Cybersecurity AI Startup Jobs

Defense technology company building autonomous systems and AI-powered defense capabilities to transform military and border security operations.

Cloud email security platform using AI to detect and prevent sophisticated email attacks.

Real-time public safety data platform for law enforcement and first responders.

Defense AI company building autonomous aircraft and AI pilot technology for military applications.

Autonomous penetration testing platform that continuously discovers and exploits attack paths.

Application security and software supply chain security platform for modern DevSecOps.

Static analysis tool for finding bugs, detecting vulnerabilities, and enforcing code standards.

Tines provides an intelligent workflow and orchestration platform that lets security, IT, and operations teams automate complex actions, investigations, and AI-assisted processes without heavy custom code.

Dynamic SaaS security platform that discovers and protects all SaaS applications, AI agents, and shadow AI tools through identity governance, configuration security, and hidden threat detection, analyzing over 100 billion interactions across 220+ SaaS app integrations.

Defense technology company building AI-powered software for national security missions.

Quantum and AI company developing solutions for drug discovery, cybersecurity, and navigation.

Runlayer is the enterprise control plane for Model Context Protocol (MCP), providing security, observability, and management that lets organizations safely connect AI agents to their internal systems. Backed by customers including Gusto, Instacart, and Opendoor, the platform combines threat detection, detailed permissions, and enterprise development capabilities in one solution.

Authorization-as-a-service platform providing fine-grained access control with declarative policy language.

AI-native unified cybersecurity platform for MSPs protecting SMBs from cyber threats.

Autonomous AI SOC analyst platform that investigates security alerts end-to-end, reducing triage time and alert fatigue for security teams.

Bot protection and anti-fraud security platform with transparent, CAPTCHA-free defense.

Rootly is an AI-native incident management and on-call platform that integrates with Slack to help engineering teams detect, manage, and resolve production incidents faster.

1Password provides password, secrets, and access management software for teams and enterprises, securing credentials, app access, and AI tool usage in one platform.

7AI builds an agentic cybersecurity platform that uses swarming AI agents to automate SOC investigations and response workflows.

Leading AI-powered security awareness platform protecting against deepfake personas, AI-driven phishing, and multi-channel social engineering threats through realistic attack simulations and tailored employee training.

Aegis AI builds an agentic email security platform focused on phishing and business-email-compromise detection for enterprise inboxes.

Anchorage Digital is an institutional crypto platform offering custody, trading, staking, and regulated banking services for digital assets.

Apheris provides governed, privacy-preserving data access and collaboration for AI and analytics across sensitive datasets.

An AI-native cybersecurity platform designed to ensure the secure use of AI applications across enterprises, focusing on defense against evolving threats.

Privacy-first mobile carrier redesigning telecommunications from the ground up. Cape owns and operates its own mobile core and SIMs, providing ultra-private and secure connectivity for enterprises, government, and consumers.

Delivers secure container images and tooling to protect open-source supply chains by default.

A defense technology company specializing in counter-drone radar and other defense solutions.

Cinder is a trust and safety operations platform for handling abuse, moderation workflows, and policy enforcement at scale.

Cloaked is a consumer-first privacy platform that enables individuals to protect their personal data by generating unlimited secure identities including phone numbers, emails, usernames and passwords with end-to-end encryption.

Clover Security builds AI agents for design-led product security, embedding security guidance into tools like Jira, GitHub, Cursor, and Slack so teams catch flaws before code is shipped.

Cogent Security is the first company to deliver an AI taskforce dedicated to vulnerability management, using autonomous AI agents to handle the full lifecycle from threat identification to remediation. The platform autonomously prioritizes critical risks and executes fixes with minimal human oversight, serving dozens of Fortune 1000 companies. Founded in 2024 and incubated by Greylock Partners, Cogent has raised $53 million to date.

Builds an AI-powered knowledge engine that helps security operations teams investigate alerts and automate cybersecurity workflows.

Cyera is an AI-native data security platform that helps enterprises discover, classify, govern, and protect sensitive data across cloud, SaaS, on-premises, and AI environments. The platform uses machine learning and LLMs for high-precision data classification at scale.

AI-native managed detection and response platform fusing agentic AI with human expertise for threat detection and security operations

Doppel provides AI-powered digital risk protection that combines brand protection, executive protection, social engineering simulation, and awareness tooling to detect and disrupt impersonation, phishing, and other online threats.

