The 12 closest competitors and alternatives to PrimeSec among cybersecurity companies — ranked by similarity to what PrimeSec actually does, not by market-cap band.
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PrimeSec is an agentic AI security company that provides an automated product security platform capable of reviewing human- or agent-written code against vulnerabilities. The company maps communication, data flows, and attacker paths to reveal and manage security risks.
PrimeSec is a cybersecurity company headquartered in United States. It has raised at least $26M across the 2 funding rounds on record. Its most recent funding round, Series A, raised $20M in December 2025. Xcout tracks 5 named people at PrimeSec, including Michael Nov (CEO).
At least $26M raised across the 2 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series A | $20M | 4 named | |
| Series A | $6M | 5 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Ranked by semantic similarity — how close each company is to PrimeSec by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar cybersecurity company
Pi Security operates an agentic product security platform designed to eliminate recurring vulnerabilities and automate remediation in software development.
Similar cybersecurity company
Apiiro provides an application security platform and control plane designed to protect enterprise AI and software development environments. Its products include a Guardian Agent and an AppSec Data Fabric to secure agentic development, manage risks, and automate security fixes.
Similar cybersecurity company
Codenotary provides a cybersecurity platform designed to secure enterprise AI operations, autonomous agents, and agentic networks. Its offerings include runtime monitoring, threat detection, policy enforcement, shadow AI governance, and AI-generated code tracking to help organizations manage risks associated with artificial intelligence deployment.
Similar cybersecurity company
DryRun Security provides an AI-native code security intelligence platform that helps engineering and security teams identify, validate, and remediate vulnerabilities in human and AI-generated code. The platform offers contextual static application security testing (SAST), pull request code reviews, and policy enforcement to secure software development workflows.
Similar cybersecurity company
DataCitadel is a security platform that provides observability, control, and prevention tools for autonomous AI agents. The company protects organizations by monitoring agent behavior and stopping potential security risks before they occur.
Similar cybersecurity company
Checkmarx provides an agentic application security testing platform called Checkmarx One, which helps enterprises secure software across multiple attack surfaces. The platform offers tools for code security, supply chain security, risk governance, and AI-powered threat detection to assist developers and security teams in identifying and remediating vulnerabilities.
Similar cybersecurity company
Neo provides an agentic software control platform that helps enterprises discover, monitor, and secure AI agents, models, and applications across endpoints, browsers, and identities. The platform enables SecOps teams to maintain a live inventory of software, uncover misconfigurations, and enforce real-time policies to prevent agentic threats.
Similar cybersecurity company
Capsule Security is a runtime security platform provider for AI agents, featuring Guardian Agent technology to monitor and control AI actions in real time.
Similar cybersecurity company
Qwiet AI is a cybersecurity company that provides an AI-powered application security platform for identifying and prioritizing vulnerabilities in source code and software, with automated remediation capabilities. It serves software developers and security teams seeking to secure applications and software supply chains.
Similar cybersecurity company
IriusRisk provides an automated, AI-driven threat modeling platform designed to help security teams, developers, and enterprises build secure software and manage risk throughout the software development life cycle. The company's tools integrate into existing technologies to generate diagrams, assess security compliance, and secure AI systems at the design stage.
Similar cybersecurity company
Pillar Security is a technology company focused on securing the agentic workforce and has been recognized as one of CRN's hottest AI security startups and a Gartner Cool Vendor in AI software security.
Similar cybersecurity company
Prompt Security is an Israeli cybersecurity company. The company developed an enterprise platform designed to secure employee use of AI and protect in‑house AI applications by providing real‑time visibility, policy enforcement, and automated risk mitigation for GPT‑style systems and other generative AI deployments.
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