"Security" Startups
Every active startup we index tagged "Security", sorted by score and momentum.
Filter the full directory by this tag →About "Security" startups
83 tech startups tagged "Security" are currently indexed on techstartupslist.com. This page lists every active match, with logos, taglines, and direct links to each company's site — no paywalled middleman. Notable "Security" startups in the index include Vanta, AccessOwl, AeroFS, Agency, and Alter. Each profile surfaces team size, founding year, category, and any open roles their careers page is publicly scrapable for. These companies concentrate in AI / ML, Security, and Dev Tools — the categories where this tag shows up most often in our scrape. Geographically, "Security" lean toward San Francisco, New York City, and Paris, with the rest spread across remote-first teams and other hubs. Y Combinator batches represented here: W22, S26, S21, and W24, among others. 7% of these companies are hiring right now (6 of 83) — a live signal from the jobs we scrape, not a static directory claim; 1 is currently flagged as trending on hiring momentum; the listing refreshes whenever the scrape runs so tag membership stays current as companies re-tag and new ones appear.
Showing 48 of 83 Filter the directory by this tag →
Five standout startups, five open roles, every Monday
A weekly digest pulled from the 5,200+ startups and 6,700+ jobs we track. No fluff, no resend.
Double opt-in. Unsubscribe anytime.
Similar startups beyond "Security"
2 of 4 similar companies are hiring right now · most common: Engineering
More to explore
"Security" startups by city
Frequently asked questions
How many "Security" startups are indexed?
Our index currently tracks 83 active tech startups tagged "Security". New entries appear automatically as scrapers discover them; shutdowns are flagged inactive and drop off this listing.
What are the top "Security" startups?
Among the "Security" startups indexed here: Vanta, AccessOwl, and AeroFS, plus 80 more on this page. Sorting prioritizes curated score, sponsored placements, and trending signals.
Are "Security" startups hiring right now?
6 of the 83 companies on this page currently have open roles in our jobs index. Open roles link straight to each company's own careers page.
How often is the "Security" startup list updated?
Automated scrapers refresh this page on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.