Compare the Top Firewall Software in Japan as of October 2026

What is Firewall Software in Japan?

Firewall software is a security tool that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Acting as a barrier between a trusted internal network and untrusted external networks, firewalls help prevent unauthorized access and protect against cyber threats. They work by analyzing data packets and determining whether they should be allowed through based on set policies, blocking potentially harmful traffic. Modern firewalls often incorporate advanced features like intrusion prevention, application filtering, and deep packet inspection to strengthen security further. By providing this critical layer of protection, firewall software safeguards sensitive data and ensures the integrity of networked systems. Compare and read user reviews of the best Firewall software in Japan currently available using the table below. This list is updated regularly.

  • 1
    Servers.com by Nexcess
    Servers.com by Nexcess provides hybrid bare metal cloud infrastructure designed to help businesses scale, customize, and manage their server environments from a unified platform. The company offers a range of solutions including Scalable Bare Metal, Enterprise Bare Metal, AI Compute, and Managed Kubernetes to support diverse workload requirements. Its global network of strategically located data centers helps organizations reduce latency and improve performance for users around the world. Servers.com serves industries such as gaming, fintech, adtech, streaming, SaaS, iGaming, and Web3, delivering reliable infrastructure tailored to each sector's needs. The platform combines dedicated bare metal resources with flexible deployment options to help businesses balance performance, scalability, and cost. With high-performance networking, resource isolation, and global connectivity, Servers.com enables organizations to support mission-critical applications and demanding workloads.
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  • 2
    ThreatLocker

    ThreatLocker

    ThreatLocker

    ThreatLocker is a Zero Trust Platform that prevents cyber threats by blocking unknown applications, enforcing least privilege, and controlling what can run across your environment. Using Allowlisting, Ringfencing, Network Control, and more, ThreatLocker stops ransomware, zero-day attacks, and unauthorized activity before execution, rather than relying on detection after the fact. Built for modern IT and cybersecurity teams, the platform delivers centralized visibility and policy management across endpoints, users, and applications. ThreatLocker reduces attack surface, limits lateral movement, and supports compliance with detailed audit logs. With fast deployment, a large built-in application library, and streamlined approvals, organizations can strengthen security while minimizing operational overhead and maintaining business continuity.
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  • 3
    Imunify360

    Imunify360

    CloudLinux, Inc.

    Imunify360 is a security solution for web-hosting servers. Imunify360 goes beyond antivirus and WAF and is a combination of an Intrusion Prevention and Detection system, a Application Specific Web Application Firewall, Real-time Antivirus protection, a Network Firewall, and Patch Management components in one security suite. Imunify360 is a fully-automated solution and it collects all statistics under an intuitive dashboard.
    Starting Price: $12
  • 4
    Cisco Meraki
    Network security is hard. Current solutions are complex and tedious to implement. Learn how to simplify security with Cisco Meraki! Trusted by influential brands around the world. With over a million active networks and counting, organizations far and wide count on Meraki to help deliver premium, reliable experiences. All Cisco Meraki devices are centrally and securely managed from the cloud using a single web-based dashboard. Our feature-rich, intuitive architecture enables customers to save time, reduce operating costs, and solve new business problems. The industry standard for easy-to-manage, fast and dependable Wi-Fi. Protect and securely connect what matters most, regardless of location. Uncompromising performance and reliability at the heart of your network. Remote monitoring and identity-based configuration for all your devices.
    Starting Price: $40.00
  • 5
    Zscaler

    Zscaler

    Zscaler

    Zscaler, creator of the Zero Trust Exchange platform, uses the largest security cloud on the planet to make doing business and navigating change a simpler, faster, and more productive experience. The Zscaler Zero Trust Exchange enables fast, secure connections and allows your employees to work from anywhere using the internet as the corporate network. Based on the zero trust principle of least-privileged access, it provides comprehensive security using context-based identity and policy enforcement. The Zero Trust Exchange operates across 150 data centers worldwide, ensuring that the service is close to your users, co-located with the cloud providers and applications they are accessing, such as Microsoft 365 and AWS. It guarantees the shortest path between your users and their destinations, providing comprehensive security and an amazing user experience. Use our free service, Internet Threat Exposure Analysis. It’s fast, safe, and confidential.
  • 6
    Kamatera

