Best Data Security Companies in United States
The 78 best Data Security companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: fluidinfo.
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Ranked: Best Data Security companies in United States
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | fluidinfo Fluidinfo makes data social within organizations, creating a place for discovery and innovation. | $2M | 169 mo ago | Series A | — | 2009 | — | — | — |
| 2 | Westlight AI Limited information available 6Funding bottom 48%Talent bottom 45%Global bottom 29%Market bottom 10% All 4 signals ▾Fundingbottom 48% Talentbottom 45% Globalbottom 29% Marketbottom 10% Funding: Raised $1.0M across 2 rounds · 2 rounds over 6 yrs (0.3/yr) Talent: 1 named leader on record rank vs industry peers · Fliar Intelligence Index 6/100 | $1M | 66 mo ago | Funding Raised | Aaron Greenblatt Founder & CEO | 2019 | — | — | — |
| 3 | Bitblinder Anonymous web browsing and bitTorrent for online privacy | $25K | 205 mo ago | Deadpooled | Matt Kaniaris Founder | 2007 | — | — | — |
| 4 | 666 Encryption Operator of an algorithmic encryption platform intended to encrypt information in the ciphertext of numbers. | — | — | Private | — | 2021 | — | — | — |
| 5 | andrews software Andrews Software focuses on the design and development of software for records centers, destruction, media… | — | — | Acquired | — | 1980 | — | — | — |
| 6 | appcensus Privacy Analysis as a Service. At Scale. | — | — | Private | — | 2019 | — | 8 patents DNS-based dynamic outbound firewalling and automated mobile app permission/circumvention analysis | — |
| 7 | Aspiration Software Intelligence Integration | — | — | — | — | 2002 | — | — | — |
| 8 | assero security inc Assero Security is an information security company that helps organizations meet compliance with real-world… | — | — | Private | — | 2012 | — | — | — |
Top 3 Data Security companies in United States
#1
Funding Raised · Palo Alto, California · founded 2019 · 3 employees$1Mraised▾
Devloper of data provenance systems designed to democratize cyber resilience for the distributed professional workforce. The company's systems re-conceptualize data access and control through novel applications of AI and other technologies, enabling clients to get data in applications that are sensitive, monitored, and controlled across a diverse set of hardware and software platforms.
- Dec 2020Conventional Debt$250K
- Feb 2020Grant (prize money)$750K
#2
Series A · New York, New York · founded 2009 · 3 employees$2.1Mraised▾
Developer of an online information storage and search platform. The company develops a cloud-based platform that combines metadata from existing systems, internal databases and public web platforms and unifies it into a single addressable location and application programmer interface (API).
#3
Deadpooled · San Francisco, California · founded 2007$25Kraised▾
Anonymous web browsing and bitTorrent for online privacy
Funding & investor landscape
Market landscape — 10 sub-themes by coverage
Share of Data Security coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.