---
description: Discover and compare Free Network Security Software Applications & Tools. Capterra is a free interactive tool that lets you quickly narrow down your software selection, contact multiple vendors, and compare platforms for your business.
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title: Free Network Security Software - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Free Network Security Software](https://www.capterra.co.uk/directory/30003/network-security/software) > [Page 3](https://www.capterra.co.uk/directory/30003/network-security/software?page=3)

# Network Security Software

Canonical: https://www.capterra.co.uk/directory/30003/network-security/software

Page: 3 / 3\
Prev: [Previous page](https://www.capterra.co.uk/directory/30003/network-security/pricing/free/software?page=2)

> Network Security software prevents unauthorized access to a computer network.  Organizations use these applications to prevent unauthorized, malicious or inadvertent intrusions into or usage of secure systems.  Network Security solutions are designed to recognize legitimate traffic over today's complex enterprise networks and isolate abnormal events for further investigation as well as to perform key security audit and regulatory compliance functions.  Features can include anti-spam, anti-virus, and intrusion detection.  Network Security software is related to Computer Security software and Network Monitoring software.

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## Products

1. [ManageEngine Key Manager Plus](https://www.capterra.co.uk/software/159539/manageengine-key-manager-plus) — 4.5/5 (2 reviews) — Web-based SSH key and SSL/TLS certificate management solution for enterprises
2. [ThreatSTOP DNS Defense](https://www.capterra.co.uk/software/1013818/dns-defense) — 5.0/5 (2 reviews) — ThreatSTOP DNS Defense turns your existing DNS into true Protective DNS (PDNS) with continuous updates from 900+ feeds.
3. [VIPole](https://www.capterra.co.uk/software/149592/vipole) — 4.0/5 (1 reviews) — Secure business communications with encrypted messages, calls, video, sharing and collaboration tools, all in one platform.
4. [Haltdos](https://www.capterra.co.uk/software/157928/haltdos) — 2.0/5 (1 reviews) — Haltdos secure your production environment against critical cyber-attacks—whether your data and apps are on-premises or in the cloud.
5. [DNS Firewall](https://www.capterra.co.uk/software/162984/dns-firewall) — 5.0/5 (1 reviews) — Authoritative, dynamic and geo-DNS, traffic balancing, CDN offload, domain services and DNS firewall. With full DNSSEC support.
6. [AIONCLOUD](https://www.capterra.co.uk/software/163643/aioncloud) — 5.0/5 (1 reviews) — A cloud-based web security service to protect your website that provides Cloud WAF and SITECHECKER.
7. [BelkaVPN](https://www.capterra.co.uk/software/1015502/belkavpn) — 4.0/5 (1 reviews) — BelkaVPN is designed to help businesses securely access websites through an encrypted connection and block malware \& advertisements.
8. [Server Suite](https://www.capterra.co.uk/software/1026959/server-suite) — 5.0/5 (1 reviews) — Delinea Server Suite secures privileged access for on-premise environments.
9. [MeghOps](https://www.capterra.co.uk/software/1042516/meghops) — 5.0/5 (1 reviews) — MeghOps is a provider of all-in-one cyber security solution. With the help of MeghOps cloud security platform, cloud security comp
10. [OpenText Network Node Manager](https://www.capterra.co.uk/software/1048384/network-node-manager-i) — 5.0/5 (1 reviews) — Comprehensive wired and wireless network management tools supporting the FCAPS model.
11. [Sqreen](https://www.capterra.co.uk/software/155610/sqreen) (0 reviews) — Sqreen is a monitoring and protection platform made to be incredibly powerful yet very easy to use.
12. [CloudSploit](https://www.capterra.co.uk/software/155577/cloudsploit) (0 reviews) — Automated AWS Security and configuration monitoring to maintain a secure and compliant cloud infrastructure environment.
13. [OZON](https://www.capterra.co.uk/software/162965/ozon) (0 reviews) — OZON protect eCommerce site, data and transactions against all web cyber-attacks, hackers, fraudsters and malicious bots.
14. [CloudEye](https://www.capterra.co.uk/software/168791/cloudeye) (0 reviews) — CloudEye Continuously Secure your cloud services and automate compliance. Continuous Security Scanning and Alert on Vulnerabilities.
15. [Fluxguard](https://www.capterra.co.uk/software/174483/fluxguard) (0 reviews) — Fluxguard is the best-in-class solution for web change monitoring, delivering advanced intelligence with AI-powered insights.
16. [NCP Secure Communication](https://www.capterra.co.uk/software/174766/ncp) (0 reviews) — NCP offers a VPN for secure, scalable management of complex private networks in challenging environments.
17. [DDoS-GUARD](https://www.capterra.co.uk/software/193122/ddos-protection) (0 reviews) — Comprehensive protection against DDoS attacks. Protects websites as well as Data Centers' or Providers' networks.
18. [SHIELDEX](https://www.capterra.co.uk/software/207148/shieldex) (0 reviews) — CDR solution that only permits safe contents and fundamentally eliminates space within the file where malicious code can be inserted.
19. [Crowdsec](https://www.capterra.co.uk/software/213785/crowdsec) (0 reviews) — CrowdSec is a security automation engine, using local IP behavior detection \& leveraging our community-driven IP reputation database.
20. [Chariot](https://www.capterra.co.uk/software/1033185/chariot) (0 reviews) — Chariot is a continuous offensive security platform.
21. [Todyl Security Platform](https://www.capterra.co.uk/software/1037200/todyl-security-platform) (0 reviews) — Todyl is a modular cybersecurity software platform that consolidates SASE, SIEM, EDR, and more capabilities into a single agent.
22. [IBM NS1 Connect](https://www.capterra.co.uk/software/1067684/IBM-NS1-Connect) (0 reviews) — IBM NS1 Connect is an authoritative domain name system (DNS) and traffic steering software that helps improve network performance.
23. [Trapster](https://www.capterra.co.uk/software/1069967/Trapster) (0 reviews) — Cloud-based network security software that uses honeypots to discreetly monitor network traffic and report suspicious activities.

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Prev: [Previous page](https://www.capterra.co.uk/directory/30003/network-security/pricing/free/software?page=2)

## Related Categories

- [Cloud Security Software](https://www.capterra.co.uk/directory/31344/cloud-security/software)
- [Computer Security Software](https://www.capterra.co.uk/directory/10005/computer-security/software)
- [Network Monitoring Tools](https://www.capterra.co.uk/directory/30019/network-monitoring/software)
- [MSP Software](https://www.capterra.co.uk/directory/30921/msp/software)
- [Endpoint Protection Software](https://www.capterra.co.uk/directory/30907/endpoint-protection/software)

## Links

- [View on Capterra](https://www.capterra.co.uk/directory/30003/network-security/software)
- [All Categories](https://www.capterra.co.uk/directory)

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