Best Free IT Security Software
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Compare the Top Free IT Security Software as of April 2025
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What is Free IT Security Software?
IT security software is designed to protect information technology (IT) systems, networks, and data from cyber threats, such as malware, hacking, and unauthorized access. These tools provide various features such as antivirus protection, firewalls, encryption, intrusion detection and prevention systems, and vulnerability management to ensure the integrity, confidentiality, and availability of sensitive information. IT security software helps organizations detect, prevent, and respond to security incidents, mitigate risks, and ensure compliance with industry regulations. It is critical for businesses and individuals to safeguard against cyberattacks, data breaches, and other security vulnerabilities. Compare and read user reviews of the best Free IT Security software currently available using the table below. This list is updated regularly.
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1
Google Cloud Platform
Google
Google Cloud Platform offers robust IT security tools to protect cloud workloads, including identity management, encryption, and threat detection. GCP’s multi-layered approach ensures that businesses can secure their infrastructure, data, and applications. With tools like Google Cloud Identity & Access Management (IAM) and Google Cloud Security Command Center, businesses can manage risks and compliance. New customers receive $300 in free credits to run, test, and deploy workloads, making it easier to evaluate the platform's IT security features at no upfront cost. GCP’s security tools include automated patch management, vulnerability scanning, and secure authentication, which help mitigate risks and reduce the threat surface. The platform is also designed to meet stringent compliance standards, ensuring that businesses can secure their cloud environments while adhering to industry regulations.Starting Price: Free ($300 in free credits) -
2
New Relic
New Relic
Strengthen IT Security with New Relic: Safeguard your enterprise with advanced threat detection and resilient protection. Elevate your IT security posture with New Relic’s robust observability platform, designed to provide software engineer practitioners with comprehensive visibility and control over your security landscape. Our solution offers real-time monitoring and advanced threat detection, empowering you to proactively identify and address vulnerabilities before they impact your business. Seamlessly integrate security insights with your broader IT operations to ensure compliance, minimize risks, and protect critical assets. Enhance your incident response capabilities, streamline security management, and align your security strategy with organizational objectives. With New Relic, fortify your enterprise against evolving threats and drive a culture of proactive security and resilience.Starting Price: Free -
3
groundcover
groundcover
Cloud-based observability solution that helps businesses track and manage workload and performance on a unified dashboard. Monitor everything you run in your cloud without compromising on cost, granularity, or scale. groundcover is a full stack cloud-native APM platform designed to make observability effortless so that you can focus on building world-class products. By leveraging our proprietary sensor, groundcover unlocks unprecedented granularity on all your applications, eliminating the need for costly code changes and development cycles to ensure monitoring continuity. 100% visibility, all the time. Cover your entire Kubernetes stack instantly, with no code changes using the superpowers of eBPF instrumentation. Take control of your data, all in-cloud. groundcover’s unique inCloud architecture keeps your data private, secured and under your control without ever leaving your cloud premises.Starting Price: $20/month/node -
4
Paessler PRTG
Paessler GmbH
Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many moreStarting Price: $2149 for PRTG 500 -
5
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. -
6
QuantaStor
OSNEXUS
QuantaStor is a unified Software-Defined Storage platform designed to scale up and out to make storage management easy while reducing overall enterprise storage costs. With support for all major file, block, and object protocols including iSCSI/FC, NFS/SMB, and S3, QuantaStor storage grids may be configured to address the needs of complex workflows which span sites and datacenters. QuantaStor’s storage grid technology is a built-in federated management system which enables QuantaStor servers to be combined together to simplify management and automation via CLI and REST APIs. The layered architecture of QuantaStor provides solution engineers with unprecedented flexibility and application design options that maximizes workload performance and fault-tolerance for a wide range of storage workloads. QuantaStor includes end-to-end security coverage enabling multi-layer data protection “on the wire” and “at rest” for enterprise and cloud storage deployments.Starting Price: $/TB based on scale -