Cloud and AI infrastructure security platform with container-native Type-1 hypervisor for workload isolation, preventing container escapes while maintaining Kubernetes compatibility and native performance.

Enkrypt AI provides an AI security and governance platform that helps enterprises secure, monitor, and enforce compliance across generative AI and agentic AI systems.

Eon is the first cloud backup posture management (CBPM) platform, automating and unifying complex cloud backups into a queryable data lake for fast recovery, compliance, and AI analytics. Founded by the team behind AWS Disaster Recovery, Eon converts idle backup data into an accessible secondary storage layer for enterprise AI workloads.

Builds encryption infrastructure for developers, including tokenization and PCI compliance tools for payments and sensitive data.

Fingerprint provides device intelligence APIs that help teams recognize returning visitors, prevent fraud, secure accounts, and reduce abuse across web and mobile products.

Flare helps security teams detect, prioritize, and remediate external cyber threats before they escalate with automated threat exposure management and security intelligence.

Flock Safety builds AI-powered cameras and software that help law enforcement and communities solve and prevent crime. The platform uses machine learning and computer vision to provide investigative intelligence for cities, neighborhoods, and businesses.

Footprint delivers KYC and KYB onboarding with AI-driven identity and fraud checks for financial services teams.

Geordie AI builds an AI governance platform to help enterprises adopt agentic AI safely with observability, compliance controls, and risk intelligence.

Halcyon is the leading anti-ransomware and cyber resilience platform purpose-built to defeat ransomware attacks through multiple layers of prevention, detection, and recovery. Using proprietary capsule neural network AI models, it captures encryption keys and enables autonomous system recovery in minutes.

An all-in-one open source platform to securely manage application configuration and secrets like API keys and database credentials across teams and infrastructure.

Identity infrastructure provider for managing access to AI agent tools with task-based permissions and dynamic policy enforcement

Secure portal and workflow for handling lawful data requests from government and law enforcement.

Loti AI protects major celebrities, public figures, and corporate IP from online threats specializing in deepfake and impersonation detection with advanced facial and voice recognition software that analyzes real photos, video and audio then scans the internet for infringing media with 95% takedown success rate.

An AI video security system that transforms existing IP cameras into intelligent agents for real-time detection and automated monitoring in healthcare and other sectors.

Lumos builds an identity and SaaS management platform that helps IT and security teams automate access requests, lifecycle management, access reviews, and software spend controls from one system.

MarqVision builds AI-powered brand protection and IP operations software that helps global brands detect, prioritize, and enforce against counterfeit and piracy threats at scale.

Method Security builds autonomous cyber systems that combine offensive and defensive capabilities for continuous security testing.

Unified ingress platform providing developers with secure tunnels, reverse proxy, API gateway, and global load balancing used by over 7 million developers worldwide.

Opal Security is the authorization reasoning platform built to secure every identity, from employees and contractors to service accounts and AI agents. Provides unified visibility and defense-in-depth infrastructure for access management.

ORION Security provides security posture and exposure management focused on the software supply chain and SaaS ecosystems, using AI to prioritize and remediate risk.

Agentic AI cyber defense platform providing automated response, real-time classification, and advanced threat detection for cybersecurity

Provides identity infrastructure for businesses to verify users, detect fraud, and automate compliance workflows.

AI-powered IP protection platform that automates monitoring, takedown, and retroactive compensation for brand infringement across 7,800+ platforms. Cuts enforcement time by up to 90%.

Open-source, identity-aware access proxy providing zero-trust secure access to internal applications without requiring a VPN, continuously verifying user identity and device context.

Proof provides identity-centric trust infrastructure for high-stakes digital transactions, combining identity verification, notarization, and authorization workflows.

AI-driven security operations center (SOC) platform that automates alert triage, investigation, and response using agentic AI SOC analysts. Reduces investigation time by 360,000 hours and delivers 10x faster response times while reducing false positives by 96%.

Software supply chain security platform delivering comprehensive vulnerability management with curated near-zero-CVE open-source images, automated CVE remediation, and container hardening capabilities. Simplifies FedRAMP compliance and accelerates DevSecOps workflows.

AI biosecurity company developing AI-powered defenses against biological threats and bioweapons. Spun out from mRNA therapeutics company Helix Nano, partners with frontier AI labs to identify emerging bio-risks and design countermeasures using advanced models, lab automation, and reinforcement learning to scale biological defenses at the same rate as AI capabilities grow.

