"Security" Startups in New York City
Every active New York City startup we index that carries the "Security" tag.
About "Security" startups in New York City
Our index currently lists 8 tech startups in New York City tagged "Security" — a city×tag slice of the live directory, not every "Security" company nationwide and not every New York City startup regardless of tag. 13% of this slice is hiring right now (1 of 8). Apply links on each profile go to the company's own site; we don't act as a middleman. "Security" startups in New York City include Agency, Alter, authzed, JumpWire, and Reality Defender. Categories represented here: AI / ML, Security, and Healthcare. YC batches in this slice: W22, S25, W21, and W24, among others. Widen the view anytime: all New York City startups at /startups/location/new-york-city, or every "Security" company nationwide at /startups/tag/security.
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Similar startups beyond New York City / Security
1 of 4 similar companies is hiring right now · most common: Engineering
Related startup slices
Frequently asked questions
How many "Security" startups are in New York City?
Our index currently tracks 8 active tech startups in New York City tagged "Security". Counts move as scrapers discover new companies and flag shutdowns inactive.
Which "Security" startups are based in New York City?
Companies on this page include Agency, Alter, and authzed, plus 5 more below. Each profile links to the company's site and any open roles we scrape.
How is this different from the New York City startups page or the "Security" tag page?
/startups/location/new-york-city lists every indexed startup in New York City across tags. /startups/tag/security lists every "Security" startup nationwide. This page is the intersection — only companies that resolve to both New York City and "Security".
Are these New York City "Security" startups hiring?
1 of the 8 companies on this page currently have open roles in our jobs index.
How often is this list updated?
Automated scrapers refresh on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.