Best Intrusion Detection and Prevention Systems with a Free Trial
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Compare the Top Intrusion Detection and Prevention Systems with a Free Trial as of March 2026
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What are Intrusion Detection and Prevention Systems with a Free Trial?
Intrusion detection and prevention systems (IDPS) enable IT teams and IT security professionals to identify potential threats, intrusions, and attacks on an organization's networks, applications, or systems, as well as provide tools to prevent intrusions and attacks. They can block malicious traffic, alert security teams, and log events for further analysis. By using intrusion detection and prevention systems, organizations can enhance their cybersecurity posture, detect threats early, and respond quickly to potential security incidents. Compare and read user reviews of the best Intrusion Detection and Prevention systems with a Free Trial currently available using the table below. This list is updated regularly.
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Blumira
Blumira
Empower Your Current Team to Achieve Enterprise-Level Security An all-in-one solution with SIEM, endpoint visibility, 24/7 monitoring, and automated response to reduce complexity, increase visibility and speed up time to respond. We handle the security heavy lifting, so you get time back in your day. With out-of-the-box detections, pre-filtered alerts, and response playbooks, IT teams can achieve real security value with Blumira. Quick Deployment, Immediate Results: Integrates with your tech stack and fully deploy, with no warm-up period, in hours All-You-Can-Eat Data Ingest: Predictable pricing and with unlimited data logging for full-lifecycle detection Compliance Made Easy: 1 year data retention included, pre-built reports, and 24/7 automated monitoring 99.7% CSAT Support: Solution Architects for product support, the Incident Detection and Response Team creating new detections, and 24/7 SecOps supportStarting Price: Free Trial -
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Imunify360
CloudLinux, Inc.
Imunify360 is a security solution for web-hosting servers. Imunify360 goes beyond antivirus and WAF and is a combination of an Intrusion Prevention and Detection system, a Application Specific Web Application Firewall, Real-time Antivirus protection, a Network Firewall, and Patch Management components in one security suite. Imunify360 is a fully-automated solution and it collects all statistics under an intuitive dashboard.Starting Price: $12 -
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Heimdal® Endpoint Detection and Response is our proprietary multi-solution service providing unique prevention, threat-hunting, and remediation capabilities. It combines some of the most advanced threat-hunting technologies: - Next-Gen Antivirus - Privileged Access Management - Application Control - Ransomware Encryption Protection - Patch & Asset Management - Email Security - Remote Desktop - Threat Prevention ( DNS based ) - Threat Hunting & Action Center With 9 modules working together seamlessly under one convenient roof, all within one agent and one platform, Heimdal Endpoint Detection and Response grants you access to all the essential cybersecurity layers your business needs to protect itself against both known and unknown online and insider threats. Our state-of-the-art product empowers you to quickly and effortlessly respond to sophisticated malware with stunning accuracy, protecting your digital assets and your reputation in the process as well.Starting Price: $0/month
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Cloudaware
Cloudaware
Cloudaware is a cloud management platform with such modules as CMDB, Change Management, Cost Management, Compliance Engine, Vulnerability Scanning, Intrusion Detection, Patching, Log Management, and Backup. Cloudaware is designed for enterprises that deploy workloads across multiple cloud providers and on-premises. Cloudaware integrates out-of-the-box with ServiceNow, New Relic, JIRA, Chef, Puppet, Ansible, and over 50 other products. Customers deploy Cloudaware to streamline their cloud-agnostic IT management processes, spending, compliance and security.Starting Price: $0.008/CI/month -
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ACSIA
DKSU4Securitas Ltd
ACSIA it is a ‘post-perimeter’ security tool which complements a traditional perimeter security model. It resides at the Application or Data layer. It monitors and protects the the platforms (physical/ VM/ Cloud/ Container platforms) where the data is stored which are the ultimate target of every attacker. Most companies secure their enterprise to ward off cyber adversaries by using perimeter defenses and blocking known adversary indicators of compromise (IOC). Adversary pre-compromise activities are largely executed outside the enterprise’s field of view, making them more difficult to detect. ACSIA is focused on stopping cyber threats at the pre attack phase. It is a hybrid product incorporating a SIEM (Security Incident and Event Management), Intrusion Detection Systems (IDS) Intrusion Prevention Systems (IPS), Firewall and much more. - Built for linux environments - Also monitors Windows servers - Kernel Level monitoring - Internal Threat detectionStarting Price: Depends on number of servers -
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SNOK
SecureNok