    Kamatera

    Kamatera

    With our comprehensive suite of scalable cloud services, you can build your cloud server, your way. Kamatera’s infrastructure specializes in VPS hosting, with a choice of 24 data centers worldwide, including 8 data centers across the US as well as locations in Europe, Asia, and the Middle East. Our enterprise-grade cloud servers can meet your needs at every stage. We use cutting-edge hardware, such as Ice Lake Processors and NVMe SSD, to deliver consistent speed and 99.95% uptime. With a robust service like ours, you can expect plenty of great features, such as fantastic hardware, flexible and scalable cloud setup, fully managed hosting, windows server hosting, data security and safety, consultation, server migration, and disaster recovery. Our technical staff is always on duty, with 24/7 live support to assist you across all time zones. And our flexible, predictable pricing plans means you’ll only pay for what you use with our hourly or monthly billing options.
    Starting Price: $4 per month
  • 7
    Avast Small Business Solutions
    Avast Small Business Solutions deliver next-gen endpoint protection for business Windows PCs, Mac, and Windows servers that you can manage anywhere via a web browser. Our robust, easy-to-use security for devices, data, and applications is designed to keep small organizations and their employees safer online. Avast antivirus with multiple layers of security, online privacy, and remote-control features provides powerful cybersecurity controlled via a cloud-based management console. Avast Small Business Solutions are managed via cloud-based management console Avast Business Hub and consist of: * Avast Essential Business Security   * Avast Premium Business Security - combines our next-gen antivirus with VPN and USB control) * Avast Ultimate Business Security - award-winning next-gen antivirus with online privacy tools and patch management automation software
    Starting Price: $39.99/device/year
  • 8
    Barracuda CloudGen Firewall
    Get comprehensive protection for on-premises and multi-cloud deployment using the firewall built in and for the cloud. Frictionless, cloud-hosted Advanced Threat Protection detects and blocks advanced threats, including zero-day and ransomware attacks. Gain rapid protection against the newest threats with the help of a global threat intelligence network fed by millions of data collection points. Modern cyber threats such as ransomware and advanced persistent threats, targeted attacks, and zero-day threats, require progressively sophisticated defense techniques that balance accurate threat detection with fast response times. Barracuda CloudGen Firewall offers a comprehensive set of next-generation firewall technologies to ensure real-time network protection against a broad range of network threats, vulnerabilities, and exploits, including SQL injections, cross-site scripting, denial of service attacks, trojans, viruses, worms, spyware, and many more.
  • 9
    Akamai Cloud
    Akamai Cloud (formerly Linode) is the world’s most distributed cloud computing platform, designed to help businesses deploy low-latency, high-performance applications anywhere. It delivers GPU acceleration, managed Kubernetes, object storage, and compute instances optimized for AI, media, and SaaS workloads. With flat, predictable pricing and low egress fees, Akamai Cloud offers a transparent and cost-effective alternative to traditional hyperscalers. Its global infrastructure ensures faster response times, improved reliability, and data sovereignty across key regions. Developers can scale securely using Akamai’s firewall, database, and networking solutions, all managed through an intuitive interface or API. Backed by enterprise-grade support and compliance, Akamai Cloud empowers organizations to innovate confidently at the edge.
  • 10
    F5 BIG-IP Advanced Firewall Manager
    DDoS attacks saturate bandwidth, consume network resources, and disrupt application services. Can your infrastructure successfully fend them off? Advanced Firewall Manager mitigates network threats before they disrupt critical data center resources. Unifies application configuration with network security policy for tighter enforcement. Identifies and mitigates network, protocol, DNS threats, before they reach critical data center resources. Supports SNMP, SIP, DNS, IPFIX collectors, and protects log servers from being overwhelmed. Protects data center resources with purpose-built defenses augmented by F5 threat data. Understand traffic patterns into the data center with customizable reports and analytics. Mitigate sophisticated zero-day threats or gather critical forensics using F5 iRules. Defends your network infrastructure and mobile subscribers from attacks such as DDoS.
  • 11
    ZoneAlarm Extreme Security NextGen
    ZoneAlarm for Business offers comprehensive, advanced, and flexible solutions for unmanaged businesses such as small businesses, Telco’s, government municipalities, and other businesses with little to no IT resources. With its easy deployment and maintenance, ZoneAlarm for Business offers you Check Point’s vigorous multi-platform protection and support, made simple. ZoneAlarm Extreme Security NextGen is the comprehensive, ultimate PC and mobile security solution for all your business security needs, using Check Point’s cutting-edge enterprise-grade technology. Next-gen antivirus with award-winning Anti-Ransomware, advanced phishing protection, and secure browsing experience. Our advanced cyber security solutions use business-class protection to secure millions of home users’ PCs and mobile devices against the latest worldwide cyber threats. This powerful weapon is extremely effective at spotting malicious files and cyberattacks that evade traditional antiviruses.
    Starting Price: $44.95 per year
  • 12
    UltraDNS

