Series B Cybersecurity companies in Tel Aviv

XM Cyber is transforming the way organizations prevent attacks that put their business at risk with the most reliable Continuous Exposure Management platform. The platform discovers, prioritizes, and drives remediation of validated exposures across on-prem and cloud environments, from the external attack surface all the way to critical assets. With XM Cyber, you can see all the ways attackers might go, and all the best ways to stop them, pinpointing where to remediate exposures with a fraction of the effort.

• Series B
• 445 employees
• Founded 2016

PlaxidityX (formerly Argus Cyber Security) is a global provider of comprehensive, AI-powered security and privacy solutions for connected vehicles and fleets. With more than 80 production projects across the globe, our automotive cybersecurity experts have been developing advanced security technologies since 2014.PlaxidityX offers a unified Vehicle Detection and Response (VDR) platform that integrates in-vehicle protection with AI-powered cloud intelligence. This cohesive architecture secures the vehicle’s digital backbone, supporting intrusion detection, keyless theft prevention, and data analytics to ensure vehicle resilience, data privacy, and regulatory compliance. The company is headquartered in Israel, with a global footprint in the USA, Germany, France, Japan, and Poland.

• Series B
• 123 employees
• Founded 2014

Founded by leading security and IoT experts, SecuriThings empowers operations and IT professionals to automate the management of physical security devices, while also ensuring full compliance and security within their organization. The solution is trusted by Fortune 100 companies and has been deployed across large organizations in various industries including tech, manufacturing, financial, airports, logistics, higher education, healthcare and more. SecuriThings partners with key systems integrators and device manufacturers to provide unmatched insights, coverage and reliability.

• Series B
• 91 employees
• Founded 2016

In the AI-driven world we live in, detection is easy, but context-aware action is essential for resilience. Seemplicity is your agentic Exposure Action PlatformTM that closes the gap between finding an exposure and actually resolving it. Our specialized AI Agents move beyond static rules to transform disparate signals into actionable context, identifying and mitigating risk across identity, cloud, and IT ecosystems. Only Seemplicity operationalizes the transition from overwhelming signals to autonomous, accountable action that reduces risk faster with less friction and more certainty.Learn more at seemplicity.ai

• Series B
• 90 employees
• Founded 2020

Cylus provides rail operators with a specialized cybersecurity solution for operational rail technology systems, ensuring service availability and safety. Combining deep expertise in rail and cybersecurity, Cylus has pioneered a comprehensive rail tech security platform that delivers real-time asset visibility and threat detection and response capabilities across heterogeneous operational rail technology environments. Delivering deep rail context and rail framework compliance to customers across the globe, Cylus is leading the way with a cybersecurity solution that reduces risks and ensures compliance in the face of escalating cyber threats.

• Series B
• 39 employees
• Founded 2017