Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,197 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Caution Hosting platform for software you don't want to have hacked | Security and complianceconfidential compute attestation platform | Y CombinatorS26 | Active | checked 2026-08-23 |
| FabraixAI The world's frontier hacker for AI agents. | Security and complianceAI agent security red-teaming | Y CombinatorS26 | Active | checked 2026-08-23 |
| Nebula SecurityAI Building Mythos for everyone | Security and complianceAI-powered security auditing and vulnerability detection | Y CombinatorS26 | Active | checked 2026-08-23 |
| PalisadeAI AI that finds and fixes OS-level vulnerabilities across device fleets | Security and complianceautonomous vulnerability detection and remediation | Y CombinatorS26 | Active | checked 2026-08-23 |
| Traceforce Securing AI native apps directly on devices | Security and complianceAI app security and compliance monitoring | Y CombinatorS26 | Active | checked 2026-08-23 |
| TridentAI Agents that find real exploitable vulnerabilities in your company | Security and complianceAI-powered continuous penetration testing | Y CombinatorS26 | Active | checked 2026-08-23 |
| Verdict MachineAI AI cybersecurity for financial institutions' digital assets | Security and complianceAI cybersecurity for crypto financial institutions | Y CombinatorS26 | Active | checked 2026-08-23 |
| IncandorAI Behavioral intelligence infrastructure for anti-fraud | Security and compliancebehavioral fraud detection infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| Inth Enterprise privacy governance for companies that ship fast | Security and compliancecode-native privacy governance | Y CombinatorX26 | Active | checked 2026-08-23 |
| RASPIREAI Autonomous Runtime Security | Security and complianceAI-powered runtime threat detection | Y CombinatorX26 | Active | checked 2026-08-23 |
| Regbase Automating Corporate Compliance, Worldwide | Security and complianceCompliance automation platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| TolmoAI Tolmo is the AI security platform that secures every layer of cloud… | Security and complianceAI-driven cloud security agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| BeeSafe AIAI Frontier AI Defenses for Social Engineering Attacks | Security and complianceAI defense against social engineering | Y CombinatorW26 | Active | checked 2026-08-23 |
| Crosslayer Labs Protect, monitor and defend your Internet presence | Security and complianceInternet infrastructure attack detection | Y CombinatorW26 | Active | checked 2026-08-23 |
| Didit Infrastructure for identity and fraud. | Security and complianceKYC/KYB/AML infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| LexiusAI AI for Corporate Security Cameras | Security and complianceAI security camera intelligence | Y CombinatorW26 | Active | checked 2026-08-23 |
| MouseCatAI AI to fight financial crime | Security and complianceAI fraud detection and investigation | Y CombinatorW26 | Active | checked 2026-08-23 |
| ParameterAI Agentic Offensive Security at Scale | Security and complianceAI agents for penetration testing | Y CombinatorW26 | Active | checked 2026-08-23 |
| ProtentAI Real time intelligence for law enforcement & security teams. | Security and complianceReal-time threat detection for law enforcement | Y CombinatorW26 | Active | checked 2026-08-23 |
| AntigenAI Continuous offensive security for the enterprise. | Security and complianceAI-powered offensive security testing | Y CombinatorF25 | Active | checked 2026-08-23 |
| ComplyDoAI Global Compliance for Enterprises | Security and complianceenterprise GRC and compliance automation | Y CombinatorF25 | Active | checked 2026-08-23 |
| LogosGuard The sensitive data redaction layer for AI | Security and compliancesensitive data redaction for AI | Y CombinatorF25 | Active | checked 2026-08-23 |
| Patent WatchAI AI for detecting patent infringements | Security and complianceAI patent infringement detection | Y CombinatorF25 | Active | checked 2026-08-23 |
| Veria LabsAI Continuous AI pentesting that finds and fixes vulnerabilities | Security and complianceAI-powered vulnerability pentesting and exploit discovery | Y CombinatorF25 | Active | checked 2026-08-23 |