    UltraDNS

    Vercara

    UltraDNS is an enterprise grade, cloud-based authoritative DNS service that securely delivers fast and accurate query responses to websites and other vital online assets. Enterprise grade, managed authoritative DNS service that ensures 100% website availability along with built-in security for superior protection. In a connected world, as Internet users expect seamless and secure online experiences, DNS has become more difficult and complex to manage than ever before. The emergence of IoT devices and online threats leave businesses struggling to find the correct DNS strategy for their IT needs. Having the experience and DNS know-it-all in-house is nearly impossible, let alone having the dedicated resources to correctly manage and implement a sound strategy to meet today’s Internet demands. Ensure that your website and other online assets are always available. Backed by our 100% uptime guarantee and industry leading SLAs, UltraDNS offers a global platform.
    Starting Price: $49.00 per month
  • 13
    Prophaze WAF

    Prophaze WAF

    Prophaze Technologies

    Prophaze Cloud WAF protects organizations from malicious hackers who are trying to attack and steal data from Web Applications or Mobile App Gateways or APIs. Unlike traditional firewalls, Prophaze WAF exclusively protects web and mobile APIs from security breach using its Adaptive Profiling and Behavioral-based machine learning algorithms. The product is built natively on Kubernetes Platform and secures customers Kubernetes clusters and cloud infrastructure from various attack vectors.
    Starting Price: $299 per month
  • 14
    VyOS

    VyOS

    VyOS Networks

    VyOS Networks is the global leader in open networking for organizations that need secure, scalable, automated networking across bare metal, cloud, and edge. Designed with flexibility and scalability in mind, VyOS provides an enterprise-grade networking platform for consistent operations and automation at scale, delivering full control and high performance with zero vendor lock-in. Our mission is to restore ownership of network infrastructure to our users through transparent, vendor-neutral networking. VyOS Universal Router provides a single, consistent networking layer across all of them: • Same operating system • Same configuration model • Same CLI and APIs • Same automation workflows • Same operational model across tenants and regions Your network, your rules.
    Starting Price: $7500
  • 15
    Guardian

