raised · 59 hiring
- Enterprise Software497 companies · $10.7B raised · 53 hiring
- SaaS339 companies · $11.4B raised · 43 hiring
- Enterprise Communication76 companies · $388.6M raised · 4 hiring
- Consumer Digital74 companies · $677.7M raised · 4 hiring
- Fintech68 companies · $2B raised · 5 hiring
- Remote Work Tools68 companies · $414.6M raised · 4 hiring
- Future of Work68 companies · $424.2M raised · 3 hiring
- Deep Tech59 companies · $2.3B raised · 3 hiring
- Devsecops50 companies · $1.5B raised · 10 hiring
- Anti Fraud Management46 companies · $1.3B raised · 3 hiring
- Blockchain in Cybersecurity44 companies · $714M raised · 3 hiring
Monetization
How Cybersecurity companies make money
How many companies earn revenue each way. Plenty use more than one model, so the counts add up to more than the sector.
Funding, M&A and the deals moving Cybersecurity in San Francisco
- M&ASpin.AI has acquired data security software company Revyz.2026-05-01
- M&AProtecht Group ("Protecht"), an Australian-based global leader in governance, risk and compliance (GRC) solutions, announced the acquisition of VISO TRUST, a US-based third-party risk management platform powered by artificial intelligence (AI).2026-04-21
- FundingEclypsium, the IT infrastructure supply chain security company, today announced it has raised a $25 million strategic financing round led by PEAK6 Strategic Capital, with participation by a top three US bank and Ten Eleven Ventures.2026-04-07
- FundingRunSybil Raises $40M in Seed Funding to Advance AI Cybersecurity Testing2026-03-18
- M&AOpenAI announced on March 9th that it will acquire Promptfoo, an AI security platform that helps companies identify and fix vulnerabilities in AI systems during development.2026-03-10
- M&AZscaler announced that it has acquired browser security firm SquareX for an undisclosed sum.2026-03-09
- FundingQuill Meetings announced $6.5 million in seed funding and the launch of Quilliam, a sovereign Chief of AI Staff agent for modern professionals.2026-02-26
- FundingVancouver fintech startup Opal has raised a $1.5 million seed round as it looks to expand its modern corporate card and spend‑management platform for high‑growth companies.2026-02-19
- M&AMobile gaming giant Scopely has struck a definitive agreement to acquire a majority stake in Loom, the Istanbul-based development studio behind Pixel Flow!, a mobile puzzle game that launched in late 2025 and has already been played by more than 10 million people globally.2026-02-19
- FundingTRM Labs has now raised a total of $219.9M in total equity funding and is backed by Alumni Ventures, Bessemer Venture Partners, BH Digital, Blockchain Capital, Citi Ventures, CMT Digital, DRW Venture Capital, Galaxy Digital, Goldman Sachs, Thoma Bravo, and Y Combinator.2026-02-09
Mergers and acquisitions
Deals from the last 24 months where a Cybersecurity company in San Francisco was the buyer or the one bought, newest first. “Undisclosed” means the price was never published — not that the deal was worth nothing.
| Acquirer | Target | Deal value | Status | Date |
|---|---|---|---|---|
| Spin.AI | undisclosed | Announced | 2026-05-01 | |
| Protecht Group | undisclosed | Announced | 2026-04-21 | |
| undisclosed | Completed | 2026-04-14 | ||
| $7.8B | Completed | 2026-03-29 | ||
| undisclosed | Announced | 2026-03-09 | ||
| undisclosed | Announced | 2026-02-19 |
Who is listing, hiring leaders, launching and winning work
Details specific event types like IPO filings, leadership changes, product launches, and contract wins for the sector’s companies.
ForgeRockIPO · NYSE · 1 reportJan 2026
BibaLesley Maxwell · Appointment → Regional Manager for the NorthApr 2026
Unit21 TechnologiesTyler Allen · Appointment → Chief Executive OfficerApr 2026
WallarmDavid Cramer · Appointment → Chief Operating OfficerApr 2026
AppOmniAppOmni AgentGuard (AI Security)Nov 2025
Paravision AIwon undisclosed clientOct 2024
Opalapproved allocation of gas production — GovernmentAug 2024
- HashiCorp investor v hashicorpconflict of interest in IBM acquisition · DismissedJan 2025
- HashiCorp Stockholders v hashicorpPossible breaches of fiduciary duty and other violations of law in HashiCorp\'s transactio · OngoingAug 2024
Half of these companies grew revenue faster than +26.5%, half slower.
Who is building Cybersecurity in San Francisco
Profiles 570 founders and CEOs across 341 firms, showing common alma maters like Stanford (40) and frequent prior employers such as Google (19).
Ex- Square. Rice University 2013
Ex-Kiip, CitrusByte. University of Washington BS 2011
Ex-Lawrence Berkeley National Laboratory, ESnet. Harvard University AB 1989, University of California Berkeley PhD 2002
Ex-CEO Verivue & Unisphere Networks, Akamai Technologies. University of Rhode Island BS 1984
Ex-Symantec, Fingi, McKinsey & Company. University of Cambridge BA, Stanford University Graduate School of Business MBA
Advisor - Illuminate Ventures. University of California, Berkeley, Haas School of Business Master of Business Administration 2000
Ex-Brenntag Group, Grupo Amco, Amco Foods. Autonomous Technological Institute of Mexico BBA 2003
Bugcrowd, ex-Ntt Application Security, ex-Sharetivity, Suffolk University - Sawyer Business School
Ex-Opendoor, McKinsey & Company, Amazon Web Services, Stifel Financial Corp. University of Michigan BBA 2015
- flagged as repeat founders22
- no repeat-founder flag503
- women44
- men465
Look up the people behind Cybersecurity companies in San Francisco
Search founders, executives and operators by company, role and location.