7
Fraud.net
Fraud.net
Fraud.net delivers the world’s most advanced infrastructure for fraud management – powered by a sophisticated collective intelligence network, world-class artificial intelligence, and a modern, cloud-based platform that helps you: * Unify fraud data from any source with a single connection * Detect fraudulent activity for 99.5%+ transactions in real-time * Optimize fraud management by uncovering hidden insights in terabytes of data Recognized in Gartner’s Market Guide for Online Fraud Detection, Fraud.net is a real-time, enterprise-strength fraud prevention and analytics solution organized around its business customers’ needs. Through a single point of command, it unifies and analyzes data from disparate systems and sources, tracks digital identities and behaviors, and then deploys the latest tools and technologies to stamp out fraudulent activity while allowing good transactions to sail through. Contact us today for a free trial. -
8
ManageEngine Applications Manager
ManageEngine
ManageEngine Applications Manager is an enterprise-ready platform designed to monitor an entire application ecosystem of a business organization. Our platform helps IT and DevOps teams get visibility into all the dependent components within their application stack. With Applications Manager, it becomes easier to monitor the performance of mission-critical web applications, web servers, databases, cloud services, middleware, ERP systems, messaging components, and more. It has tons of features that fast-track the troubleshooting process and help reduce MTTR. This way, issues are fixed before application end-users are affected. Applications Manager has a fully functional dashboard that can be customized to get performance insights at a glance. By configuring alerts, it constantly keeps a lookout for performance issues within the application stack. Combining this with intelligent machine learning, Applications Manager helps turn performance data into actionable insights.Starting Price: $395.00/Year -
9
Rayven
Rayven
Rayven is an easy-to-use SaaS platform for solving business' interoperability, real-time data + app development challenges without replacing legacy technologies, adding risk, or long development cycles. iPaaS, Data, IoT, Workflow Automation, Analytics, BI, AI, App Development + PaaS all rolled into one; Rayven simplifies the complexity of system integration, real-time data analysis + custom app development - empowering you to tackle any real-world business challenge and solve it, simply. Rayven enables you to: - Integrate Anything-to-Everything - Build Workflows + Applications, Fast - Add custom AI + Automation Anywhere Easy-to-use, universally compatible + infinitely scalable; Rayven streamlines your technology stack, is affordable for every business, and turbocharges your existing technologies to deliver on the full potential of real-time decision-making (via human or AI).Starting Price: $0 -
10
Veeam Data Platform
Veeam
#1 Global Leader in Data Resilience How we keep businesses worldwide up and running: From secure backups to intelligent data insights, Veeam Data Platform is built to handle the complexities of modern data management. Your data, protected, recoverable, free, and smart — just the way it should be. Veeam offers a simple yet powerful data management platform that goes beyond backup, providing businesses with reliable data protection, orchestrated recovery, and streamlined data management. With Veeam, businesses gain peace of mind knowing their data is secure, always available, and easily recoverable, empowering organizations to achieve true data resilience. -
11
Splunk Enterprise
Splunk
Go from data to business outcomes faster than ever before with Splunk. Splunk Enterprise makes it simple to collect, analyze and act upon the untapped value of the big data generated by your technology infrastructure, security systems and business applications—giving you the insights to drive operational performance and business results. Collect and index log and machine data from any source. Combine your machine data with data in your relational databases, data warehouses and Hadoop and NoSQL data stores. Multi-site clustering and automatic load balancing scale to support hundreds of terabytes of data per day, optimize response times and provide continuous availability. The Splunk platform makes it easy to customize Splunk Enterprise to meet the needs of any project. Developers can build custom Splunk applications or integrate Splunk data into other applications. Apps from Splunk, our partners and our community enhance and extend the power of the Splunk platform. -
12
AppDynamics
Cisco
