Network Security
Firewalls, intrusion detection, network monitoring, segmentation, and secure access.
Firezone
Open-source, WireGuard-based zero trust network access platform offering peer-to-peer encrypted remote access with IdP-integrated, group-based policies.
Accenture
A global systems integrator buying scaled security capability via CyberCX, a $4.175B Dragos stake, runZero, and NetRise.
Sparkle
International carrier (Telecom Italia Sparkle) that has launched quantum-safe network services; tracked here for those services only.
Red Trident Inc
A Houston-based, veteran-owned OT/ICS cybersecurity firm delivering continuous monitoring, threat hunting, and assessment services for energy, water, and…
Stamus Networks
Suricata-based network detection and response (NDR) vendor offering transparent, tunable detection logic under its Clear NDR platform.
Niagara Networks
Network visibility vendor building packet brokers, bypass switches, and TAPs that feed the right traffic to security and…
ClearVPN (MacPaw)
One-tap consumer VPN from Ukrainian software company MacPaw, offering encrypted browsing and free access for Ukrainian users.
Telesoft Technologies
Telesoft Technologies builds carrier-scale network monitoring and FPGA-accelerated threat detection hardware and software used by telecom operators, governments,…
Libraesva
An Italian email-security specialist (about 40 employees) extending into awareness training through its Cyber Guru acquisition.
MokN
A Paris decoy-portal credential-theft prevention startup, Google Ventures' first French investment.
TCPWave
DDI (DNS, DHCP, IPAM) platform with security-hardened DNS built in to defend against DDoS, tunneling, and data exfiltration…
Prosimo
Prosimo provides a multicloud networking and security platform that combines application-aware connectivity, security controls, and cloud cost management…
Invisinet Technologies
A Houston zero-trust vendor using patented First Packet Authentication to cloak OT and IoT networks at the protocol…
HPE Aruba Networking
HPE's Aruba networking division, whose ClearPass Policy Manager delivers Zero Trust network access control integrated with 150+ third-party…
IO River
A Boston multi-CDN orchestration startup reducing edge-vendor lock-in, which raised a $20M Series A in January 2026.
PacketWatch
Scottsdale-based threat hunting firm offering proprietary packet-level network monitoring, managed detection and response, and incident response services.
Zuul IoT
Maryland-based OT and industrial IoT security platform combining device identity, behavioral endpoint protection, and passive network defense for…
Twenty
An Arlington defense startup building AI-powered offensive cyber tools, a unicorn about a year after emerging from stealth.
Genians
Genians is South Korea's leading Network Access Control vendor, extending its NAC engine into Zero Trust Network Access…
MixMode
MixMode is an AI-driven network detection and response vendor using unsupervised machine learning to baseline normal network behavior…
SafeHouse Tech
Indo-Israeli cloud security platform that sits as the first point of contact for internet traffic, with a flagship…
ElastiFlow
An Oakland-based network observability company offering unsampled flow data collection, marketed for both network performance monitoring and security…
Parsons
A NYSE-listed engineering firm that acquired utility OT cybersecurity vendor IPKeys Power Partners for $43M.
VIPRE Security Group
A Ziff Davis-owned email and endpoint security vendor built on a 25-plus-year threat intelligence lineage, now expanding into…