Best Firewall Software for Cloud
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Compare the Top Firewall Software for Cloud as of November 2025
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What is Firewall Software for Cloud?
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 for Cloud currently available using the table below. This list is updated regularly.
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ThreatLocker
ThreatLocker
The ThreatLocker suite of security tools are powerful and designed so that everyone from businesses to government agencies to academic institutions can directly control exactly what applications run on their networks. We envision a future in which all organizations can chart their own course free from the influence of cybercriminals and the damage their incursions cause, and our team of veteran cybersecurity professionals created ThreatLocker to make this vision a reality. The team at ThreatLocker has been developing cybersecurity tools for decades, including programs to enhance email and content security, and this is our most innovative and ambitious cybersecurity solution yet. We developed this unique cybersecurity system because we believe that organizations should have complete control of their networks and should not have to live in fear of the next malware attack. To learn more, visit ThreatLocker.com. -
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Heimdal® Endpoint Detection and Response is our proprietary multi-solution service providing unique prevention, threat-hunting, and remediation capabilities. It combines some of the most advanced threat-hunting technologies: - Next-Gen Antivirus - Privileged Access Management - Application Control - Ransomware Encryption Protection - Patch & Asset Management - Email Security - Remote Desktop - Threat Prevention ( DNS based ) - Threat Hunting & Action Center With 9 modules working together seamlessly under one convenient roof, all within one agent and one platform, Heimdal Endpoint Detection and Response grants you access to all the essential cybersecurity layers your business needs to protect itself against both known and unknown online and insider threats. Our state-of-the-art product empowers you to quickly and effortlessly respond to sophisticated malware with stunning accuracy, protecting your digital assets and your reputation in the process as well.Starting Price: $0/month
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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. -
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FortiClient
Fortinet
Multilayered endpoint security with behavior based analysis for prevention against known and unknown threats. Complete real-time visibility of all your global software inventory. Here, there, anywhere. Cloud-delivered FortiClient endpoint protection service designed for small and medium-sized business. Integrated endpoint protection platform that provides automated next-generation threat protection, visibility and control of your software and hardware inventory across the entire security fabric. Identify & remediate vulnerable or compromised hosts across your attack surface. As a key piece of the Fortinet Security Fabric, FortiClient integrates endpoints into the fabric for early detection and prevention of advanced threats. Security events including zero-day malware, botnet detections, and vulnerabilities are reported in real-time. -
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WatchGuard Network Security
WatchGuard Technologies
Our products provide your security systems with complete, uncompromising visibility into your network. You will find that this helps to keep pace with increasing network speed and complexity, while gaining the insight needed to better detect and contain breaches, and achieve a rapid recovery. By implementing Network Critical solutions you can improve your existing security system's network performance, therefore increasing your ROI. Firstly, SPAN ports. These have been a long-term, insufficient, solution to network security. It is remarkably easy for hackers to infiltrate routers, switches and entire networks without detection. SPAN does not provide access to real-time information either, which is another key issue that may greatly affect your network's security. This is because SPAN ports groom your data, unlike Network TAPs, that act as a window, where you can look through at any time, in real-time. -
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Unprotected web applications and APIs are the easiest point of entry for hackers and vulnerable to a number of attack types. FortiWeb's AI-enhanced and multi-layered approach protects your web apps from the OWASP Top 10 and more. FortiWeb ML customizes the protection of each application, providing robust protection without requiring the time-consuming manual tuning required by other solutions. With ML, FortiWeb identifies anomalous behavior and, more importantly, distinguishes between malicious and benign anomalies. The solution also features robust bot mitigation capabilities, allowing benign bots to connect (e.g. search engines) while blocking malicious bot activity. FortiWeb also features API discovery and security, as well as threat analytics to identify meaningful security incidents. FortiWeb is available as an appliance, VM, and fully featured WAF-as-a-Service - which is available to trial and purchase in most cloud marketplaces.Starting Price: $30/mo for 1 app on SaaS
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Barracuda CloudGen Firewall
Barracuda
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. -
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Fortinet
Fortinet
Fortinet is a global leader in cybersecurity solutions, known for its comprehensive and integrated approach to safeguarding digital networks, devices, and applications. Founded in 2000, Fortinet provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. At the core of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly integrates security tools to deliver visibility, automation, and real-time threat intelligence across the entire network. Trusted by businesses, governments, and service providers worldwide, Fortinet emphasizes innovation, scalability, and performance, ensuring robust defense against evolving cyber threats while supporting digital transformation and business continuity. -
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ditno
ditno
ditno. has taken the complexity out of IT security. We provide a single web portal to control access to all of an organization's servers whether they are in the cloud or internally hosted. We solve the problem of consistent and high-performance security across mixed environments. Using a PAYG model we remove the need for upfront investment and allow our customers to pay for exactly what they need at the time. We have a variety of customers across a number of verticals including law, energy, financial services, healthcare, technology and more across Australia and the UK.Starting Price: $25/endpoint/year -
