Best Free Cloud Security Software
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Compare the Top Free Cloud Security Software as of December 2025
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What is Free Cloud Security Software?
Cloud security software consists of tools, software, and services designed to protect data, applications, and infrastructure associated with cloud environments. It addresses unique security challenges posed by the cloud, such as data breaches, unauthorized access, and compliance with regulatory standards. These solutions often include features like encryption, identity and access management, intrusion detection systems, and security information and event management (SIEM). By implementing cloud security software, organizations can safeguard their cloud-based assets from cyber threats and ensure the integrity and confidentiality of sensitive information. As businesses increasingly adopt cloud services, robust cloud security measures have become essential for maintaining operational continuity and customer trust. Compare and read user reviews of the best Free Cloud Security software currently available using the table below. This list is updated regularly.
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1
Guardz
Guardz
Guardz is the unified cybersecurity platform purpose-built for MSPs. We consolidate the essential security controls, including identities, endpoints, email, awareness, and more, into one AI-native framework designed for operational efficiency. Our identity-centric approach connects the dots across vectors, reducing the gaps that siloed tools leave behind so MSPs can see, understand, and act on user risk in real time. Backed by an elite research and threat hunting team, Guardz strengthens detection across environments, turning signals into actionable insights. With 24/7 AI + human-led MDR, Guardz utilizes agentic AI to triage at machine speed while expert analysts validate, mitigate, and guide response, giving MSPs scalable protection without adding headcount. Our mission is simple: give MSPs the scale, confidence, and clarity they need to stay ahead of attackers and deliver protection to every SMB they serve. -
2
Cloudflare
Cloudflare
Cloudflare is the foundation for your infrastructure, applications, and teams. Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. It protects your internal resources such as behind-the-firewall applications, teams, and devices. And it is your platform for developing globally scalable applications. Your website, APIs, and applications are your key channels for doing business with your customers and suppliers. As more and more shift online, ensuring these resources are secure, performant and reliable is a business imperative. Cloudflare for Infrastructure is a complete solution to enable this for anything connected to the Internet. Behind-the-firewall applications and devices are foundational to the work of your internal teams. The recent surge in remote work is testing the limits of many organizations’ VPN and other hardware solutions.Starting Price: $20 per website -
3
SafeDNS
SafeDNS
At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education. We have a global footprint, making the internet safer for millions of users in over 60 countries. With years of experience in the field of cybersecurity and DNS filtering, we offer cutting-edge solutions to safeguard your digital life. At present, SafeDNS serves more than 4000 businesses and institutions, and tens of thousands of home users worldwide. We do: -Web content filtering. We help you block all dangerous or unwanted websites such as pornography, violence, child sexual abuse and similar categories. -Malware protection. We also have your back against malicious sites trying to breach user devices either with viruses or information theft intent. -Cloud service. Additionally, we provide you with a cloud filtering service that requires no additional hardware purchase or software installation.Starting Price: $0.9/user/month -
4
FlashStart
FlashStart Group Srl
FlashStart is a global, cloud-based cyber security platform that specializes in DNS filtering with the support of artificial intelligence. It protects against malware and unwanted contents by classifying domains into eighty-five categories, using machine learning with high predictive capability and incorporating government blacklists and warnings for high-risk sites. It offers global coverage, thanks to Anycast Network, which is among the fastest and most stable in the world. It presents advanced and exclusive features, like geographically based protection. Easy installation, centralized multi-tenant management, filter customization, and maximum cost-effectiveness make FlashStart the optimal cloud solution for businesses, PAs, schools, households, etc.Starting Price: $0.90/month -
5
CloudMounter
Eltima Software
CloudMounter is a must-have tool for laptop users with low-capacity SSD-drives. You can easily mount most popular clouds as disks without having to download online files on the hard drive. As well as secure cloud files with data encryption. Choose one of your Dropbox, Google Drive and OneDrive accounts and manage them in Finder for free.Starting Price: $44.99 -
6
Quixxi
Quixxi Security
