Compare the Top Firewall Software for Cloud as of October 2026

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.

  • 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
    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.
  • 4
    enforza

    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
  • 5
    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
  • 6
    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.
  • 7
    VMware vDefend Distributed Firewall
    Stop the lateral spread of threats across multi-cloud environments with a software-based Layer 7 firewall distributed at each workload. Threat actors moving throughout your infrastructure and increasingly sophisticated ransomware attacks make east-west the new battleground. Get the advantage with a software-defined Layer 7 firewall that delivers granular enforcement at scale to secure east-west traffic across today’s multi-cloud world. Easily segment the network, stop the lateral spread of threats, and securely move at the speed of development on your path to Zero Trust. Gain visibility across all network flows to easily achieve granular micro-segmentation and generate context-aware policies for each workload. Reduce the attack surface and defend against known and unknown threats moving within and across clouds with a modern, distributed firewall solution that is purpose-built to secure multi-cloud traffic across virtualized workloads.
  • 8
    NSFOCUS NGFW
    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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