AI agents for risk, compliance, and safety that replace human reviewers with automated content moderation and safety systems

Sauron is the world's first perceptual home security platform that continuously scans the perimeter of your home and reliably identifies and deters all threats using multi-modal sensor fusion combining high-resolution cameras with LiDAR, radar, and thermal sensors for real-time 360-degree perception.

Sentra provides cloud-native Data Security Posture Management platform, securing enterprise data for AI adoption with 300% YoY revenue growth and multiple Fortune 500 customers.

Developer-first software supply chain security platform that detects malicious packages, vulnerable dependencies, and risky open source behavior before code reaches production.

Security app studio that lets teams build and deploy custom security apps without heavy engineering lift.

Digital trust infrastructure enabling governments and enterprises to issue, verify, and manage digital identity credentials using open-source decentralized identity toolkits.

Cloud-native email security platform using behavioral AI to detect and block advanced phishing, BEC, and zero-day email attacks across Microsoft 365 and Google Workspace.

Succinct is making zero-knowledge proofs accessible to any developer through SP1, their zkVM, and decentralized prover network that enables scalable blockchain applications and cryptographic infrastructure.

Sweet Security provides runtime-powered CNAPP and AI security software that helps enterprises discover assets, detect attacks, reduce vulnerability noise, and investigate incidents faster.

Tailscale builds identity-first networking software on WireGuard so teams can securely connect users, devices, services, and AI systems across private infrastructure without VPN complexity.

An agentic data security platform that autonomously scans, catalogs, and classifies data in motion and at rest while automating remediations for the AI era.

AI-driven threat detection and managed detection & response (MDR).

Tenzai is an AI-native cybersecurity company building autonomous pentesting and offensive security agents to continuously find and help fix software vulnerabilities.

Wi-Fi landline phone for kids and families that reinvents the home phone experience without screens, apps, or texting. Features parental controls via companion app to approve contacts, set quiet hours, and enable Do Not Disturb. Priced at $75 with free calling between Tin Cans or $10/month for regular phone numbers. Addresses smartphone addiction concerns and went viral, selling out first two production runs.

Token Security builds machine-first identity security to discover, govern, and secure non-human identities across cloud and SaaS environments.

Tollbit provides a content monetization platform that enables websites to protect and monetize their content by allowing AI bots and data scrapers to pay for licensed access, creating a sustainable content ecosystem.

Torq builds a hyperautomation platform for security operations teams, connecting detections, investigations, and response workflows so analysts can automate repetitive SOC work across tools.

Transcend is an enterprise-grade data privacy infrastructure platform that serves as the compliance layer for customer data. It enables organizations to automate data subject requests, map data across systems, manage consent, and activate data for AI responsibly at scale.

TRM Labs builds blockchain intelligence software for financial institutions, crypto businesses, and public-sector investigators to detect illicit activity and support compliance workflows.

Company behind TruffleHog, a leading open-source secret scanning tool with 15M+ downloads that detects, verifies, and remediates leaked API keys, tokens, and credentials across code repositories.

Turnkey provides secure, scalable, and programmable crypto wallet infrastructure for embedded wallets and onchain transaction automation. Built by the team that scaled Coinbase Custody past $100B in assets, it powers 50M+ embedded wallets.

Upwind is a cloud security company focused on real-time runtime protection, posture management, and threat detection for modern cloud environments and AI-era workloads.

Vanta provides an AI-powered Trust Management Platform that automates compliance, security, and risk management for businesses. The company helps organizations earn and prove trust through automated security monitoring and compliance frameworks.

Vega offers a lightweight, AI-native security analytics fabric that provides instant access to all data sources without requiring migration, designed to replace traditional SIEM solutions with state-of-the-art security analytics for modern enterprises.

WorkOS is a developer platform that provides APIs for quickly adding enterprise-grade features like Single Sign-On (SSO), Directory Sync (SCIM), Audit Logs, and User Management to applications. Often described as 'Stripe for enterprise features,' WorkOS powers authentication and identity for the fastest-growing AI companies including OpenAI, Anthropic, and Cursor.

Zama builds open-source fully homomorphic encryption technology and confidentiality infrastructure for blockchain and other privacy-preserving applications.