Quixxi is a leading provider of mobile app security solutions that empowers enterprises and security professionals to secure their mobile applications. Quixxi is proud to be the only provider of a patented and proprietary mobile app security solution. Our services includes SCAN, SHIELD, and SUPERVISE. SCAN (SAST/DAST/WebAPI) is a comprehensive application vulnerability assessment tool that automates and integrates with the development process, providing full explanations and recommendations to identify and fix vulnerabilities. SHIELD (RASP), on the other hand, is an application shielding tool that provides baseline security controls to protect the intellectual property in mobile apps and shield them against malicious attacks by third parties with one click. SUPERVISE is a runtime application monitoring tool that enables remote disabling, messaging, security logs, and customer analytics for better app management.Starting Price: $29 for One-Off plan -
7
Splunk Enterprise
Cisco
Splunk Enterprise is a powerful platform that turns data into actionable insights across security, IT, and business operations. It enables organizations to search, analyze, and visualize data from virtually any source, providing a unified view across edge, cloud, and hybrid environments. With real-time monitoring, alerts, and dashboards, teams can detect issues quickly and act decisively. Splunk AI and machine learning features predict problems before they happen, improving resilience and decision-making. The platform scales to handle terabytes of data and integrates with thousands of apps, making it a flexible solution for enterprises of all sizes. Trusted by leading organizations worldwide, Splunk helps teams move from visibility to action. -
8
Rublon
Rublon
Rublon enables your workforce to securely access your organization's networks, servers and applications. Protect your data via easy-to-use multi-factor authentication and comply with data protection regulations like GDPR. Deploy Rublon organization-wide, enabling MFA for all your cloud apps, VPNs, servers, workstations, internal as well as on-premise apps.Starting Price: $1/month/user -
9
PreVeil
PreVeil
PreVeil applies end-to-end encryption in a radically different way. We protect organizations’ email & files from phishing, spoofing, BEC & more. Seamless for users. Easy for admins. PreVeil provides the enterprise with an easy-to-use encrypted email and encrypted cloud storage solution to protect important email and files. Moreover, PreVeil uses the gold standard of end-to-end encryption to secure data. PreVeil also provides the enterprise with a “Trusted Community” for communicating with fellow employees, contractors, vendors or other third parties. With a Trusted Community, employees can communicate and exchange information without worrying about being phished, spoofed, becoming victims of BEC, or having their admins compromised.Starting Price: $20 per user per month -
10
Push Security
Push Security
Map out your entire cloud identity attack surface and harden it against identity-based attacks. Push is a vulnerability scanner for your cloud identities. Push uses a lightweight browser extension to give you real-time visibility of all your employees’ cloud identities and the vulnerabilities putting your business at risk. - Get real-time visibility of all your cloud identities, apps and integrations. - Onboard unmanaged apps to SSO. Detect and harden non-SSO identities. - Find and secure vulnerable identities. Prevent your employees creating insecure identities. - Uncover shadow SaaS apps and accounts. Limit SaaS sprawl and reduce supply chain risk. - Improve employee security awareness by equipping them to self-remediate security issues. Try it for free today.Starting Price: $5 per employee per month -
11
CloudSploit
CloudSploit
Cloud security best practices as a service. CloudSploit is the leading open source security configuration monitoring tool for cloud infrastructure. Cloud security experts from around the world collaborate to create a repository of tests for cloud infrastructure such as AWS, Azure, GitHub, and Oracle Cloud.Starting Price: $7.17/month -
12
Jit
Jit
DevOps ain’t easy! We are hearing more and more about the breakdown and friction where Dev meets Ops, so let’s not even talk about all the other shift-left domains that add another layer of complexity in the middle like DevSecOps. Where this comes with the need to implement and integrate dozens of security tools in their SDLC. But what if it doesn’t have to be difficult? Jit's DevSecOps Orchestration Platform allows high-velocity Engineering teams to own product security while increasing dev velocity. With a unified and friendly developer experience, we envision a world where every cloud application is born with Minimal Viable Security (MVS) embedded and iteratively improves by adding Continuous Security into CI/CD/CS. -
13
CySight
IdeaData
CySight's Dropless Collection method provides absolute data retention, enabling the most data orientated decision making and cost-effective workflow for any organization, significantly enhancing network performance, network security and cyber intelligence to the highest level. With a Unique approach, CySight delivers comparative baselining, superior granularity, scalable collection, root cause analysis and QoS Analysis. All Designed to run independently or work together as a powerful single unit. CySight empowers communication and application visibility for networking, security, billing and compliance with high-end integrated network traffic analytics, granular forensics, cybersecurity intelligence, cloud usage, internet-of-things analytics, peering and billing to medium and large enterprise customers and service providers. Our objective at CySight is to reveal your data’s potential and eliminate all blind spots.Starting Price: $299/month -