We solve your most urgent business challenges with straightforward, flexible and scalable packages built to make your digital transformation a reality. Get started with our leading business observability platform, today. Get full-stack observability with a business lens from AppDynamics and Cisco. Prioritize what’s most important to your business and your people so you can see, share and take action in real-time. Turn performance into profit with a deeper understanding of user and application behavior. Correlate full-stack performance with key business metrics like conversions and quickly resolve issues before they impact the bottom line. Confidently face the unknowns in today’s technology landscape with easy-to-implement solutions that fuel growth, delight your customers and keep your people engaged in driving your business success. Connect app performance to customer experience and business outcomes, helping you prioritize the most critical issues before they affect your customers.Starting Price: $6 per month -
13
NAKIVO Backup & Replication
NAKIVO
NAKIVO Backup & Replication offers complete data protection for virtual, physical, cloud, and SaaS environments including VMware vSphere, Microsoft Hyper-V, Nutanix AHV, Proxmox VE, Amazon EC2, Windows and Linux physical machines and servers, files shares/NAS, Oracle database, and Microsoft 365. You can install the NAKIVO solution on Linux and Windows OS, or deploy it as a pre-configured virtual appliance (VA) or Amazon Machine Image (AMI). You can also install the solution on NAS to create a cost-efficient and fast backup appliance. NAKIVO Backup & Replication includes advanced disaster recovery functionality with Site Recovery and Real-Time Replication for VMware. In addition, you can protect backups from ransomware using built-in cybersecurity features like immutability and pre-recovery malware scans.Starting Price: $229/ socket; $25 workload/y -
14
Email Hippo
Email Hippo
Email Hippo provides fast, accurate and secure email verification software, accessed via web app or API. The CORE product allows users to import lists of up to 500,000 emails and verify them directly within a self-service web app. MORE is an API product that can be used to check the validity of an email address in real time, looking at up to 74 data points for maximum accuracy. With ASSESS, users can check email addresses for common pre-fraud indicators. Email Hippo has provided email verification since 2000 and became ISO27001 certified in 2017.Starting Price: $10.00/one-time -
15
Treblle
Treblle
Treblle: A lightweight SDK for accelerated REST-based API development, see metadata for every API request with real-time API traffic monitoring, get powerful analytics and API governance features alongside API automated docs, and automated API security audits for every single request. Simplify workflows, enhance security with support for 18+ languages and frameworks for seamless integration. Empower your teams to build, ship, and maintain APIs faster.Starting Price: $99 per month -
16
Nagios Network Analzyer
Nagios Enterprises
Network Analyzer provides an in-depth look at all network traffic sources and potential security threats allowing system admins to quickly gather high-level information regarding the health of the network as well as highly granular data for complete and thorough network analysis. Network Analyzer provides a central view of your network traffic and bandwidth data as well as potential network compromises. The powerful home dashboard provides an at-a-glance view of critical netflow or sflow data sources, server system metrics, and abnormal network behavior for quick assessment of network health. Users can easily drill down to see specific information on individual IPs, source port, destination port, or any combination thereof. Network Analyzer’s advanced alerting and reporting capabilities provide IT staff with superior awareness of their network. Highly granular, down-to-the-packet data can be accessed and archived for further tracking and analysis.Starting Price: $1995.00 -
17
Bacula Enterprise
Bacula Systems
Bacula Enterprise delivers Physical, Virtual, Container and Hybrid Cloud Backup & Recovery software for the Modern Data Center - all from a single platform. Designed for medium and large organizations, Bacula Enterprise backup and recovery software brings unique innovation, modern architecture, business value benefits and low cost of ownership. Bacula Enterprise corporate data backup software solution uses exclusive technologies that increase the interoperability, power, flexibility and functionality of Bacula Enterprise into a wide range of IT environments such as enterprise data centers, managed service providers, software vendors or cloud providers. Thousands of organizations worldwide use Bacula Enterprise in mission-critical environments, including NASA, Texas A&M University, Unicredit, Swisscom, Sky, and many more. Bacula provides additional security features over other vendors and offers advanced, hybrid Cloud connectivity to Amazon, S3, Google, Oracle and many more. -
18
Sheetgo
Sheetgo Europe
Sheetgo is the no-code automation tool for teams. Create custom workflows to collect, manage and share data — all from a spreadsheet. From inventory management and financial forecasting to sales tracking and student attendance monitoring, you can build a tailor-made, automated system for any business process. Sheetgo works with Google Sheets, Excel and CSV files. Say goodbye to manual work and create an automated workflow today at sheetgo.com.Starting Price: $20/user/month -
