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
Safetica
Safetica
Safetica’s Intelligent Data Security protects sensitive data where teams work, using powerful AI to deliver contextual awareness, reduce false positives, and stop real threats without disrupting productivity. With Safetica, security teams can maintain visibility and control over sensitive data, stay ahead of insider risks, maintain compliance, and secure sensitive cloud-based data. ✔️ Data Protection: Classify, monitor and control sensitive data across devices and clouds in real time. ✔️ Insider Risk and User Behavior: Spot risky behavior, detect intent, and stop insider threats to stay ahead of the careless handling of sensitive data, compromised user accounts and malicious user activity. ✔️ Compliance and Data Discovery: Prove compliance with audit-ready reporting for data in use, in motion, and at rest. ✔️ Cloud Security: Protect Microsoft 365, cloud, and file-sharing platforms to secure sensitive cloud-based data. -
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 -
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ADAudit Plus helps keep your Windows Server ecosystem secure and compliant by providing full visibility into all activities. ADAudit Plus provides a clear picture of all changes made to your AD resources including AD objects and their attributes, group policy, and more. AD auditing helps detect and respond to insider threat, privilege misuse, and other indicators of compromise, and in short, strengthens your organization's security posture. Gain granular visibility into everything that resides in AD, including objects such as users, computers, groups, OUs, GPOs, schema, and sites, along with their attributes. Audit user management actions including creation, deletion, password resets, and permission changes, along with details on who did what, when, and from where. Keep track of when users are added or removed from security and distribution groups to ensure that users have the bare minimum privileges.Starting Price: $595.00/year
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4
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 -
5
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 -
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. -
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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 -
9
Coro
Coro Cybersecurity
Coro puts an end to the security tool sprawl and to the constant worry that things have been overlooked. No need to check everything 10 times a day. Coro will take care of the ongoing security, and will alert you only when you need to take action. Coro analyses the threats to your entire business, takes action to eliminate the risk, and guides you on what to do next to improve your security posture. Coro is the central control point for sensitive data, practice data, and user activity, enabling you to enforce a wide range of security, compliance and governance policies. We scan every email for phishing, malware, ransomware and automatically eliminate threats. We automatically identify and block insider threats, accounts hacking, and malicious activities. We scan every file and email, or any data share for PII/PCI/PHI, and prevent confidential information leakage.Starting Price: $8.99 per user per month -
10
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 -
11
Cequence Security
Cequence Security
Start analyzing and protecting your APIs with passive, inline or API-based integration with any existing network component – API gateway, proxy, CDN or ingress controller. Predefined policies, fine-tuned using threat patterns observed in protecting billions of API transactions per day delivers unmatched, out-of-the-box protection. A rich user interface and an open, API-based architecture enables integration with threat intelligence feeds, CI/CD framework tools, other security components, and SIEM/SOAR/XDR solutions. Patented ML-based analysis eliminates JavaScript and SDK integration pen-alties such as extended development cycles, slow page loads and forced mobile-app upgrades. ML-based analysis generates a unique Behavioral Fingerprint to determine malicious intent and continually tracks attackers as they retool. -
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
Fidelis Halo
Fidelis Security
Fidelis Halo is a unified, SaaS-based cloud security platform that automates cloud computing security controls and compliance across servers, containers, and IaaS in any public, private, hybrid, and multi-cloud environment. With over 20,000 pre-configured rules and more than 150 policy templates that cover standards such as PCI, CIS, HIPAA, SOC, and DISA STIGs for IaaS services, Halo’s extensive automation capabilities streamline and accelerate workflows between InfoSec and DevOps. The comprehensive, bi-directional Halo API, developer SDK, and toolkit automate your security and compliance controls into your DevOps toolchain to identify critical vulnerabilities so they can be remediated prior to production. The free edition of Halo Cloud Secure includes full access to the Halo Cloud Secure CSPM service for up to 10 cloud service accounts across any mix of AWS, Azure, and GCP, at no cost to you, ever. Sign up now and start your journey to fully automated cloud security!Starting Price: Free -
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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 -
15
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 -
16
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. -
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Cerber Security
Cerber Tech
Cerber Security vigorously defends WordPress against hacker attacks, spam, and malware. Blazingly fast and reliable by design. A set of specialized request inspection algorithms screen incoming requests for malicious code patterns and traffic anomalies. Bot detection engine identifies and mitigates automated attacks. Mitigates brute force and code injection attacks. Restricts access with GEO country rules. Prevents both REST API and ordinary user enumerations. Restricts access to REST API and XML-RPC. Uses a global list of IP addresses known for malicious activity. Detects bots by using heuristic and content-based algorithms. Checks IP against a real-time database of IP addresses known for disseminating spam, phishing attacks and other forms of malicious activity. Thoroughly scans every file and folder on your website for malware, trojans, and viruses. Automatically removes malware and viruses. Monitors new, changed, and suspicious files.
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