SNOK™ is a cybersecurity monitoring and detection system tailored for industrial networks and control systems. SNOK™ detects targeted industrial attacks such as espionage, sabotage, malware, and other security interruptions in control systems. SNOK™ uniquely combines network and endpoint monitoring of components such as PLC’s, HMI’s, Servers etc. We are cybersecurity experts on industrial automation and control systems. Our skilled advisors and technicians help you secure critical infrastructure and production facilities, train your staff and implement secure practices. Hacking, malware and viruses have attacked IT systems for decades. Recently, cyberattacks has grown into a serious threat to critical industrial infrastructure as well. What has happened and how can infrastructure be protected? Assets in the Oil & Gas Industry are attractive targets for cyber-attacks with potentially severe consequences.Starting Price: $0.01 -
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LevelBlue USM Anywhere
LevelBlue
Elevate your security with LevelBlue USM Anywhere, an advanced open XDR platform designed to scale with your evolving IT landscape and growing business needs. Combining sophisticated analytics, robust security orchestration, and automation, USM Anywhere offers built-in threat intelligence for quicker and more precise threat detection, as well as streamlined response coordination. Its flexibility is unmatched, with extensive integrations—referred to as BlueApps—that enhance its detection and orchestration across hundreds of third-party security and productivity tools. These integrations also enable you to trigger automated and orchestrated responses effortlessly. Begin your 14-day free trial now and discover how our platform simplifies cybersecurity. -
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Rapid7 Incident Command
Rapid7
Rapid7 Incident Command is an AI-powered next-generation SIEM designed to deliver unified visibility and faster threat response across modern attack surfaces. It brings together logs, telemetry, asset context, and threat intelligence into a single, actionable view across cloud, SaaS, endpoints, and hybrid environments. Incident Command uses AI-driven behavioral detections and alert triage to cut through noise and surface the threats that matter most. Every alert is enriched with exposure, vulnerability, asset risk, and third-party intelligence to guide decisive action. Built-in SOAR automation and guided AI response workflows help reduce dwell time and accelerate containment. The platform supports advanced investigations with natural language search, attack path reconstruction, and MITRE ATT&CK alignment. Rapid7 Incident Command enables security teams to scale their SOC with speed, clarity, and confidence. -
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Syspeace
Treetop Innovation
Syspeace protects Windows Servers from potentially harmful incidents, like hacking and brute force attacks. Making it a essential complement to firewalls and anti-virus solutions. Syspeace is free to download and try for 30 days. When you ready; our per-computer licenses are affordable and flexible – you only pay for what you need. And also: All updates are included. Imagine this. Your company has a physical facility. If someone repeatedly tries to gain access with a fake key or invalid key card, you would expect that your security guards would provide protection and not let the intruder through. For your servers, you might think antivirus and firewall protection would be enough? Unfortunately, antivirus and firewall software only help against attacks at some gates of your facility, but does not take action against intruders.Starting Price: $4.20/month/server -
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Netwrix Threat Prevention
Netwrix
Audit and block any ad changes, authentications, or requests. Monitor and prevent unwanted and unauthorized activities in real-time for Active Directory security and compliance. For years, organizations have struggled to obtain contextual, actionable intelligence from their critical Microsoft infrastructure to address security, compliance, and operational requirements. Even after filling SIEM and other log aggregation technologies with every event possible, critical details get lost in the noise or are missing altogether. As attackers continue to leverage more sophisticated methods to elude detection, the need for a better way to detect and control changes and activities that violate policy is vital to security and compliance. Without any reliance on native logging, Netwrix Threat Prevention is able to detect and optionally prevent any change, authentication, or request against Active Directory in real-time and with surgical accuracy. -
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Protect your organization from the high cost of security breaches by tracking and monitoring data access with Powertech exit point manager for IBM i software. An easy-to-use interface enables administrators to better follow security policy, resulting in a network that’s more secure, more likely to be compliant with regulatory requirements, and less vulnerable to threats. Secure network access points that traditional menu security plans don’t protect. Safeguard your IBM i systems by closing any and all back doors to the network, including FTP, ODBC, SQL, JDBC, and remote command. Monitoring and controlling exit point traffic helps restrict data access only to authorized users. Limit access to specific objects and libraries to only the users and groups who have a demonstrated business need. Assign rules by IP address, allowing system access to be limited to approved locations. Easily change and apply rules across your network, with Powertech exit point manager for IBM i.