19
ManageEngine AD360
Zoho
AD360 is an integrated identity and access management (IAM) solution for managing user identities, governing access to resources, enforcing security, and ensuring compliance. From user provisioning, self-service password management, and Active Directory change monitoring, to single sign-on (SSO) for enterprise applications, AD360 helps you perform all your IAM tasks with a simple, easy-to-use interface. AD360 provides all these functionalities for Windows Active Directory, Exchange Servers, and Office 365. With AD360, you can just choose the modules you need and start addressing IAM challenges across on-premises, cloud, and hybrid environments from within a single console. Easily provision, modify, and deprovision accounts and mailboxes for multiple users at once across AD, Exchange servers, Office 365 services, and G Suite from a single console. Use customizable user creation templates and import data from CSV to bulk provision user accounts.Starting Price: $595.00 / year -
20
Appranix
Appranix
Appranix empowers enterprises to achieve cloud application resilience against any cloud application downtime. Average ransomware attack costs 4.54M USD and takes about 26 days to recover. 14% of cloud application downtime occurs due to misconfigurations. Appranix's unique approach delivers unprecedented resilience for distributed and dynamic cloud workloads. Our patented continuous cloud infrastructure backup, cloud-native data backup and replication along with automated recovery-as-code capabilities significantly reduce recovery time and human intervention after a cyber disaster or cloud service or region failure. Appranix is a Gartner Cool Vendor and EMA Top 3 vendor. Our SaaS platform is SOC II Type II certified and available on AWS, Azure, GCP, VMware, IBM/Redhat marketplaces. Join leading CTOs, CIOs, and cloud operations teams who trust Appranix to deliver the resilience they need to thrive in today's digital world.Starting Price: $25/unit/month -
21
Privacy1
Privacy1
Privacy1 infrastructure brings transparency, safeguards GDPR | CCPA compliance, builds trust for your business. The solution shields your data centric organizations, lower data leak risks, ensures that no personal data is processed except with the right permission. The service has built in rich features you need to meet data compliance requirements and enforce your organizational data security to the highest level Lawfulness and data transparency: ✓ Consent management; ✓ Data privacy policy management; ✓ Data processing purpose management; ✓ Work flow for handling data subject access requests; ✓ Data processing activities recording | Data mapping; Data security protection: ✓ Data Pseudonymization in services with database; ✓ Data Pseudonymization in pipelines; ✓ Data permission governing; ✓ Data access control work flow (Tech | Legal | Actual data usage); ✓ Data usage separation in micro-services; ✓ Data risk analysis; ✓ Data protection impact assessmenStarting Price: $159 per month -
22
Appwrite
Appwrite
Build your entire backend within minutes with just a few lines of code using the frameworks and languages you love. Allowing you to focus on design and innovation instead of tedious and repetitive backend tasks. Products Appwrite Cloud provides you with: - Authentication: 30+ login methods, support for teams, roles, and user labels - Databases: Never paused, fast in-memory caching, advanced permission models, relationships support - Storage: File encryption at rest and transit, built-in image transformation capabilities, advanced compression with WebP/Brotli support - Functions: Automatic deployment from GitHub - Messaging: SMS, email, and push notification support - Real-time: Unlimited subscriptions By utilizing Appwrites’ features, you save time and ensure your products are stable and secure for your end users. With Appwrite, you always own your data, so you never have to fear vendor lock-in.Starting Price: $15 per month, per member -
23
ALTR
ALTR
Easily and simply control your sensitive data in Snowflake today so you can get more value from it in minutes instead of months. With ALTR you can automatically discover and classify sensitive data with a checkbox on import. Add controls like data masking with a drop-down menu. Set alerts and limits on data access by user, amount, and IP address from a single screen. No on-prem hassles or added costs, no proxies to break with a platform change and no managed services disguised as SaaS. ALTR was born in the cloud and natively integrates with platforms like Snowflake. With ALTR’s complete data control, you can visualize data usage, detect anomalies and alert on them, block threats in real time, and tokenize critical data. Safeguarding all your data. Because ALTR is built for the cloud, there’s no large up-front commitment—you can start for free and only upgrade as needed.Starting Price: $10 per user per month -
24
Normalyze
Normalyze
