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Network Security

Firewalls, intrusion detection, network monitoring, segmentation, and secure access.

350 companies match — showing 24 at a time Show All 350 Companies →
45 /100

Mailprotector

MSP-exclusive, white-labeled email security platform (Shield) offering encrypted email, anti-phishing filtering, continuity, and archiving from a single console.

Emerging / Unranked Network Security
45 /100

Albarius

Albarius automates firewall policy management and cross-vendor migration with attack path analysis, founded by a former IDF Unit…

Emerging / Unranked Network Security
45 /100

Enclave Networks

Enclave Networks is a UK-based startup offering zero trust network access as a lightweight VPN replacement, aimed primarily…

Emerging / Unranked Network Security
45 /100

Clavister

Publicly traded Swedish network security vendor selling physical and virtualized firewalls, with a customer base concentrated among telecom…

Emerging / Unranked Network Security
45 /100

Agari

Identity-based email security engine, now operating as Fortra's Agari, using machine learning trained on legitimate mail relationships to…

Emerging / Unranked Network Security
45 /100

Frenetik

A Maryland startup using a newly patented technique that rotates real cloud identities and resources to mislead attackers…

Emerging / Unranked Network Security
45 /100

Interface Masters Technologies

Silicon Valley OEM manufacturer of network TAPs, bypass switches, and packet brokers that feed traffic to IPS, IDS,…

Emerging / Unranked Network Security
45 /100

Lumeus.ai

A seed-stage San Jose Zero Trust networking startup extending policy enforcement to AI coding agents, acquired by Fiddler…

Emerging / Unranked Network Security
45 /100

Orbcom

Porto-based Portuguese cybersecurity, network and managed-services provider (about EUR 15M revenue, about 80 staff); acquired by Nomios in…

Emerging / Unranked Network Security
45 /100

GoodAccess

GoodAccess is a European SASE/ZTNA vendor offering secure remote access, cloud, and data-center connectivity that it markets as…

Emerging / Unranked Network Security
45 /100

OpenVPN Inc.

OpenVPN Inc. is the commercial company behind the widely used open-source OpenVPN protocol, offering self-hosted (Access Server) and…

Emerging / Unranked Network Security
45 /100

Light Rider

Maryland quantum-integration company building quantum-entropy and quantum-LiFi security products, founded by a former U.S. Army cyber officer.

Emerging / Unranked Network Security
45 /100

Cymbel

A Boston-area IT security integrator specializing in Zero Trust network architecture design, deployment, and managed SOC services built…

Emerging / Unranked Network Security
45 /100

APCON

Privately held network packet broker and visibility fabric maker whose IntellaView hardware feeds clean, deduplicated traffic to security…

Emerging / Unranked Network Security
45 /100

FatPipe Networks

FatPipe Networks is a Salt Lake City-based networking pioneer that claims original SD-WAN patents and now sells a…

Emerging / Unranked Network Security
43 /100

macmon secure

macmon secure, a German Network Access Control and Software-Defined Perimeter vendor, was acquired by industrial networking company Belden…

Emerging / Unranked Network Security
43 /100

UM-Labs

UK-based niche vendor that adds a vendor-agnostic security overlay — encryption and authentication — to SIP/VoIP unified communications…

Emerging / Unranked Network Security
43 /100

SonicWall

A firewall and security vendor focused on small and mid-sized businesses, offering subscription-based appliances and a growing cloud-native…

Emerging / Unranked Network Security
43 /100

Enigmatos

Enigmatos provides cyberattack detection and deep data analysis for connected commercial vehicle fleets, backed by a partnership in…

Emerging / Unranked Network Security
43 /100

MailChannels

Vancouver-based outbound spam and abuse filtering vendor for web hosting providers, protecting shared infrastructure IP reputation.

Emerging / Unranked Network Security
43 /100

Link22

A Swedish cross-domain secure-communications specialist for defense, 60% acquired by MW Group.

Emerging / Unranked Network Security
43 /100

BUFFERZONE

Endpoint-native containment and isolation software that traps risky browsing, email, and file activity in a virtual container without…

Emerging / Unranked Network Security
43 /100

Shieldworkz

India-based OT and industrial-control cybersecurity vendor providing asset visibility, threat detection, and compliance mapping for critical infrastructure.

Emerging / Unranked Network Security
43 /100

SEPPmail

A Swiss email-security specialist expanding into human-risk management by acquiring Danish security-awareness-training provider CyberPilot (1,000+ customers) in August…

Emerging / Unranked Network Security