14
Cribl Stream
Cribl
Cribl Stream allows you to implement an observability pipeline which helps you parse, restructure, and enrich data in flight - before you pay to analyze it. Get the right data, where you want, in the formats you need. Route data to the best tool for the job - or all the tools for the job - by translating and formatting data into any tooling schema you require. Let different departments choose different analytics environments without having to deploy new agents or forwarders. As much as 50% of log and metric data goes unused – null fields, duplicate data, and fields that offer zero analytical value. With Cribl Stream, you can trim wasted data streams and analyze only what you need. Cribl Stream is the best way to get multiple data formats into the tools you trust for your Security and IT efforts. Use the Cribl Stream universal receiver to collect from any machine data source - and even to schedule batch collection from REST APIs, Kinesis Firehose, Raw HTTP, and Microsoft Office 365 APIsStarting Price: Free (1TB / Day) -
15
VNS3
Cohesive Networks
The all-in-one networking device promising connectivity, security and flexibility at a fraction of the cost. Launch a VNS3 image through a public cloud marketplace. We are available in AWS, Azure and GCP. Via private image sharing. We will gladly share a private image with your account. We can also provide a VDI/VDK file which you can import into your environment of choice, be that VMWare or a locked down cloud environment. The Cohesive Networks support team will provide you a license in minutes. Upgrading your VNS3 controller's license can be done via the VNS3 console or the API. The VNS3 Overlay Network is an optional feature that provides end-to-end encryption, increased performance (in most cloud environments), and IP address mobility across regions and cloud providers. An overlay network is layered over the native networking layers, but can be independent from all underlying hardware and software. The overlay is dependent on the native networking layers.Starting Price: $150 per month -
16
Bitcanopy
Bitcanopy
Automated AWS security. Hands-off AWS infrastructure insights and remediation. Ensure AWS Config is enabled in all regions. Identify and stop S3 public read/write/full control. Automatically enforce S3 objects and volumes encryption. Stop login from invalid IP address. Stop non-compliant dev resources. Delete unused elastic load balancers. Automatically apply IP restriction policy on AWS resources. Delete new internet-facing ELBs. Only keep certain port open based on pre-defined policy. RDS - Terminate unencrypted public instances. Monitor and remediate your infrastructure agains 100+ such rules that include compliance against AWS CIS benchmarks and AWS Best Practices.Starting Price: $75 per month -
17
Vulcan Cyber
Vulcan Cyber
At Vulcan Cyber we’re changing the way businesses reduce cyber risk through vulnerability remediation orchestration. We help IT security teams go beyond remedial vulnerability management to help them drive vulnerability remediation outcomes. The Vulcan platform consolidates vulnerability and asset data, with threat intelligence and customizable risk parameters to deliver risk-based vulnerability prioritization insights. But we don't stop there. Vulcan remediation intelligence takes the vulnerabilities that matter to your business and attaches the remedies and fixes needed to mitigate the threat. Then Vulcan orchestrates and measures the rest of the remediation process with integrations and inputs into application security, DevSecOps, patch management, configuration management, and cloud security tools, teams and functions. From scan to fix, Vulcan Cyber delivers the unique ability to orchestrate the entire vulnerability remediation process to GET FIX DONE at scale.Starting Price: $999 / month -
18
OpsCompass
OpsCompass
Our SaaS solution provides a single dashboard with real-time and action-oriented insights across compliance, security, and cost management. It’s simple to deploy, intuitive to use, and as flexible as the cloud itself. Best of all, our software makes it easy to fold cloud operations into your existing processes with your existing personnel. As soon as you sign into OpsCompass your cloud environment is scanned, evaluated, and a "Company Compliance Score" is produced. This overall score is based on what resources are in and out of compliance according to which frameworks they pertain to. Delivered through a single, always-on dashboard, OpsCompass gives your existing team the real-time insights they need to maintain a more secure, more compliant, and more affordable multi-cloud environment. OpsCompass monitors every event happening inside your cloud environment, everything your company and your team are alerting to, and the change that occurs over a period of timeStarting Price: $0 -
19
NirvaShare
Nirvato Software
