Startups Directory

Armis provides an agentless cybersecurity platform that identifies, monitors, and protects managed, unmanaged, and IoT devices across enterprise networks in real-time. Unlike traditional solutions requiring agent installation, Armis uses passive network monitoring and an AI-powered Asset Intelligence Engine to detect threats across the entire attack surface regardless of device type or operating system. The platform serves Fortune 100/500 companies and government entities, delivering comprehensive asset visibility and threat detection without the operational overhead of agent deployment.

SonarSource provides a unified code quality and security analysis platform that scans over 750 billion lines of code daily across 35+ programming languages. The company offers SonarQube (self-managed and cloud), SonarQube for IDE, and related tools to help engineering teams prevent bugs, vulnerabilities, and code quality issues before they reach production. Used by 75% of Fortune 100 companies and 7M+ developers globally, SonarSource positions itself as the 'clean code' platform combining quality, security, and maintainability—differentiating from point solutions focused solely on security.

Netskope is a cloud-native security platform that provides converged security and networking services through a CASB (Cloud Access Security Broker) and SASE architecture. The company monitors and governs cloud, SaaS, web, and private application traffic while preventing data theft and malware attacks using policies, algorithms, and heuristics. Netskope serves enterprises needing zero-trust security at scale, with 25% of Fortune 100 companies as customers. The platform went public in September 2025 after raising $1.44B across 9 funding rounds.

Arctic Wolf delivers cloud-native managed detection and response (MDR) and security operations services through its AI-driven Aurora Platform, serving mid-market to enterprise organizations across endpoints, networks, cloud environments, and web applications. The company's Security Operations Graph processes over nine trillion telemetry events weekly, built on golden datasets curated by 1,000+ security experts over 14+ years, to detect ransomware, malware, and advanced threats without alert fatigue. Arctic Wolf's managed service delivery model differentiates it from point solutions—Concierge Security Teams provide 24/7 monitoring, automated remediation, and expert analysis aligned with customer business context. The company has established itself as the system-of-record platform in cybersecurity operations, serving 6,000+ customers globally.

eSentire is a cloud-native managed detection and response (MDR) platform that combines AI/ML with 24/7 human-led threat hunting to detect and contain cyber attacks in under 15 minutes. The company serves 2,000+ organizations across 80+ countries and 35 industries, with particular strength in financial services, legal, healthcare, and government. eSentire differentiates through its Atlas XDR platform, elite threat hunter access, and Threat Response Unit (TRU) for advanced incident investigation, complemented by digital forensics capabilities acquired through CyFIR.

Quantinuum develops trapped-ion quantum computing hardware and software middleware for enterprise applications in cybersecurity, drug discovery, materials science, and financial modeling. The company operates Helios, the world's most accurate commercial quantum computer with 98 fully connected qubits and 99.9975% single-qubit gate fidelity. Its software products, including InQuanto for quantum chemistry simulations and TKET optimization toolkit, enable organizations to run production quantum applications on Quantinuum's hardware and other quantum platforms.

CyberCube provides AI-powered cyber risk analytics and modeling software that translates cybersecurity exposures into quantified financial risk for insurance underwriting and portfolio management. The platform serves insurers, reinsurers, and brokers across the cyber insurance value chain, enabling data-driven decision-making beyond traditional underwriting factors like industry and geography. CyberCube's actuarial science combined with big data AI can predict risk multipliers (2x, 10x, 20x) for individual companies, and has demonstrated forecast accuracy within 1% of actual industry loss ratios. The company is trusted by 75% of top 40 US/European cyber insurers and commands over two-thirds of the global cyber reinsurance market by premium.

Cybereason is a cybersecurity platform combining EDR (Endpoint Detection and Response), XDR (Extended Detection and Response), and next-gen antivirus to detect and remediate threats across endpoints, servers, cloud workloads, and networks. Founded by Israeli Unit 8200 veterans, the platform uses behavioral analysis and cross-machine correlation to identify complex attacks with exceptional accuracy. The company has achieved perfect scores in MITRE ATT&CK evaluations and is trusted by Fortune 500 companies including Lockheed Martin. It differentiates through deep expertise in offensive cyber operations translated into defensive capabilities, enabling threat hunting and root cause analysis at scale.

ExtraHop delivers a Network Detection and Response (NDR) platform called RevealX that applies cloud-scale AI to analyze petabytes of encrypted traffic daily across hybrid and multi-cloud environments. It combines NDR, network performance management, intrusion detection, and packet forensics in a single console to automatically discover devices, users, and applications while detecting threats and anomalies in real-time. The platform analyzes over 5,000 metrics and uses machine learning to baseline behavior and identify risks across all infrastructure and data-in-flight.

Claroty is an industrial cybersecurity platform that provides agentless, passive monitoring of OT, IoT, and IIoT assets across critical infrastructure environments. The platform integrates with existing security infrastructure to deliver visibility, threat detection, vulnerability management, and secure remote access without disrupting operational networks. Claroty's approach uses network traffic analysis rather than active scanning, making it the only practical solution for securing PLCs and SCADA systems that cannot tolerate downtime. The company serves Fortune 100 organizations in energy, manufacturing, pharmaceuticals, and other critical sectors.

Nord Security is an integrated cybersecurity platform providing VPN, password management, encrypted cloud storage, identity theft protection, and threat exposure management for both consumers and businesses. Founded in Lithuania in 2012 as NordVPN and formalized as an umbrella company in 2017, Nord Security operates a suite of interconnected security products including NordVPN, NordPass, NordLocker, NordLayer, NordProtect, NordStellar, and Saily. The company addresses fragmented digital security needs by offering enterprise-grade solutions that share consistent security standards across consumer and B2B segments. With $200M in funding and a $3B valuation as of September 2023, Nord Security serves millions globally through both freemium and premium tiers.