Cybersecurity Startups

Sierra Wireless, now part of Semtech, develops wireless connectivity products including cellular modules and AirLink routers along with device-to-cloud services for IoT deployments. Its offerings serve businesses across sectors such as energy/smart grid, transportation fleets, home and business security, and public safety.

1 investor

SignalFisher (formerly Bug Bounty Switzerland) runs continuous, expert-validated security testing programs that combine an AI-powered network of vetted security researchers with human oversight to give organizations an up-to-date view of their cyber risk. It serves CISOs and security leaders at enterprises in regulated industries such as banking, finance, insurance, government, healthcare, utilities, and critical infrastructure.

1 investor

SilentSignals develops AI-based tools for detecting fake images and videos (Deepfake Hunter) and for targeted OSINT and threat/sentiment intelligence analysis. It serves forensic analysts, government agencies, and intelligence teams, offering tools built on platforms such as OpenAI ChatGPT, Google Gemini, and Python.

1 investor

SimSpace provides a cyber range platform where security teams train, test, and operationalize AI agents and human analysts in a realistic digital replica of their production environment. Its AI Proving Grounds lets teams continuously stress-test agentic SOC defenses against LLM-based threats.

1 investor

SineWave Ventures is a venture capital firm that invests in data, analytics, networking, cybersecurity, and computing technologies, with a focus on companies bridging commercial and public-sector (government, defense, and intelligence) markets. It backs early-stage companies developing AI/ML developer tooling, adaptive networks, zero-trust security, and high-performance computing.

1 investor

HorizonIQ provides bare-metal servers and managed private cloud infrastructure with dedicated networking, storage, and security services for enterprise workloads. Its offerings emphasize compliance (SOC 2, HIPAA, PCI DSS), redundancy, and a self-service management platform.

1 investor

Singulr provides AI governance software that lets organizations author and enforce policies, map agent dependencies, validate dataset licensing, and track risk records across the lifecycle of AI systems and agents. Its platform includes continuous, application-aware AI red teaming aligned with OWASP LLM Top 10, NIST, and MITRE scenarios and integrated into CI/CD pipelines.

1 investor

Sinpex provides KYC (Know Your Customer) and KYB (Know Your Business) compliance solutions that help organizations verify customer and business identities at scale while maintaining regulatory compliance and reducing risk.

1 investor

A fraud prevention platform that helps companies protect against fraudulent attacks through best practices and anti-fraud features. The company serves enterprise clients seeking to mitigate fraud risks.

1 investor

SiteLock provides website security and malware removal services for hacked sites, offering emergency repair and ongoing monitoring to restore functionality and prevent future attacks. The company serves website owners across ecommerce platforms and small businesses.

1 investor

SIXGEN is a Non-Traditional Defense Contractor that provides cybersecurity solutions for government agencies, critical infrastructure organizations, and enterprises to identify vulnerabilities and defend against advanced cyber threats. Its offerings include operational infrastructure, command-and-control platforms, and multi-domain cyber mission delivery.

1 investor

Sixscape Communications develops secure communications solutions featuring cryptographic authentication and an End2End Direct Connectivity model using IPv6 that removes intermediary servers. The company serves IoT, M2M, and 5G markets with secure communications applications for Windows and mobile devices.

1 investor

Skaylink is a cloud services provider that helps organizations build, migrate, and modernize infrastructure and applications across multiple hyperscaler platforms, and offers managed services along with cloud security and compliance. It serves enterprise clients and has worked with companies such as Henkel, BMW Group, and Continental.

1 investor

Skycoin builds a decentralized Web3 platform that includes Skywire, a peer-to-peer encrypted overlay network, backed by custom Skyminer hardware and its Obelisk consensus algorithm. It offers a cryptocurrency, developer tools, and applications for private communication, storage, and networking.

1 investor

Skydda builds AI agents that autonomously investigate every security alert in a SOC, ingesting logs from a team's existing security stack and producing full reasoning, audit trails, and reports for each decision. It is aimed at security teams overwhelmed by alert volume, functioning like an automated tier-1 analyst layer for alert triage.

1 investor

Skyone offers a multi-cloud platform that integrates ERPs and legacy systems into a unified data lake to build custom AI agents and automate business processes, along with public cloud infrastructure and 24×7 cybersecurity. It serves enterprises seeking cloud migration, data optimization, AI automation, and security compliance (LGPD, ISO 27001).

1 investor

Skysnag provides email authentication solutions designed to protect businesses and individuals against cyber threats and secure digital interactions online.

1 investor

Skyverse develops software solutions for aviation challenges, leveraging expertise from air traffic control and pilot backgrounds. The company addresses operational and technical problems in the aviation industry.

1 investor

Sloop develops a hypertoken platform that reduces AI hallucinations in large language models for high-risk industries including insurance, defense, healthcare, construction, finance, and intelligence. The technology uses quantum and holographic computing-derived methods and is compatible with any existing AI model.

1 investor

Smart Eye Technology provides biometric-driven cybersecurity solutions using continuous facial recognition and behavioral analytics to protect sensitive data and systems from unauthorized access. The company serves businesses seeking to defend against remote access attacks, credential theft, and insider threats in remote and hybrid work environments.

1 investor

Smile ID provides AI-based identity verification and fraud prevention, using biometrics, device and network intelligence, and document and government-database checks trained on local documents and faces. It serves banks, BNPL providers, and other businesses onboarding users in rapidly digitizing markets such as Nigeria and South Africa.

1 investor

Spikerz provides AI-based security for brands' social media and advertising accounts, offering account takeover protection, phishing detection in comments and DMs, permissions management, impersonator removal, and comment moderation. It is aimed at businesses seeking to protect their social and ad channels from unauthorized access and reputation threats.

1 investor

SMOWL provides online proctoring software that authenticates and monitors test-takers via webcam, audio capture, environment scanning, browser lock, and live human supervision, integrating with LMS platforms like Moodle, Canvas, Blackboard and D2L. It serves educational institutions and companies for supervising remote or in-person digital exams, certifications, and recruitment assessments.

1 investor

SMX provides an email security layer that adds to standard Office 365 protection, using dual filtering and honeypots to detect and block phishing, malware, ransomware, and URL-based threats. It also offers email data archiving to reduce false positives and speed IT teams' access to email records.

1 investor