    Guardian

    Guardian

    Guardian is the safest and most secure way to protect your privacy and data while using apps and browsing the web on your iOS device. Your IP address will be hidden from any websites visited as traffic is routed through our firewall servers, making it more difficult for advertisers to track you. Your password, financial information and other sensitive data will be protected anywhere you go using strong AES-256 encryption to thwart hackers. Guardian adds an extra layer of strong encryption to all outgoing network traffic and filters out known junk to improve your mobile experience. Grant permissions to specific apps on your device, knowing that any attempt to send data to unwanted trackers will be blocked. Blocks unwanted connections to location trackers, mail trackers, generic data trackers, and other online nuisances
    Starting Price: $0.99 per day
  • 16
    Protectstar Firewall AI
    Android Firewall is not only ready to use in seconds but also protects you from hacker attacks and notifies you when an app tries to send data to the internet. Get a real-time view of which apps are accessing which servers or wasting mobile data. With simple filter rules, you can even allow or deny certain connections of an app. With the firewall, you can monitor and block this data traffic. You can also completely block the online access of an app. The AI Android firewall can block unwanted access from known intelligence agencies and government organizations. With our built-in Intrusion Prevention System (IPS), all known servers and IP addresses of the FBI, CIA, NSA, GCHQ, and many more are automatically blocked. If there is an access attempt, you will receive a special warning. Firewall AI protects you from spy servers in countries like China, Iran, and Russia, as well as mobile trackers.
    Starting Price: $9.90 per year
  • 17
    Bit Guardian Firewall
    Bit Guardian Firewall is a robust security solution designed to provide a safe, secure, and seamless browsing experience. It offers real-time protection against malicious content by blocking unsafe URLs and filtering unwanted websites and applications. The software includes an ad-blocking feature to eliminate distracting and potentially harmful pop-up and banner ads, ensuring uninterrupted browsing. Additionally, Bit Guardian Firewall safeguards user privacy by preventing online tracking, allowing users to connect to their favorite websites without the fear of being traced. For enhanced security, it offers add-on protection with Avira's malware databases, providing an impenetrable layer against online and offline threats. The firewall is compatible with Windows operating systems and is developed by Bit Guardian GmbH, a leading software development company based in Gräfelfing, Germany.
    Starting Price: Free
  • 18
    CaaB

    CaaB

    CaaB

    CaaB is a simple, powerful cloud platform built specifically for managed service providers, combining high-performance infrastructure with a unified, fully white-label Cloud Web Manager. MSPs can deploy and manage virtual machines, virtual desktops, managed Kubernetes, cloud storage, CDN, cloud backup, dedicated firewalls, load balancers, web application firewall, and disaster recovery from one environment. The Cloud Web Manager provides an easy-to-navigate GUI, full automation and API access, multi-tenant user management, two-factor authentication, and usage reporting, helping partners manage customer cloud services under their own brand. Virtual machines are designed for high performance and easy scaling, with customizable hardware, SSD storage, Linux or Windows operating systems, and rapid deployment. Managed Kubernetes removes the need to install, manage, and operate clusters manually, with automated management, built-in security, portability, etc.
    Starting Price: $101 per month
  • 19
    Comodo Endpoint Security Manager
    Comodo Advanced Endpoint Protection provides a state-of-the-art anti-malware suite that proactively protects your servers, workstations, laptops and netbooks while offering advanced, real-time management and control over critical system resources. Whether deployed as a complete security suite or by using the sandbox as a standalone to fortify existing AV solutions, Comodo ESM offers unrivaled endpoint protection for Microsoft Windows servers, desktops, laptops and tablets. The full Comodo Endpoint Security suite brings 5 layers of defense (Antivirus, Firewall, Host Intrusion Prevention, Auto-Sandbox & File Reputation) to the point of impact - the desktop environment. Its ground-breaking auto-sandbox technology eliminates malware outbreaks and operating system contamination by automatically running untrusted processes in an isolated environment. This makes Comodo's endpoint protection the only managed anti-malware solution that can offer a $5,000 limited warranty against infection.
    Starting Price: $4.00/one-time/user
  • 20
    Sophos UTM
    Sophos UTM drives threat prevention to unmatched levels. The artificial intelligence built into Sophos Sandstorm is a deep learning neural network, an advanced form of machine learning, that detects both known and unknown malware without relying on signatures. Sophos UTM 9.4 is one of the first Sophos products to offer our advanced next-gen cloud sandboxing technology. Sandstorm provides a whole new level of ransomware and targeted attack protection, visibility, and analysis. It can quickly and accurately identify evasive threats before they enter your network. And, it’s tremendous value: it’s enterprise-grade protection without the enterprise-grade price-tag or complexity. Harden your web servers and Microsoft Enterprise Applications against hacking attempts while providing secure access to external users with reverse proxy authentication. Full SMTP and POP message protection from spam, phishing and data loss with our unique all-in-one protection.
  • 21
    Azure Firewall
    Azure Firewall is a managed, cloud-based network security service that protects your Azure Virtual Network resources. It's a fully stateful firewall as a service with built-in high availability and unrestricted cloud scalability. Azure Firewall is a managed, cloud-based network security service that protects your Azure Virtual Network resources. The stateful firewall service has built-in high availability and unrestricted cloud scalability to help you create, enforce, and log application and network connectivity policies across subscriptions and virtual networks. Simplify deployment and management of your network security with a scalable and highly available cloud native firewall. Centrally manage security across all virtual networks with a common set of network and application rules.
  • 22
    Sangfor Athena NGFW