| GhostEyeAI Your always-on red team. | Security and complianceAI-powered security awareness and red teaming | Y CombinatorS25 | Active | checked 2026-08-23 |
| Pangolin Identity-aware VPN and proxy for remote access to anything, anywhere. | Security and complianceidentity-based remote access infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| BlueshoeAI The AI-Native Consumer + Plaintiff Law Firm | Security and complianceAI-native legal tech and representation | Y CombinatorX25 | Active | checked 2026-08-23 |
| CascoAI Autonomous security testing for web apps, APIs, cloud, and AI systems | Security and complianceautonomous penetration testing | Y CombinatorX25 | Active | checked 2026-08-23 |
| GolfAI Agentic AI Security and Governance | Security and complianceAI agent security and governance | Y CombinatorX25 | Active | checked 2026-08-23 |
| MindFortAI Autonomous Security Agents | Security and complianceautonomous AI penetration testing | Y CombinatorX25 | Active | checked 2026-08-24 |
| ProboAI We help you get compliant while you focus on your business. | Security and complianceAutomated compliance management | Y CombinatorX25 | Active | checked 2026-08-23 |
| Archon We help software companies sell to government. | Security and complianceFedRAMP compliance automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| CandorAI Protect your data and stop insider risk | Security and complianceagentic data loss prevention | Y CombinatorW25 | Active | checked 2026-08-23 |
| CardamonAI AI compliance co-pilot for regulated financial businesses | Security and complianceAI compliance automation for fintech | Y CombinatorW25 | Active | checked 2026-08-23 |
| ConntourAI AI to monitor thousands of security cameras. | Security and complianceAI video surveillance monitoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| SubImage The Open-Core Security Graph | Security and complianceinfrastructure asset visibility and mapping | Y CombinatorW25 | Active | checked 2026-08-23 |
| Tire SwingAI AI Compliance for Affordable Housing | Security and complianceAI compliance for affordable housing | Y CombinatorW25 | Active | checked 2026-08-23 |
| Gecko SecurityAI The AI Security Engineer to Find and Fix Vulnerabilities | Security and complianceAI vulnerability detection and remediation | Y CombinatorF24 | Active | checked 2026-08-23 |
| LuthorAI Real-time governance for enterprise communications | Security and complianceReal-time marketing content compliance | Y CombinatorF24 | Active | checked 2026-08-23 |
| &AI Collaborative workspace for patent litigators | Security and complianceAI-assisted patent litigation workspace | Y CombinatorS24 | Active | checked 2026-08-23 |
| Affil.aiAI AI Affiliate Network For Financial Companies | Security and complianceAI compliance for financial marketing | Y CombinatorS24 | Active | checked 2026-08-23 |
| Clearly AIAI Automate security and privacy reviews | Security and complianceAI-powered security and privacy reviews | Y CombinatorS24 | Active | checked 2026-08-23 |
| UnboundAI Use AI tools without fear of data leakage | Security and complianceAI data privacy and isolation | Y CombinatorS24 | Active | checked 2026-08-23 |
| winfuncAI ai-native security engineering for mission critical codebases | Security and complianceAI-native vulnerability detection and patching | Y CombinatorS24 | Active | checked 2026-08-23 |
| ZeroPathAI Automatically find and fix your software vulnerabilities | Security and complianceautonomous vulnerability detection and remediation | Y CombinatorS24 | Active | checked 2026-08-23 |
| CodeAnt AIAI Autonomous offensive and defensive security platform | Security and complianceautonomous security testing and remediation | Y CombinatorW24 | Active | checked 2026-08-23 |
| Indemni Cargo Theft and Fraud Prevention Platform | Security and complianceCargo theft and fraud prevention | Y CombinatorW24 | Active | checked 2026-08-23 |
| PromptArmor LLM Security and Compliance | Security and complianceLLM security and prompt injection defense | Y CombinatorW24 | Active | checked 2026-08-23 |
| SuperagentAI Security for AI-native developers | Security and complianceAI agent security and governance | Y CombinatorW24 | Active | checked 2026-08-23 |
