VulnCheck

What the company sells

VulnCheck sells vulnerability and exploit intelligence products, including early vulnerability data, exploit proof-of-concept code, internet sensor data on active exploitation and a lookup tool for internet hosts vulnerable to a given CVE. The company is headquartered in Lexington, Massachusetts, and is privately held, having raised a Series A funding round in March 2025.

Categories

• Threat intelligence (primary category)
• Vulnerability management

Headquarters

Lexington, United States

Founded

Not established from our sources

Ownership

Privately held

Website

vulncheck.com

Products and services

• Exploit & Vulnerability Intelligence

  A feed of vulnerability data, including entries not yet in the National Vulnerability Database, with added fields for prioritization.

• Initial Access Intelligence

  In-house exploit proof-of-concept code, packet captures and Suricata signatures covering initial-access vulnerabilities.

• Canary Intelligence

  Data from internet-deployed sensors that flags early signs a vulnerability is being exploited.

• Target Intelligence

  A lookup service that, given a CVE, returns internet hosts currently vulnerable to it.

Sources

1. VulnCheckUndated page, accessed September 27, 2026 · Tier A: the company, a regulator or a filing
2. VulnCheckPublished March 18, 2025 · Tier A: the company, a regulator or a filing
3. VulnCheckUndated page, accessed September 27, 2026 · Tier A: the company, a regulator or a filing

Recorded September 27, 2026 from the sources above. Descriptions are in our own words; we do not rank or recommend vendors, and no vendor pays to be listed or to change what we write. Disclosure: until the publisher confirms it has no business relationship with this company, treat one as possible (how the network works). Spot a factual error? Request a correction.