Network Security
Firewalls, intrusion detection, network monitoring, segmentation, and secure access.
AT&T Business
A telecom incumbent delivering network-native security via AT&T Dynamic Defense, managed SASE, and LevelBlue.
Rhebo
A Leipzig-based OT and IIoT security company providing non-intrusive network anomaly detection and monitoring for critical infrastructure and…
Gatewatcher
A French network detection and response vendor named a Gartner Magic Quadrant Visionary, backed by EUR25 million in…
RazorSecure
RazorSecure provides real-time cybersecurity monitoring for onboard train systems and trackside rail infrastructure, backed by a cooperation agreement…
Opscura
Spanish OT/ICS security vendor that cloaks industrial network traffic at Layer 2 to protect legacy, unpatchable operational technology…
HEQA Security
Israeli maker of quantum-safe appliances combining quantum key distribution with post-quantum cryptography overlays; formerly QuantLR.
Kentik
Network observability platform for real-time traffic visibility and DDoS detection across cloud and internet infrastructure, acquired by Infoblox…
Allot
A publicly traded (Nasdaq/TASE: ALLT) Israeli network intelligence vendor that sells DDoS protection and Security-as-a-Service bundles directly through…
QTI (Quantum Telecommunications Italy)
Florence quantum key distribution (QKD) company, a spin-off of the Italian CNR optics institute and a subsidiary of…
FirstPoint Mobile Guard
Network-based cellular security for mobile fleets and cellular-connected IoT that blocks SS7/telecom-layer attacks without installing software on the…
SecuLore
SecuLore builds Paladin, a passive network-monitoring appliance purpose-built to protect 911 dispatch centers and public safety networks, and…
Dream Security
A Tel Aviv sovereign AI and cyber-defense company, co-led by Shalev Hulio and Sebastian Kurz, valued at $3B…
Enea (AdaptiveMobile Security)
Enea's telecom-focused security division protecting mobile network operators from signaling fraud, SMS spam, and 5G-era network attacks.
Jizo AI
Jizo AI (formerly SESAME IT) builds an AI-driven network detection and response platform for SOC teams, combining full…
Owl Cyber Defense
Pure-play maker of hardware-enforced data diodes and NCDSMO Baseline-listed cross domain solutions for government, defense, and critical infrastructure…
Arbor Networks
Arbor Networks is the DDoS protection brand operated today as NETSCOUT's dedicated security division, built on 25 years…
Auvik Networks
Auvik is a Waterloo, Canada-based network management and monitoring platform used heavily by managed service providers to gain…
Sitehop
UK-based Sitehop builds FPGA hardware encryption appliances for ultra-low-latency, quantum-ready protection of high-speed data-in-motion traffic.
Garland Technology
Garland Technology makes network TAPs, packet brokers, and data diodes that feed security and monitoring tools with reliable,…
Veracity Industrial Networks
Ann Arbor-based OT security vendor applying software-defined networking to build deny-by-default, secure-by-design industrial control system networks for energy,…
Versa Networks
A single-vendor SASE provider offering SD-WAN, NGFW, ZTNA, and now a 'sovereign SASE' option for customers with data-residency…
Akamai (App & API Protector)
Edge-network security business protecting web applications, APIs and DDoS surfaces at global CDN scale.
Halon
Swedish-built MTA and email-security infrastructure platform for high-volume mail operators, now under Intera Partners ownership with an expanded…
SecuLetter
A publicly-listed (KOSDAQ) South Korean cybersecurity firm focused exclusively on Content Disarm and Reconstruction (CDR) for email and…