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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 -
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enforza
enforza
The cost-effective alternative to AWS Network Firewall, Azure Firewall, and cloud-native NAT Gateways. Same features. Less cost. No data processing charges. enforza is a cloud-managed firewall platform that helps you build a unified multi-cloud perimeter with powerful firewall, egress filtering and NAT Gateway capabilities. With easy cloud management at its core, enforza is truly multi-cloud, enabling you to apply consistent security policies across multiple clouds and regions. - Install the agent on *your* linux instance (cloud or on-prem) with one command. - Claim your device on the portal. - Manage your policies.Starting Price: $39/month/gateway -
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Golf
Golf
GolfMCP is an open source framework designed to streamline the creation and deployment of production-ready Model Context Protocol (MCP) servers, enabling organizations to build secure, scalable AI-agent infrastructure without worrying about boilerplate. It allows developers to define tools, prompts, and resources as simple Python files, after which Golf handles routing, authentication, telemetry, and observability, so you focus on logic, not plumbing. The platform supports enterprise authentication (JWT, OAuth Server, API key), automatic telemetry, and a file-based structure that eliminates decorators or manual schema wiring. With built-in utilities for LLM interactions, error logging, OpenTelemetry integration, and deployment tools (such as a CLI with golf init, golf build dev, golf run), Golf provides a full stack for agent-native services. Included also is the Golf Firewall, an enterprise-grade security layer for MCP servers that enforces token validation.Starting Price: Free -
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Azure Firewall
Microsoft
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. -
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WAPPLES SA
Penta Security Systems, Inc.
WAPPLES SA (software appliance) is a virtual web application firewall (WAF) that can be seamlessly integrated with cloud systems and other virtual environments. It is a great solution for enterprise customers such as data centers and hosting providers as well as SMBs such as managed security service providers and private cloud business infrastructures. WAPPLES SA has support for popular hypervisors including KVM, Citrix Hypervisor, and vSphere Hypervisor. WAPPLES SA (Software Appliance) generally provides all the capabilities of the hardware WAPPLES appliance with the added ability to scale as your business grows. Based on the same award-winning WAPPLES technology, WAPPLES SA can detect and block known, modified, and zero-day attacks with its Contents Classification and Evaluation Processing (COCEP™) engine. -
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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. -
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Falcon Firewall Management
CrowdStrike
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. -
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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 -
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Quantum Firewall Software R82
Check Point
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. -
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WebOrion Protector Plus
cloudsineAI
WebOrion Protector Plus is a GPU-powered GenAI firewall engineered to provide mission-critical protection for generative AI applications. It offers real-time defenses against evolving threats such as prompt injection attacks, sensitive data leakage, and content hallucinations. Key features include prompt injection attack protection, safeguarding intellectual property and personally identifiable information (PII) from exposure, content moderation and validation to ensure accurate and on-topic LLM responses, and user input rate limiting to mitigate risks of security vulnerability exploitation and unbounded consumption. At the core of its capabilities is ShieldPrompt, a multi-layered defense system that utilizes context evaluation through LLM analysis of user prompts, canary checks by embedding fake prompts to detect potential data leaks, pand revention of jailbreaks using Byte Pair Encoding (BPE) tokenization with adaptive dropout. -
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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 -
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SonicWall Next Generation Firewall
SonicWall
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. -
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AWS Firewall Manager
Amazon
AWS Firewall Manager is a security management service which allows you to centrally configure and manage firewall rules across your accounts and applications in AWS Organization. As new applications are created, Firewall Manager makes it easy to bring new applications and resources into compliance by enforcing a common set of security rules. Now you have a single service to build firewall rules, create security policies, and enforce them in a consistent, hierarchical manner across your entire infrastructure. Using AWS Firewall Manager, you can easily roll out AWS WAF rules for your Application Load Balancers, API Gateways, and Amazon CloudFront distributions. Similarly, you can create AWS Shield Advanced protections for your Application Load Balancers, ELB Classic Load Balancers, Elastic IP Addresses and CloudFront distributions. Finally, with AWS Firewall Manager, you can enable security groups for your Amazon EC2 and ENI resource types in Amazon VPCs. -
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CIRA DNS Firewall
CIRA
CIRA's DNS Firewall provides protection against malware and phishing attacks by blocking access to malicious websites. CIRA combines advanced data science with decades of experience managing the DNS to provide a critical element of your defense-in-depth strategy. Cybersecurity is a game of layers. No one cybersecurity solution is 100% effective. Whether you have traditional endpoint or firewall protection, a defense-in-depth strategy that includes a DNS firewall is essential. DNS Firewall adds a cost-effective, low-maintenance layer to your cybersecurity footprint. By monitoring and analyzing your DNS traffic, DNS Firewall can block users from accessing malicious websites, prevent phishing attacks, and even stop malware already on your network from accessing the internet. Faster data can optimally route on networks in Canada to improve performance. Private with all data kept secure and sovereign. -