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WatchGuard WIPS
WatchGuard Technologies
WIPS or Wireless Intrusion Prevention System is a term from the Wi-Fi industry that refers to the prevention of Wi-Fi threats, and at WatchGuard we have taken it to the next level. Our WIPS is unlike any other competing Wi-Fi security solution on the market. WatchGuard's patented technology ensures you have the real, accurate, and automated Wi-Fi protection that your business needs. Each WatchGuard access point (AP) has the flexibility to operate as both an access point and a dedicated WIPS security sensor protecting any 3rd party brand access points. Deploy WatchGuard APs managed with Wi-Fi Cloud and enjoy Trusted Wireless Environment compliant Wi-Fi, intelligent network visibility and troubleshooting features, captive portals , and location-based analytics. Just add WatchGuard APs as a security sensor to your existing infrastructure and protect any 3rd party brand access points 24/7. -
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Detect the undetectable and stop evasive attacks. Trellix Network Detection and Response (NDR) helps your team focus on real attacks, contain intrusions with speed and intelligence, and eliminate your cybersecurity weak points. Keep your cloud, IoT, collaboration tools, endpoints, and infrastructure safe. Automate your responses to adapt to the changing security landscape. Integrate with any vendor—and improve efficiency by surfacing only the alerts that matter to you. Minimize the risk of costly breaches by detecting and preventing advanced, targeted, and other evasive attacks in real time. Discover how you can take advantage of actionable insights, comprehensive protection, and extensible architecture.
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SecurityHQ
SecurityHQ
SecurityHQ is a world leading independent Managed Security Service Provider (MSSP), that detects, and responds to threats, instantly. As your security partner, we alert and act on threats for you. Gain access to an army of analysts that work with you, as an extension of your team, 24/7, 365 days a year. Receive tailored advice and full visibility to ensure peace of mind, with our Global Security Operation Centres. Utilize our award-winning security solutions, knowledge, people, and process capabilities, to accelerate business and reduce risk and overall security costs. Most Popular Services: Managed Detection and Response (MDR) Endpoint Detection and Response (EDR) Managed Extended Detection and Response (XDR) Vulnerability Management Services Managed Firewall Digital Forensics & Incident Response Managed Network Detection and Response (NDR) Penetration Testing CISO as a Service -
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OSSEC
OSSEC
OSSEC is fully open source and free, you can tailor OSSEC for your security needs through its extensive configuration options, adding custom alert rules and writing scripts to take action when alerts occur. Atomic OSSEC helps organizations meet specific compliance requirements such as NIST and PCI DSS. It detects and alerts on unauthorized file system modification and malicious behavior that could make you non-compliant. The Atomic OSSEC open source-based detection and response system adds thousands of enhanced OSSEC rules, real-time FIM, frequent updates and software integrations, built-in active response, a graphical user interface (GUI), compliance tools, and expert professional support. It’s a versatile XDR and compliance all-in-one security solution. -
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Protect your organization from credential-stuffing attacks and third-party data breaches. Hundreds of billions of records, including email addresses, user credentials, and passwords, have been breached. Hackers use these records to brute-force their way into organizations’ systems and networks to carry out targeted attacks. HEROIC EPIC is an Identity Breach Intelligence Platform™ that discovers and prevents credential stuffing and account takeover attacks
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FortiGuard IPS Service
Fortinet
The AI/ML-powered FortiGuard IPS Service provides near-real-time intelligence with thousands of intrusion prevention rules to detect and block known and suspicious threats before they ever reach your devices. Natively integrated across the Fortinet Security Fabric, the FortiGuard IPS Service delivers industry-leading IPS performance and efficiency while creating a coordinated network response across your broader Fortinet infrastructure. The FortiGuard IPS Service provides rich IPS capabilities like deep packet inspection (DPI) and virtual patching to detect and block malicious traffic entering your network. In both standalone IPS and converged next-generation firewall deployments, the innovative FortiGuard IPS Service is based on a modern, efficient architecture, making performance in even the largest data centers reliably consistent. With FortiGuard IPS Service deployed as part of your broader security infrastructure, Fortinet is able to deploy new intrusion prevention signatures. -
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Trend Cloud One
