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Top 20 Cybersecurity Companies You Need to Know in 2025

eSecurity Planet

Known for strong next-generation firewalls (NGFW) and endpoint detection and response (EDR) products, it also ranks for network security tools , zero trust , extended detection and response (XDR), IoT security , software-defined wide area network ( SD-WAN ), and secure access service edge (SASE). Visit CrowdStrike 6.

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Top SD-WAN Solutions for Enterprise Security

eSecurity Planet

Launched in 2002 and specializing in wireless networking , Aruba Networks’ success led to its acquisition by Hewlett-Packard in 2015. The vendor’s Secure SD-WAN product sits under Barracuda’s Network Protection solutions alongside zero trust access, industrial security for OT and IoT networks , and SASE.

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Top VC Firms in Cybersecurity of 2022

eSecurity Planet

Company Sector Year Status McAfee Cybersecurity solutions 2021 Acquired: Intel Claroty Industrial cybersecurity 2020 Private Illusive Networks Threat detection and response 2020 Private Jask Autonomous SOC 2018 Acquired: Sumo Logic RiskSense Vulnerability management 2018 Acquired: Ivanti Phantom Cyber SOAR 2017 Acquired: Splunk.

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Top Cybersecurity Companies for 2021

eSecurity Planet

Cybersecurity product categories: Next-generation firewall , UEBA, cloud security, endpoint protection, threat detection and prevention , application framework. Cybersecurity product categories: AI, threat detection, incident response, IDPS. Founded: 2002. Headquarters: Santa Clara, California. Founded: 2005.