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discrimiNAT Firewall
Chaser Systems
The discrimiNAT is a solution to being unable to specify hostnames/FQDNs in Google Cloud Firewall Rules and AWS Security Groups for scalable egress filtering. It works by monitoring and blocking traffic without decryption, with our Deep Packet Inspection engine, inline as a high-availability NAT Instance on the egress of your VPC network. We have made the configuration of this firewall as simple as possible. Just specify the allowed destination FQDNs in the applications' outbound rules itself and the firewall will take care of the rest. See the brief video demos for how straightforward this is. From complete multi-zone network configurations that work with a single click and have sane defaults, to DIY instance deployments so you can configure the networking around it, we have all templates ready to go in our CloudFormation library for AWS and as a Deployment Manager template for Google Cloud. -
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CyberCision
FirstWave
CyberCision by FirstWave is a comprehensive cybersecurity-as-a-service platform designed for service providers and telcos. It enables businesses to offer robust security services, including email, web, and firewall protection, to their customers without the need for dedicated infrastructure. The platform provides multi-tenant capabilities, centralized management, and global scalability, making it ideal for service providers looking to expand their security offerings. With automated features, real-time threat intelligence, and frictionless activation, CyberCision delivers affordable, enterprise-grade protection to end-users while simplifying security operations. -
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NSFOCUS NGFW
NSFOCUS
As the digital attack surface grows, both the volume and sophistication of cyberattacks increase. The resulting data theft and network disruptions can both threaten your reputation and business, a comprehensive security solution is an absolute necessity in every IT infrastructure. NSFOCUS delivers a fully integrated Next Generation Firewall (NGFW) to meet the changing needs of your cloud-enabled enterprise network. It provides NGFW capabilities and collaborates with other security devices to proactively defend against cyber threats, and improve user and application experience while lowering the total cost of ownership. A dedicated AI-based content moderation module effectively recognizes content in texts, images, and videos. Use honeypots and AI algorithms to trap attacks. AI algorithms recognize attacks and apps in encrypted traffic. Scalable AI-based AV engine increases virus detection rate. -
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AWS Network Firewall
Amazon
With AWS Network Firewall, you can create firewall rules that provide fine-grained control over network traffic and easily deploy firewall security across your VPCs. Automatically scale your network firewall to protect your managed infrastructure. Protect your unique workloads with a flexible engine that can define thousands of custom rules. Centrally manage security policies across existing accounts and VPCs and automatically enforce mandatory policies on new accounts. With AWS Network Firewall, you can define firewall rules that provide fine-grained control over network traffic. Network Firewall works together with AWS Firewall Manager so you can build policies based on Network Firewall rules and then centrally apply those policies across your virtual private clouds (VPCs) and accounts. Inspect traffic flows using features such as inbound encrypted traffic inspection, stateful inspection, protocol detection, and more. -
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Centralize and simplify your firewall admin and intrusion prevention. With visibility across ever-changing and global networks, you can manage modern applications and malware outbreaks in real-time. Easily switch between managing hundreds of firewalls, controlling applications, and blocking intrusion attempts and the spread of malware. Write a policy and scale its enforcement across multiple security controls within your network. Enjoy unified management and control over firewalls, applications, intrusion prevention, and file and malware protection. Comprehensibly manage your firewalls using our on-premises hardware or from any virtual environment of your choice. Flexibly deploy the same manager on your public cloud infrastructure, or boost productivity one step further with our cloud-delivered solution. Detect the most sophisticated threats sooner across all vectors and prioritize by impact for faster responses.
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Check Point Quantum Spark
Check Point
Quantum Spark tackles challenges faced by SMBs with a comprehensive, user-friendly cybersecurity solution, ideal for both SMBs and MSPs, ensuring top performance and robust protection. Quantum Spark next-generation firewalls deliver AI-powered threat prevention performance up to 5 Gbps with a 99.8% block rate of cyberattacks, scalable network security for a wide range of use cases, zero-touch provisioning for easy setup, and integrated cloud security services like IoT and SD-WAN, with consolidated cloud management for MSPs. Spark offers a diverse selection of next-generation firewalls, providing threat prevention performance suitable for any small or medium-sized business, up to 5 Gbps. Network efficiency at any SMB scale with optimal port density options to accommodate various use cases. Autonomous IoT security, ensuring your connected devices are protected without added complexity. -
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GajShield
GajShield
GajShield is a comprehensive cybersecurity solution designed to provide in-depth protection against various attacks by tightly integrating key security functions and securely connecting remote offices and partners. It combines ICSA Certified Firewall appliances, Data Leak Prevention (DLP), Cloud Security, Intrusion Prevention System (IPS), Virtual Private Network (VPN), URL Filtering, Virus Screening, and Bandwidth Management into a single appliance to deliver layered network security. GajShield's Contextual Intelligence Engine enables advanced visibility of data transactions by breaking down data packets into multiple small data contexts, allowing for granular policy enforcement and efficient threat detection. The DLP solution acts as an enforcer of data security policies, detecting and preventing unauthorized transmission of confidential information through deep content inspection and contextual security analysis.