Who funds Cybersecurity in San Francisco
Summarizes 612 funding rounds since 2016 from 995 investors, with the typical round size averaging $7.7 million.
| Investor · most active investors since 2016 | Rounds | Led | Latest |
|---|---|---|---|
| Y Combinator | 60 | 22 | Feb 2026 |
| Accel | 25 | 13 | Mar 2026 |
| Andreessen Horowitz | 21 | 10 | Nov 2025 |
| Bain Capital Ventures | 19 | 10 | Feb 2026 |
| Sequoia Capital | 16 | 11 | Mar 2026 |
| Index Ventures | 16 | 9 | Apr 2025 |
| Insight Partners | 15 | 8 | Jul 2025 |
| Greylock Partners | 15 | 7 | Feb 2026 |
| Felicis Ventures | 14 | 7 | Mar 2026 |
| Lightspeed Venture Partners | 14 | 4 | Feb 2025 |
The typical round is $7.7M — half were bigger, half smaller.
The biggest Cybersecurity funding rounds in San Francisco
Highlights the largest disclosed financing, such as Armis’s $435 million Series E round, and lists ten other major recent rounds.
| Company | Round | Size | When | Backers |
|---|---|---|---|---|
| Series Emega-round | $435M | Nov 2025 | Goldman Sachs, CapitalG, Evolution Equity Partners | |
| Series Dmega-round | $300M | Nov 2021 | One Equity Partners, Georgian, Brookfield Asset Management +3 more | |
| Series Bmega-round | $250M | Jan 2026 | Bessemer Venture Partners, Salesforce Ventures, Picture Capital +9 more | |
| Series B | $220M | Dec 2021 | General Atlantic, SoftBank Group, J P Morgan +8 more | |
| Series D | $200M | Oct 2024 | Alkeon Capital Management, General Catalyst, Brookfield Asset Management +4 more | |
| Series D | $200M | Apr 2025 | Founders Fund, Ribbit Capital, Bond Capital +3 more | |
| Series D | $180M | Oct 2025 | Spectrum Equity, Hudson Structured Capital Management, ForgePoint Capital +1 more | |
| Series E | $175M | Mar 2020 | Franklin Templeton Investments, IVP, GGV Capital +4 more | |
| Series E | $150M | Mar 2019 | Franklin Templeton Investments | |
| Series F | $150M | Aug 2014 | Bezos Expeditions, Khosla Ventures, Index Ventures +7 more |
130 venture rounds with a disclosed amount in the window.
Series A$72MMay 2026
- Seed$19MApr 2026
Series B$80MMar 2026
Series C$25MMar 2026
Series A$25MMar 2026
Series A$22MMar 2026
Series B$20MMar 2026
Seed$2.9MMar 2026
What the news says about Cybersecurity in San Francisco
Counts 14,060 news articles published in the last year about the sector, covering topics like public safety reports and legal reforms.
What the coverage is about
The subjects that dominate Cybersecurity news in United States. The arrow shows whether each one is being written about more or less than a year ago.
- Public safety and crime incident reports91,409→-10%
- Criminal law reform initiatives70,275▲+17%
- Sentencing guidelines and judicial discretion64,083▲+13%
- Legal rights of crime victims50,927▲+23%
- Child abuse and neglect50,512▲+18%
- Sexual violence and assault49,976▲+44%
- Criminal defense attorney roles and ethics44,086▲+30%
- Prison reform and inmate rehabilitation43,848▲+33%
- White-collar crime detection and prosecution42,652▲+11%
- Wrongful conviction cases and exoneration41,915▲+21%
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103 Cybersecurity companies here were named in the news over this period.
Watch Cybersecurity coverage in United States as it happens
Prism follows these subjects story by story — which companies are named, what is said about them and how the tone moves.
Momentum
The words getting louder — and quieter
Which terms are showing up in more stories than a year ago, and which are fading. The percentage is the change in how many articles mention them.
The pressures the press keeps returning to
Three recurring angles in United States Cybersecurity coverage, and whether each is getting more attention year on year (through 2025).
Cybersecurity jobs in San Francisco: who is hiring and what they ask for
Aggregates 5,267 job postings from 114 employers in the past year, noting top skills (TypeScript, React, Kubernetes, AWS, Python) and a median advertised salary of $42 k.
Demand
The Skills Employers Ask For
What Cybersecurity employers in San Francisco put in their job ads. The bar is how many postings ask for it; the arrow shows whether demand grew or shrank against the year before.
- typescript127▲
- react121▲
- kubernetes84▲
- aws71▲
- python67▲
- go56▲
- gcp54▲
- postgres50▲
- terraform48▲
- next.js48▲
- Manager$99k/yr (n=58)
- Entry$30k/yr (n=116)
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10 Cybersecurity-relevant internships in India were advertised over the same 12 months.
What the research says
The Cybersecurity research read is national: 3,240 United States-affiliated papers, clustered into themes such as Network Security Threats, Exploits and DoS Risks, DoS and Firewall Interactions, Adversarial Machine‑Learning Threats. It is measured at country level, so it is the same signal for every city in United States — the full read, with the theme clusters, growth and blind spots, lives on the national page.
Read the full Cybersecurity research analysis for United States →
Who files Cybersecurity patents in San Francisco
Records 220 patent filings between 2016‑2025 from four organizations, with Square, GitLab, and Samsara leading the filings.
- Square232
- Gitlab17
- Samsara9
- Affirm7
Go deeper on Cybersecurity research and innovation
Research themes, patent activity and the companies commercialising them, in one place.
Track Cybersecurity in San Francisco beyond this page
Radar finds and filters the companies. Prism watches what is being said about them.
Direct contact details for the people on this page are held in Fliar Radar, behind its own access controls.