At times, when external identities such as customers, partners, etc who are not part of your organization's identity store do bring up a challenge in sharing and collaborating files securely. This is where NirvaShare can take care of dealing with access, security and compliance while sharing cloud storage files with external users. Besides cloud platform deployments, NirvaShare can also be deployable to your on-premise environment pointing to your existing S3 compatible or other supported file storage systems making it easy to share files with internal and external users. While sharing file or folders, set access rights to your users such as who can download, upload, delete, etc. Easily associate groups and users from your ActiveDirectory or from any other identity providers. NirvaShare is designed to handle large files with size ranging in several tens of gigabytes for upload and download with unbelievably minimal resource consumption.Starting Price: $4 per user per month -
20
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 -
21
HTCD
HTCD
HTCD is a cloud security SaaS built AI-first to materially upgrade your security posture. Access centralized visibility across your AWS and Azure environments—with 500+ OOTB policies for cloud security, infrastructure, network, SaaS, and compliance. All while retaining 100% ownership of your data. Create no-code detections in minutes. AI converts your questions to code for rapid results: Which CVEs can be exploited in my Azure environment? Show me S3 costs over the last 2 weeks ... and more. Get a prioritized view of security misconfigurations and vulnerabilities—solve the most pressing issues to reduce operational risk. AI reduces your response time by prioritizing in minutes what otherwise takes weeks. Get started in 15 minutes, free for 6 months for startups. -
22
Tigera
Tigera
Kubernetes-native security and observability. Security and observability as code for cloud-native applications. Cloud-native security as code for hosts, VMs, containers, Kubernetes components, workloads, and services to secure north-south and east-west traffic, enable enterprise security controls, and ensure continuous compliance. Kubernetes-native observability as code to collect real-time telemetry, enriched with Kubernetes context, for a live topographical view of interactions between components from hosts to services. Rapid troubleshooting with machine-learning powered anomaly and performance hotspot detection. Single framework to centrally secure, observe, and troubleshoot multi-cluster, multi-cloud, and hybrid-cloud environments running Linux or Window containers. Update and deploy policies in seconds to enforce security and compliance or resolve issues. -
23
Comodo Dragon Platform
Comodo
Our completely cloud-native framework delivers you zero day protection against undetectable threats while defending your endpoints from known threat signatures. Comodo introduced a new approach to endpoint protection, engineered to solve the issue of legacy security solutions. The Dragon platform delivers the foundation principles for complete next-generation endpoint protection. Easily improve your cybersecurity and performance with the Dragon Platform's lightweight agent delivering artificial intelligence (AI) and Auto Containment to stop all threats. Comodo delivers everything cybersecurity you ever needed to activate breach protection immediate value added from day one. 100% trusted verdict within 45 seconds on 92% of signatures via analysis, and 4 hours SLA on the remaining 8% via human experts. Automatic signature updates that simplifies deployment across your entire environment to lower operational costs. -
24
ArvanCloud
ArvanCloud
ArvanCloud CDN comprises tens of PoP sites in important locations all around the world to deliver online content to the users, from the closest geographical point at the highest speed and quality. With ArvanCloud Cloud Computing infrastructure, you are just a few clicks away from creating unlimited cloud servers on demand. You can create several cloud storage disks for each server and easily manage your cloud data center communications using Firewall and private and public networks. ArvanCloud allows you to save any kind of data on Cloud Storage in a completely encrypted format. You can have stable access to a reliable storage system from all around the world, without worrying about data loss. With ArvanCloud container-based Platform as a Service, which conforms to Kubernetes standards, you are just a few commands in CLI away from an operational product. -
25
Cyscale
Cyscale
Map, secure, and monitor your cloud assets across platforms in under 5 minutes. Optimize operations and costs with an agentless CSPM solution that uses our Security Knowledge Graph™ to ensure scalable, consistent protection and governance. Specialists across industries rely on Cyscale to apply their expertise where it makes the biggest difference. We help you see through infrastructure layers and scale your efforts to organization-wide impact. Bridge multiple environments with Cyscale and visualise your cloud inventory in full. Discover unused, forgotten cloud resources and eliminate them to get smaller invoices from cloud providers and optimize costs for the whole organization. See accurate correlations across all cloud accounts and assets as soon as you sign up and act on alerts to avoid fines for data breaches.
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