Our agentless data discovery and scanning platform is easy to connect to any cloud account (AWS, Azure and GCP). There is nothing for you to deploy or manage. We support all native cloud data stores, structured or unstructured, across all three clouds. Normalyze scans both structured and unstructured data within your cloud accounts and only collects metadata to add to the Normalyze graph. No sensitive data is collected at any point during scanning. Display a graph of access and trust relationships that includes deep context with fine-grained process names, data store fingerprints, IAM roles and policies in real-time. Quickly locate all data stores containing sensitive data, find all-access paths, and score potential breach paths based on sensitivity, volume, and permissions to show all breaches waiting to happen. Categorize and identify sensitive data-based industry profiles such as PCI, HIPAA, GDPR, etc.Starting Price: $14,995 per year -
25
STRM
STRM
Creating and managing data policies is a slow pain. With PACE by STRM, you can make sure data is used securely. Apply data policies through code, wherever it lives. Farewell to long waits and costly meetings, meet your new open source data security engine. Data policies aren't just about controlling access; they are about extracting value from data with the right guardrails. PACE lets you collaborate on the why and when automating the how through code. With PACE you can programmatically define and apply data policies across platforms. Integrated into your data platform and catalog (optional), and by leveraging the native capabilities of the stack you already have. PACE enables automated policy application across key data platforms and catalogs to ease your governance processes. Ease the process of policy creation and implementation, centralize control, and decentralize execution. Fulfill auditing obligations by simply showing how controls are implemented.Starting Price: Free -
26
Evervault
Evervault
Go from zero to audit-ready in less than a day using Evervault to encrypt cardholder data. Evervault works with all typical cardholder data flows, so you can compliantly collect PCI data for processing, issuing or storage. In most cases, we’ll reduce your PCI scope to the SAQ A control set — the smallest set of PCI DSS controls. We’ll work with you to understand your architecture and provide recommendations on how to integrate Evervault to reduce your compliance scope as much as possible. You’ll integrate Evervault based on one of our architecture templates and we’ll validate your integration to ensure it’s fully compliant. We’ll give you an audit-ready PCI DSS policies and procedures bundle, as well as our PCI DSS Attestation of Compliance (AoC). We’ll also introduce you to an auditor who’s familiar with Evervault’s architecture.Starting Price: $395 per month -
27
Asigra
Asigra
Asigra helps IT teams increase their data recovery confidence through our unsurpassed reliability, security, manageability, and affordability in data protection software. Asigra's Enterprise Backup and Disaster Recovery (BDR) software platform was designed for Managed Service Providers (MSPs) to host and operate their own Backup as a Service solution. The easy to manage platform offers users the ability to white-label it to match your brand, while its breakthrough Hybrid Cloud Backup architecture combines a Cloud optimized scale-out architecture, a Cloud backup and recovery software platform, and a Cloud API and management system to help IT Teams seamlessly and efficiently manage, scale and deliver data protection services. -
28
WikiLocks
WikiLocks
WikiLocks works the way you do, within your most common applications. Simply select the data you wish to protect, assign access to individuals or groups, and distribute the newly protected document. The protection follows your document throughout its lifecycle, no matter how it is accessed, copied, pasted and attached.Starting Price: $40 -
29
SISA Radar
SISA Information Security
Helping organizations improve data protection with data discovery, file analysis and classification. Secure your entire data ecosystem with SISA Radar data discovery and data classification. Organize and classify sensitive data based on the criticality and business needs. Gain contextual information to improve sensitive data management. Gain visibility into structured, semi-structured and unstructured sensitive data. Protect data from unauthorized access. Meet compliance standards of PCI DSS, GDPR, CCPA, POPIA, PDPA, APRA and other privacy regulations Create and customize your own data classification scheme. Embrace a scalable and future-proof approach to next-gen data security. A single platform to discover, identify and contextualize sensitive data. A proprietary data discovery algorithm for faster detection and lower false positives. -
30
Instance Resolve
Famteck
Descriptive analytics (Prepares and analyzes historical data while identifying patterns from samples for reporting of trends). Predictive analytics (Finds relationships in data that may not be readily apparent with descriptive analysis). Reduces timeline to deliver critical information for security and compliance audits. Automate Database Health Check that measure performance over time with drill-down capacities to find the root cause of the problem.