Best Free Cloud Security Software
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Compare the Top Free Cloud Security Software as of October 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 Intelligent Data Security protects sensitive enterprise data wherever your team uses it. With advanced data discovery, context-aware classification, proactive threat prevention and adaptive security, Safetica provides comprehensive visibility and control over your data. ✔️ Discover what to protect: Precisely locate personally identifiable information, intellectual property, financials, and more wherever it is used across the enterprise, cloud, and endpoint devices. ✔️ Prevent threats: Understand and mitigate risky behavior with automatic detection of suspicious file access, email communication and web browsing. Get the alerts you need to proactively uncover risk and prevent data breaches. ✔️ Keep your data safe: Intercept unauthorized exposure of sensitive personal data, trade secrets and intellectual property. ✔️ Work smarter: Help teams work, with in-moment data handling cues as they access and share sensitive information. -
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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. -
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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
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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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 -
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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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Kloudle
Kloudle
Kloudle is a blazing fast cloud security scanner. Built for solo developers, small teams it makes the job of cloud security effortless. By following the approach of SCAN → FIX → AUTOMATE. Everything you need to keep your cloud secure, so that you can get back to focussing on building and shipping what you love. Scan your cloud accounts (AWS, Google Cloud, Digitalocean, Azure), cloud servers (Linux), Kubernetes clusters (Managed - EKS, GKE, AKS, DOKS or Self-hosted). All of this and more without breaking the bank. Simple pricing with a pay as you go model. Buy credits and use them for security scans, downloading custom reports. Every user gets 5 free SuperFast scans. There is no time limit on these. You can scan the configuration of cloud virtual machines (EC2 in AWS) and object stores (S3 buckets in AWS). After utilizing your 5 free scans, you will need to purchase credits to continue running security scans. There are no subscriptions or long-term commitments required.Starting Price: $30 per credit -
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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 -
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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 -
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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 -
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Sumo Logic
Sumo Logic
Sumo Logic offers a cloud solution for log management and metrics monitoring for IT and security teams of organizations of all sizes. Faster troubleshooting with integrated logs, metrics and traces. One platform. Many use cases. Increase your troubleshooting effectiveness. Sumo Logic helps you reduce downtime and move from reactive to proactive monitoring with cloud-based modern analytics powered by machine learning. Quickly detect Indicators of Compromise (IoCs), accelerate investigation, and ensure compliance using Sumo Logic Security Analytics. Enable data-driven business decisions and predict and analyze customer behavior using Sumo Logic’s real-time analytics platform. The Sumo Logic platform helps you make data-driven decisions and reduce the time to investigate security and operational issues so you can free up resources for more important activities.Starting Price: $270.00 per month -
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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 -
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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 -
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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 -
15
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 -
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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 -
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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. -
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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. -
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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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Cloudnosys
Cloudnosys
Cloudnosys platform delivers security, compliance, cost and DevOps automation. Continually scan your entire AWS services for security and compliance violations for Network Security, IAM Policies, VPC, S3, Cloudtrail etc. Provides DevOps automation such as on/off/snooze, snapshot management and identifies costs savings by improving asset utilization for Azure and AWS. Meet PCI, HIPAA, FISMA, AWS CIS Benchmark compliance quickly. Provides easy guided remediation and audit functions to meet compliance.Starting Price: $10/instance/month -
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CloudEye
Cloudnosys
Unified view of all risks built from machine data and contextual analysis that delivers Security and Compliance Solutions for modern public clouds. Cloudnosys best practice rules track and monitor your AWS and Azure services for security and compliance violations. Dashboard and reports keep you fully informed of any risks which are identified by region. Ensure that you have policy guardrails in place to meet security and compliance. Rapidly detect and remediate risks across your resource configurations, network architecture, IAM policies and more. For instance, you can actively track and monitor publicly exposed S3, and EBS volumes. Providing complete governance, and risk management functions for the cloud assets. Cloudnosys platform delivers security, compliance, and DevOps automation. Continually scan your entire AWS, Azure & GCP services for security and compliance violations for Network Security, IAM Policies, VPC, S3, Cloudtrail etc.Starting Price: $75.00/month -
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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 -
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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) -
24
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 -
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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 -
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Acra
Cossack Labs
Data leakage prevention in your app made simple. Acra encryption suite provides data protection in distributed applications, web and mobile apps with PostgreSQL, MySQL, KV backends through selective encryption. Encryption of sensitive and personal data is mandated by regulations (GDPR, HIPAA, CCPA, PCI DSS) and industry best practices. However, building cryptography into distributed application is often a tedious task, which has a limited security impact and plenty of architectural trade-offs. Acra is here to change it. Acra is one tool that covers 9 data security controls. Acra is built to mitigate data leakage risks while providing defense in depth across the whole data lifespan within the application. Acra is easy to integrate, doesn't require significant modifications in the existing code, provides reliable data security, reduces MTTD and MTTR. Acra provides an integration library that can encrypt any record with AcraServer’s key.Starting Price: $10000 per year -
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SOC Prime Platform
SOC Prime
SOC Prime operates the world’s largest and most advanced platform for collective cyber defense that cultivates collaboration from a global cybersecurity community and curates the most up-to-date Sigma rules compatible with over 28 SIEM, EDR, and XDR platforms. SOC Prime’s innovation, backed by the vendor-agnostic and zero-trust cybersecurity approach, and cutting-edge technology leveraging Sigma language and MITRE ATT&CK® as core pillars are recognized by the independent research companies, credited by the leading SIEM, XDR & MDR vendors, and trusted by 8,000+ organizations from 155 countries, including 42% of Fortune 100, 21% of Forbes Global 2000, 90+ public sector institutions, and 300+ MSSP and MDR providers. Driven by its advanced cybersecurity solutions, Threat Detection Marketplace, Uncoder AI, and Attack Detective, SOC Prime enables organizations to risk-optimize their cybersecurity posture while improving the ROI of their SOC investments. -
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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 -
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Templarbit
Templarbit
Monitor and defend Apps with data-driven security. Templarbit is redefining runtime security by building it from the ground up to be cloud native and powered by data intelligence. This modern, data-driven approach allows you to secure APIs and Web Apps faster and more effectively. Templarbit Sonar provides you with blazing fast security monitoring that delivers insights into the availability, performance, and security configuration of websites, APIs, and Web Applications. It's a beautiful and fast way to establish continuous security monitoring on your apps, enabling you to measure everything out of the box without having to install any packages, agents, or libraries. Sonar covers a wide range of checks that every software company should have in place including uptime, response time, and a deep scan of your security configuration.Starting Price: $99 per month -
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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