| TracecatAI The open source AI-native security automation platform | Security and complianceAI-native security automation platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| Affinity A compliance training platform built for regulated industries. | Security and complianceCompliance training for regulated industries | Y CombinatorS23 | Active | checked 2026-08-23 |
| Aglide Connect every disconnected app to your SSO. | Security and complianceEnterprise SSO and legacy app security | Y CombinatorS23 | Active | checked 2026-08-23 |
| DocsumAI AI contract repository | Security and complianceContract intelligence and management | Y CombinatorS23 | Active | checked 2026-08-23 |
| HiroAI Agents that handle security work | Security and compliancesecurity agents automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Kobalt LabsAI AI-powered risk and compliance for financial institutions | Security and complianceAI risk and compliance automation for banks | Y CombinatorS23 | Active | checked 2026-08-23 |
| MetalwareAI Firmware cybersecurity | Security and compliancefirmware vulnerability discovery automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Proof of HumanAI continuous human verification without CAPTCHAs or user friction | Security and compliancebot detection and human verification API | Y CombinatorS23 | Active | checked 2026-08-23 |
| RimwardAI Low-false-positive intrusion detection for remote outdoor sites | Security and complianceComputer vision intrusion detection for remote sites | Y CombinatorS23 | Active | checked 2026-08-23 |
| compliant-llm Detect every data leak into third-party GenAI tools | Security and complianceGenAI data leak detection | Y CombinatorW23 | Active | checked 2026-08-23 |
| EscapeAI Offensive security for the teams that are 100x outnumbered | Security and complianceAI-powered offensive security automation | Y CombinatorW23 | Active | checked 2026-08-23 |
| FinicAI The AI fraud hunter | Security and complianceAI fraud detection and prevention | Y CombinatorW23 | Active | checked 2026-08-23 |
| HadriusAI Automating Securities Compliance | Security and complianceAI-powered securities compliance automation | Y CombinatorW23 | Active | checked 2026-08-23 |
| Infisical Unified platform for secrets, certs, and privileged access management | Security and compliancesecrets and privileged access management | Y CombinatorW23 | Active | checked 2026-08-23 |
| Matano Cloud Native SIEM (alternative to Splunk/Elastic) | Security and complianceCloud-native SIEM platform | Y CombinatorW23 | Active | checked 2026-08-17 |
| Repacket Employee security done for you. | Security and complianceEmployee security and phishing protection | Y CombinatorW23 | Active | checked 2026-08-23 |
| AccessOwl Managing your Employees' Access to SaaS | Security and complianceSaaS access management and provisioning | Y CombinatorS22 | Active, new domain | 2026-08-23 |
| AiPriseAI AI-powered Global Compliance Platform | Security and complianceAI-powered KYC and compliance verification | Y CombinatorS22 | Active | checked 2026-08-23 |
| BleeAI Smart, fast, and collaborative compliance reviews | Security and complianceAI-powered compliance review automation | Y CombinatorS22 | Active | checked 2026-08-23 |
| Oneleet YC's most popular security compliance platform (SOC 2, ISO 27001,… | Security and complianceautomated security and compliance platform | Y CombinatorS22 | Active | checked 2026-08-23 |
| OverwatchAI Enterprise software for enterprise risk and cyber fraud intelligence | Security and complianceAI fraud detection and risk intelligence | Y CombinatorS22 | Active | checked 2026-08-23 |
| Plutto Supply-chain risk management and compliance platform for Latin… | Security and complianceSupply chain compliance and risk management | Y CombinatorS22 | Active | checked 2026-08-23 |
| TrueBiz Instant Background Checks for Businesses | Security and complianceautomated business verification and KYC | Y CombinatorS22 | Active | checked 2026-08-23 |
| AgencyAI Agency replaces traditional security and compliance headcount with AI. | Security and complianceAI-powered compliance automation | Y CombinatorW22 | Active | checked 2026-08-23 |
| Axis Knowledge base for corporate affairs teams | Security and complianceregulatory compliance knowledge base | Y CombinatorW22 | Active | checked 2026-08-23 |
| Bunkyr Zero-Knowledge security without seed phrases or backup codes | Security and complianceZero-knowledge encryption API for developers | Y CombinatorW22 | Site unreachable | checked 2026-08-17 |