    Sangfor Athena NGFW

    Sangfor Technologies

    Sangfor Athena NGFW is a next-generation firewall that provides comprehensive protection for network perimeters using AI-powered threat detection. It blocks over 99% of external threats in real time through cloud-delivered AI and integrates network and web application security into a single appliance. The firewall includes a built-in SOC Lite module for rapid threat assessment and incident response. Sangfor’s solution connects with a holistic security ecosystem, including endpoint protection, secure web gateways, and extended detection and response tools. Recognized for its proven security effectiveness, Athena NGFW holds top ratings in independent cybersecurity tests. It is trusted by enterprises across industries to safeguard valuable data and maintain stable network performance.
  • 23
    Alibaba Cloud Firewall
    Cloud Firewall is one of the first SaaS firewalls deployed on the public cloud. It is your first choice for network security that safeguards your businesses in the cloud. Alibaba Cloud Firewall centrally manages the policies that control the traffic from the Internet to your businesses. It also controls the traffic between VPC networks, the traffic on Express Connect instances, and the traffic generated by VPN-based remote access. Cloud Firewall is embedded with an Intrusion Prevention System (IPS) and can detect outbound connections from your assets. Alibaba Cloud Firewall can also visualize network traffic and access between businesses as well as can store network traffic logs generated within the last six months. You can quickly activate Cloud Firewall without complex network configuration or image file installation. The firewalls are deployed in clusters to ensure high reliability. Smooth capacity expansion is supported.
  • 24
    Falcon Firewall Management
    Falcon Firewall Management makes it easy to create, manage and enforce policies with a simple, centralized approach. Defend against network threats, and gain instant visibility to enhance protection and inform action.Delivered via the same lightweight Falcon agent, management console and cloud-native architecture, it deploys and is operational in minutes. Simplifies operations by using the same lightweight Falcon agent, management console and cloud-native architecture. Deploys and is operational in minutes without requiring reboots, fine-tuning or complex configuration. Streamlines workflows and increases visibility across endpoint security controls due to the single management console for both endpoint protection and host firewall management. Automatically identify and view specific activities, potential threats and network anomalies.
  • 25
    AP Lens

