Cybersecurity Startups

Solve Healthcare provides evaluation, strategy, and remediation services to healthcare organizations, combining IT implementation and compliance solutions with ongoing support to help healthcare providers modernize their digital operations while meeting regulatory requirements.

1 investor

Solvin is an autonomous AI agent that runs in the background to triage, reproduce, and deliver validated bug fixes to software codebases, opening pull requests only for bugs it can verify with tests. It targets enterprise engineering teams, using small language models built for a customer's codebase, running inside a secure sandbox, and works across multiple repositories.

1 investor

Sondera is a governance and observability control plane for AI agents, tracing agent actions across tools and APIs in real time, enforcing policy-as-code rules to block unsafe actions, and generating audit trails for compliance reviews such as ISO 42001 and SOC 2. It serves engineering and security teams that need to monitor, debug, and approve autonomous agents for production.

1 investor

SonicBee provides identity and access management solutions.

1 investor

Sophos provides managed detection and response (MDR) services that use machine learning and behavioral analysis to identify threats and coordinate rapid incident response for enterprise customers. The service includes 24/7 human analyst validation, threat investigation, and attack response to reduce business risk and downtime.

1 investor

Soroc is an IT service and solution provider that delivers managed services, technology deployments, and support across North America. The company serves enterprise and mid-market businesses seeking end-to-end IT infrastructure management, security, and operational efficiency.

1 investor

Soteria provides cybersecurity advisory services and solutions, including managed detection and response (MDR), virtual CISO support, domain monitoring, and Microsoft 365 risk management. It serves businesses seeking to build and validate security programs, offering services such as SOC 2 preparation, risk assessments, and penetration testing.

1 investor

The sourcefire.com domain now redirects to Cisco's Security portfolio, a suite of integrated cybersecurity products spanning network, cloud, endpoint, and application protection built on a unified, AI-driven platform. It serves organizations of all sizes with threat detection, zero trust access, cloud/AI workload protection, and automated response, and includes technologies such as Splunk and Talos threat intelligence.

1 investor

Source ID provides AI-powered identity verification and KYC/KYB solutions for businesses and financial institutions in emerging markets. The platform automates customer onboarding, fraud prevention, and regulatory compliance using biometrics and real-time data validation.

1 investor

Sourcenext is a software and IoT product company that distributes security software, AI-powered productivity tools, office applications, and consumer electronics internationally. The company specializes in cost-effective cybersecurity solutions, AI transcription and document processing tools, and digital productivity software for businesses and individuals.

1 investor

Sparkle AI, based in the United States, builds tooling for product security and compliance work. The software is aimed at teams responsible for meeting security requirements and audit obligations.

1 investor

SpartanX offers an autonomous, continuous AI red-teaming and penetration-testing platform that hunts for exploitable vulnerabilities across web, mobile, network, cloud, API, and AI/LLM systems, validating findings with proof-of-concept evidence. It targets enterprises with compliance requirements (PCI DSS, NYDFS, GLBA, DORA) and provides developer-ready remediation with framework mapping.

1 investor

Speakeasy provides an enterprise control plane for AI that lets companies securely manage and distribute MCP servers, skills, and AI assistants with fine-grained permissions, threat detection, and observability. It offers centralized governance, data-leak prevention, integrations with SaaS tools and identity providers, and usage analytics for organizations rolling out AI to their teams.

1 investor

EverFend detects financial fraud targeting seniors by analyzing conversation patterns and communication behaviors to identify manipulation tactics before money transfers occur. The platform alerts family members and trusted contacts when deception signals emerge, focusing on elder fraud prevention.

1 investor

SPECTRA certifies managed service providers (MSPs) through its Certification of Resilience program, positioning them as trusted cybersecurity providers for businesses and their insurers. The company operates at the intersection of cyber risk management and cyber insurance, serving MSPs and the insurance market.

1 investor

Spectronix develops multi-sensor monitoring systems using computer vision and AI to detect human behavior and vital signs in monitored spaces. The technology serves security and safety applications in high-security environments through privacy-preserving skeletal visualization.

1 investor

Spectrum is a security platform that automates detection authoring, coverage monitoring, and threat research across SIEMs, EDRs, and data lakes. The platform enables security teams to identify detection gaps, create production-grade detections, and maintain resilient coverage across their security infrastructure.

1 investor

Spera (now part of Okta as Identity Security Posture Management/ISPM) provides continuous scanning and analysis of an organization's identity graph to detect risks across human and non-human identities, including shadow admin accounts, dormant users, missing MFA, and permission creep. The platform helps security and IT teams prioritize and remediate identity vulnerabilities and support compliance.

1 investor

SPHERE is a software company whose SPHEREboard platform automates identity risk reduction, providing visibility, ownership mapping, and least-privilege enforcement for enterprises. It focuses on identity hygiene and identity intelligence for highly regulated, security-conscious organizations such as financial services firms.

1 investor

Sphere is an interior fitout and construction company specializing in partitions, doors, glazing, cladding, and carpentry for commercial projects. The company delivers full fitout services for office and commercial spaces with a focus on long-term client relationships.

1 investor

Spherical Defense develops an API security platform using deep learning to detect and prevent attacks by identifying anomalies in API traffic patterns. The company serves organizations seeking to protect their applications from API-based security threats.

1 investor

Sphinx Labs builds AI agents that perform compliance work such as onboarding checks, watchlist screening, risk scoring, and alert resolution by logging into a team's existing systems and clicking and typing like a human analyst. The product targets enterprise compliance teams and requires no API integration or engineering support.

1 investor

Spice Labs provides software scanning and cryptographic analysis tools that generate artifact dependency graphs of software systems and assist organizations in managing their transition to post-quantum cryptography. The platform serves development teams and enterprises seeking to understand software dependencies and remediate security vulnerabilities.

1 investor

SpiderDAO is a hardware-based DAO governance framework built on Polkadot that combines hardware and software tools to enable fairer on-chain voting and mitigate issues like plutocracy, vote-buying, and whale manipulation. It also provides tools aimed at bringing online privacy to end users.

1 investor