Updated Apr 23, 2026
Score 36
Seal Security logo

Seal Security

Ranked #222 of 1,000+ cybersecurity companies
Profile
INITIALIZING DATA STREAM...

Overview

Founded
2022
Crunchbase Rank
#6047

We don't just find open source vulnerabilities. We fix them!

Seal Security provides security operations through an AppSec remediation agent that delivers human-vetted, production-ready fixes for open-source vulnerabilities, integrating across languages, patch-management systems, and open-source platforms via APIs and CLI to reduce risk without slowing teams while ensuring protection and compliance.

Industries
Network Management SoftwareComputer and Network SecurityCybersecuritySaaS
Type
Privately Held

Company Size

Employees
 
113
Range51–200 employees
110K+

Headquarters

New York, NY

Press Coverage

DateArticlePublisher
Aug 6, 2025Seal Security: $13 Million Series A Raised For Application Security SolutionsPulse 2.0
Jul 30, 2025Seal Security Raises $13 Million in Series Athesaasnews.com
Jul 30, 2025Seal Security Raises $13 Million in Series Athesaasnews.com
Jul 29, 2025Seal Security Pulls In $13M Series A Roundvcnewsdaily.com
Jul 29, 2025Seal Security Secures $13M in Series A Funding to Boost Application Security SolutionsVenture Capital
Jul 29, 2025Seal Security Raises $13M in Series A FundingFinSMEs
Jul 29, 2025Seal Security Secures $13M in Series A Funding to Boost Application Security Solutionsventure capital
Jul 29, 2025Seal Security Pulls In $13M Series A Roundvcnewsdaily.com
Jul 29, 2025Seal Security Raises $13M in Series A FundingFinSMEs
Jan 13, 2026Seal Security Joins Wiz Integration Network (WIN) to Deliver Hardened Container Base Images for Seamless Vulnerability RemediationPR Newswire

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Categories

ComputerInformation TechnologyNetwork SecuritySupply Chain Management

Product

NameDescription
Seal OSA solution that automatically fixes vulnerabilities in Linux operating systems and application code by applying standalone security patches compatible with existing versions.
Backported Security FixesStandalone security patches applied directly to existing open source library versions to fix vulnerabilities without requiring upgrades.
Secure End-of-Life CodeSecurity patches and support for Linux distributions and software that have reached end-of-life to maintain compliance and security.
Secure Legacy and Hard-to-Manage CodeA solution to fix vulnerabilities in legacy, unmaintained, or difficult-to-patch application code and dependencies without complex upgrades.
Open Source Vulnerability RemediationAutomated detection and patching of vulnerabilities in open source components, including direct and transitive dependencies, without impacting development workflows.