    AP Lens

    AP Lens

    AP Lens is a Sandbox Browser that isolates networks using DNS Whitelisting. We stop the attack before it reaches the network. What does AP Lens provide? - Web Filtering: Flexible and user-friendly content blocking. - Anti-Phishing: Stop look-alike domains with 100% accuracy. - Ransomware Protection: Isolate the network without affecting business applications. - Secure Remote Work: Enforce internet usage policies without VPN slowness. - No More 0-Day Attacks: Escape the limits of blacklisting with AP Lens Augmented Whitelist. - Compliant: AP Lens meets regulatory requirements requested by cybersecurity insurance policies. - One-Click Installation: No need for a lengthy setup process or updating from the user's side. - No Maintenance: Stop malware and phishing without continuous monitoring. Our team builds on over 20 years of experience in cyber security, cloud security, and information protection in industries such as private banking and the public sector.
    Starting Price: $5
  • 26
    Quantum Firewall Software R82
    New AI innovations prevent millions of new zero-day attacks, accelerate security for DevOps, and increase data center operational simplicity and scale. Quantum Firewall Software R82 provides uncompromising security and operational simplicity for Quantum on-premises and CloudGuard Network firewalls. AI-powered, adaptive threat prevention for novel and encrypted threats. Dynamic tools to accommodate rapidly changing environments. Automatically keep up with business growth & unpredictable traffic spikes. NIST-certified encryption to protect against quantum computing hacking​. Find hidden relationships and traffic patterns to prevent novel malicious campaigns and brand impersonation. Increases the effectiveness of website categorization to make the most of your security policies. R82 delivers powerful new protection from the most evasive phishing, malware, and DNS attacks, even in encrypted traffic.
  • 27
    Check Point Spark Firewall

    Check Point Spark Firewall

    Check Point Software

    Check Point Spark Firewall is an AI-powered next-generation firewall solution designed specifically for small and medium-sized businesses and managed service providers seeking enterprise-grade cybersecurity protection. The platform delivers advanced threat prevention, malware protection, phishing defense, IoT security, SD-WAN functionality, and secure connectivity through an all-in-one network security appliance. With AI-driven threat intelligence and a malware block rate of up to 99.9%, Spark Firewall helps organizations defend against evolving cyber threats while maintaining high network performance. The solution supports simplified deployment through zero-touch provisioning, cloud-based management, and centralized policy administration, making it easier to manage distributed environments. Integrated features such as Wi-Fi 7, optional 5G connectivity, dual ISP support, and automated failover provide reliable and resilient business connectivity.
  • 28
    FirewallX

    FirewallX

    FirewallX

    FirewallX is an AI-powered unified security platform that replaces traditional firewalls, VPNs, and monitoring dashboards with a consolidated system for network security, access control, real-time visibility, and compliance. It offers modules for security and management (with DNS filtering, AI detection, and centralized policy enforcement), secure access (identity-based remote access without VPN overhead, role-based provisioning, always-on connectivity with cloud/hardware failover), and visibility (live user, device, and traffic monitoring, root-cause identification, bandwidth insights, and actionable performance recommendations). FirewallX also supports audit readiness via user-level logging, identity tracking, templated reports, and secure backups. The platform is deployed rapidly, scales easily, and maintains continuity via a hybrid architecture (e.g., local hardware plus cloud).
    Starting Price: $1.69 per month
  • 29
    SonicWall Next Generation Firewall
    Advanced threat protection, from small businesses to global enterprises and cloud environments. Discover network security made boundless. Whether you’re a small business or a large enterprise, whether in your home or in the cloud, SonicWall next-generation firewalls (NGFW) provide the security, control and visibility you need to maintain an effective cybersecurity posture. SonicWall’s award-winning hardware and advanced technology are built into each firewall to give you the edge on evolving threats. With solutions designed for networks of all sizes, SonicWall firewalls are designed to meet your specific security and usability needs, all at a cost that will protect your budget while securing your network. The SonicWall NSv Series virtual firewall offers you all the security advantages of a physical firewall with the operational and economic benefits of virtualization, including system scalability and agility, speed of system provisioning, simple management and cost reduction.
  • 30
    Menlo Security

    Menlo Security

    Menlo Security

    Our platform invisibly protects users wherever they go online. So threats are history and the alert storm is over. Explore the key ingredients that make the Menlo Security platform so secure, seamless, and simplified. Fueling our unique approach to security, the Elastic Isolation Core protects against known and unknown threats, and isolates them before they get to users. Zero Trust isolation provides 100% protection with no need for special software or plug-ins, so users experience no impact on performance or interruption in workflow. Cloud-native and high performance, the Elastic Edge is built to scale globally on demand. It dynamically scales to meet enterprise-level growth—from 1000 users to over 3M— with no performance hit, and is easily extendible with a rich set of APIs and integrations.
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