Trend Micro
Cloud security simplified with Trend Cloud One security services platform. Save time, gain visibility. Automated deployment and discovery lead to operational efficiencies and accelerated, streamlined compliance. Builder’s choice. You choose the cloud, the platforms, and the tools, and we leverage our turn-key integrations and broad APIs, freeing you to procure the way you want and deploy the way you need. One tool that has the breadth, depth, and innovation required to meet and manage your cloud security needs today and in the future. Cloud-native security delivers new functionalities weekly with no impact on access or experience. Seamlessly complements and integrates with existing AWS, Microsoft® Azure™, VMware®, and Google Cloud™ toolsets. Automate the discovery and protection of public, private, and virtual cloud environments while protecting the network layer. This provides flexibility and simplicity in securing your cloud throughout the migration and expansion process. -
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Censys
Censys
Censys Attack Surface Management (ASM) continually uncovers unknown assets ranging from Internet services to cloud storage buckets, and comprehensively checks all of your public-facing assets for security and compliance problems regardless of where they’re hosted. Cloud services enable companies to be innovative and agile, but they also scatter security risks across hundreds of cloud projects and accounts that span dozens of providers. Exacerbating the problem, non-IT employees regularly spin up unmanaged cloud accounts and services, creating blind spots for security teams. Censys ASM provides you with comprehensive security coverage of your Internet assets regardless of their location and account. Censys continually uncovers unknown assets ranging from Internet services to storage buckets, provides you with an inventory of all public-facing assets, uncovers egregious security problems, and supercharges your existing security investment. -
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Check Point Infinity
Check Point
Organizations frequently implement multiple cyber security solutions in pursuit of better protections. As a result, they are frequently left with a patchwork security architecture that results in a high TCO. By adopting a consolidated security approach with Check Point Infinity architecture, businesses realize preemptive protection against advanced fifth-generation attacks, while achieving a 50% increase in operational efficiency and 20% reduction in security costs. The first consolidated security architecture across networks, cloud, mobile and IoT, providing the highest level of threat prevention against both known and unknown cyber-threats. 64 different threat prevention engines blocking against known and unknown threats, powered by threat intelligence. Infinity-Vision is the unified management platform for Check Point Infinity, the first modern, consolidated cyber security architecture built to prevent today’s most sophisticated attacks across networks, cloud, endpoints, etc. -
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Check Point IPS
Check Point IPS
Intrusion Prevention Systems detect or prevent attempts to exploit weaknesses in vulnerable systems or applications, protecting you in the race to exploit the latest breaking threat. Check Point IPS protections in our Next Generation Firewall are updated automatically. Whether the vulnerability was released years ago, or a few minutes ago, your organization is protected. Check Point IPS delivers thousands of signature and behavioral preemptive protections. Our acceleration technologies let you safely enable IPS. A low false positive rate saves your staff valuable time. Enable IPS on any Check Point security gateway reducing total cost of ownership. On-demand hyperscale threat prevention performance providing enterprises cloud level expansion and resiliency on premises. Provide users with secure, seamless remote access to corporate networks and resources when traveling or working remotely. -
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WZSysGuard
WZIS Software Pty Ltd
It's for Linux/AIX/Solaris/MacOS/FreeBSD, has the more reliable FIM function, and more effective Intrusion Detection, plus commands execution protection against software-based key-stealing attacks. WZSysGuard is a robust UNIX/Linux intrusion detection and file integrity verification software that offers advanced protection for your system. Unlike other tools, it reduces false alarms and ensures complete coverage of security-sensitive files. WZSysGuard uses a SHA 384-bit checksum algorithm to detect file changes, even those made through non-filesystem interfaces, such as during maintenance when the system is booted from a DVD or network. It not only detects critical file changes but also identifies new filesystem mounts, network services, and kernel module loads. With a web-based security trap detection interface, WZSysGuard provides a comprehensive security solution that works with minimal overhead and maximum accuracy.
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