| Cinder Infrastructure to protect companies from AI abuse | Security and complianceAI safety and content moderation platform | Y CombinatorW22 | Active | checked 2026-08-23 |
| Complif Compliance tools for financial companies in LatAm KYC & AML | Security and complianceCompliance automation for LatAm fintech | Y CombinatorW22 | Active | checked 2026-08-23 |
| Dojah Inc Prevent Fraud and Onboard Users Faster | Security and compliancefraud detection and identity verification infrastructure | Y CombinatorW22 | Active | checked 2026-08-23 |
| Dynamo AI Compliant-Ready AI for the Enterprise | Security and complianceAI compliance and privacy solutions | Y CombinatorW22 | Active | checked 2026-08-23 |
| Firezone Easiest way to set up Zero Trust Access for your team | Security and complianceZero Trust network access | Y CombinatorW22 | Active | checked 2026-08-23 |
| FlagrightAI AI-native AML compliance platform for fintechs & banks | Security and complianceAI-powered AML compliance | Y CombinatorW22 | Active | checked 2026-08-23 |
| Optery Opt out software that removes your private info from the internet | Security and complianceprivacy data removal automation | Y CombinatorW22 | Active | checked 2026-08-23 |
| Prembly (formerly Identitypass) Identity Verification API for Emerging Markets | Security and complianceIdentity verification API emerging markets | Y CombinatorW22 | Active | checked 2026-08-23 |
| PropelAuth Team-based authentication for B2B SaaS | Security and complianceB2B authentication and identity infrastructure | Y CombinatorW22 | Active | checked 2026-08-23 |
| Reality DefenderAI Enterprise Deepfake Detection | Security and complianceDeepfake detection for enterprises | Y CombinatorW22 | Active | checked 2026-08-23 |
| Strac Data Discovery, DLP, DSPM for SaaS, Cloud, Gen AI & Endpoints | Security and complianceData discovery and DLP for enterprises | Y CombinatorW22 | Active | checked 2026-08-23 |
| Cloudanix Cloud and Container Security Platform | Security and compliancecloud infrastructure security platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| idemeumAI AI-powered Application Control | Security and complianceAI-powered application control | Y CombinatorS21 | Active | checked 2026-08-23 |
| Kodex Easiest way for companies to process data requests from governments | Security and compliancegovernment data request compliance | Y CombinatorS21 | Active | checked 2026-08-23 |
| Malloc IncAI AI-driven mobile cybersecurity | Security and complianceMobile device threat detection | Y CombinatorS21 | Active | checked 2026-08-23 |
| MarqVisionAI IP operating software for brands and content companies | Security and complianceIP enforcement and brand protection | Y CombinatorS21 | Active | checked 2026-08-23 |
| VerihubsAI AI-powered Deepfake Detection | Security and complianceAI deepfake detection and face verification | Y CombinatorS21 | Active | checked 2026-08-23 |
| Authologic Stripe for online identity verification | Security and complianceidentity verification orchestration | Y CombinatorW21 | Active | checked 2026-08-23 |
| CybleAI Cyble - World’s First Intelligence-Driven, AI-Native Security… | Security and complianceAI-native cybersecurity threat detection | Y CombinatorW21 | Active | checked 2026-08-17 |
| DarrowAI Bring Justice to Light | Security and complianceAI legal case intelligence platform | Y CombinatorW21 | Active | checked 2026-08-23 |
| Feroot Security AI-powered Compliance Platform for PCI 4, CCPA, HIPAA, CIPA, 50+ laws | Security and complianceAI compliance automation platform | Y CombinatorW21 | Active | checked 2026-08-23 |
| Reclaim Protocol Education, Employment, Loyalty verification. Global & Compliant. | Security and complianceIdentity verification and compliance | Y CombinatorW21 | Active | checked 2026-08-23 |
| SpruceID SpruceID lets users control their data across the web. | Security and compliancedecentralized identity infrastructure | Y CombinatorW21 | Active | checked 2026-08-23 |
| Version Story Compare Git for Lawyers — now within Claude | Security and complianceLegal document version control | Y CombinatorW21 | Active | checked 2026-08-23 |
| Formal Take control of your data in real-time. | Security and complianceReal-time data access control | Y CombinatorS20 | Active, new domain | 2026-08-23 |