Fastest-growing Application Security companies, Q3 2026

depthfirst is an applied AI lab that develops security solutions designed to address vulnerabilities in the AI era. The company has built what it calls General Security Intelligence, which analyzes code and business logic context to identify security vulnerabilities in software systems.

The company's platform integrates with GitHub repositories to scan for critical vulnerabilities. Their approach uses AI-native defense mechanisms to counter attackers who are leveraging AI to discover and exploit vulnerabilities at increased speed and scale.

Aikido Security provides an application security platform that consolidates multiple security scanning capabilities into a single system. The platform connects to code repositories, cloud environments, and containers to continuously scan for security vulnerabilities and code quality issues.

The platform uses auto-triage functionality to filter alerts and reduce noise, focusing on vulnerabilities that pose actual risk. Aikido operates through API-based integrations without requiring agents, allowing organizations to deploy the platform quickly.

Cytix is an AI-powered application security testing platform designed to help development teams identify and address security risks introduced by code and workflow changes. The platform integrates with tools such as Jira, GitHub, GitLab, and Slack, and can be set up in under five minutes.

Chainguard provides container images designed to minimize known software vulnerabilities (CVEs). The company produces Chainguard Images, which are container images built with low-to-zero known vulnerabilities, targeting organizations that build and deploy containerized applications. These images help reduce the time and resources software teams spend on vulnerability management, triage, and remediation activities.

Cloudsmith is a cloud-native artifact management and software supply chain security platform designed for enterprise software development teams. The platform provides a centralized repository for storing, managing, and distributing software packages, container images, and machine learning models across more than 30 supported formats including Docker, NPM, Maven, Python, Ruby Gems, and Swift.

• Supply chain security: continuous vulnerability and malware scanning of packages, policy management using OPA Rego syntax, and automated package…
• Artifact management: universal, multi-format repositories with a container registry that is Docker-compatible and OCI-compliant, upstream proxy and…

GitGuardian provides Non-Human Identity (NHI) security solutions focused on secrets detection and management across the software development lifecycle. The company's platform monitors code repositories, productivity tools, and development environments to detect exposed secrets such as API keys, passwords, and credentials that could lead to security breaches.

Qodo is an AI-powered code review platform designed for software development teams, with a focus on code quality, compliance enforcement, and security policy validation across the software development lifecycle (SDLC).

• Agentic code review that detects bugs, logic gaps, and missing tests directly in the IDE before code is committed
• Pull request (PR) review automation with 15+ specialized agentic workflows covering bug detection, test coverage checks, documentation updates, and…
• A living rules system that allows teams to define, enforce, and evolve coding standards and architecture rules across repositories
• Compliance checks that validate pull requests against enterprise security policies, ticket traceability, and organization-specific rules

Endor Labs provides an application security platform focused on securing software supply chains, from open source dependencies to AI-generated code. The company was founded in 2021 in Palo Alto, California by Varun Badhwar and Dimitri Stiliadis, who previously led Prisma Cloud at Palo Alto Networks.

Labrador Labs is a software supply chain security company that provides a platform for managing open source software risks through Software Bill of Materials (SBOM) generation, vulnerability detection, and open source license compliance.

• SBOM generation for software transparency
• Open source clearing to address security and legal/licensing risks
• Support for multiple languages including C, C++, Java, Python, JavaScript, Ruby, Go, PHP, C#, Swift, Kotlin, and Android
• Integration with major package managers (npm, Maven, Gradle, Yarn, CocoaPods, RubyGems, PyPI, NuGet, and others)
• CI/CD pipeline integration with Jenkins, Azure Pipelines, GitLab, GitHub, Bamboo, Bitbucket, TeamCity, and CircleCI