Exploring the Best Open Source Endpoint Protection: Protect Your System!

network using free protection


In this article, we explore the best open source endpoint protection solutions.

In the digital age, securing your business’s endpoints is no longer optional—it’s a necessity. With the rise of cyber threats, small businesses must equip themselves with robust endpoint protection platforms. 

But what if you could do this without breaking the bank? We will focus on open-source software that offers advanced endpoint security without the hefty price tag.

Understanding Business Endpoint Protection

Business endpoint protection, or business endpoint security, involves securing corporate network endpoints or entry points of end-user devices. These are devices such as computers, laptops, and mobile devices from cyber threats. Corporate endpoint protection is a critical component in ensuring the security of your business’s network. This is especially critical with the increasing prevalence of remote work.

The Pros and Cons of Open-Source Software

Open-source software (OSS) has been a game-changer in the world of technology. It has democratized software development and usage, allowing anyone to view, use, modify, and distribute the project’s source code. This approach has its advantages and disadvantages. Understanding these tradeoffs can help businesses make informed decisions about whether to use open-source or closed-source (proprietary) software.

Note that some closed-source products offer free versions with limited functionality and/or support. Others offer trial versions that are licensed for some very short period of time to allow you to “try before you buy”.

Pros of Open-Source Software

  1. Cost-Effective. OSS is typically free to use, which makes it an attractive option for businesses. This is especially true for startups and small businesses with tight budgets.
    For example, Linux is an open-source operating system. Linux can be a cost-effective alternative to Windows or macOS, which require paid licenses.
  2. Flexibility and Customizability. With access to the source code, businesses can modify the software to suit their specific needs.
    For instance, a business can use the open-source e-commerce platform Magento . Using this, one can customize its online store’s functionality and appearance. This is not something not possible with a closed-source platform like Shopify.
  3. Community Support. OSS projects often have active communities that can provide support and contribute to the software’s development. This can lead to faster bug fixes and the addition of new features.
    For example, the Python programming language has a vast community that contributes to its libraries and frameworks. Thus, making Python a continually evolving language.
  4. Transparency and Security. The transparency of OSS allows anyone to inspect the code for bugs or potential weaknesses, leading to more secure software. For instance, the open-source web server software Apache is considered highly secure. This is because its code has been reviewed and improved by countless users worldwide.

Cons of Open-Source Software

  1. Lack of Official Support: While community support can be a strength, the lack of dedicated, official support can be a disadvantage. If a business encounters a problem with the software, there’s no guarantee of a timely solution. In contrast, closed-source software often comes with a support team that can provide immediate assistance.
  2. Complexity and Technical Skill: OSS often requires a higher level of technical skill to install, use, and maintain. For example, while Linux offers greater customizability than Windows, it also requires more technical knowledge to operate effectively.
  3. Compatibility Issues: OSS may not always integrate smoothly with other software, especially closed-source software. For instance, open-source office suites like LibreOffice can sometimes struggle with the formatting of documents created in Microsoft Office.
  4. Uncertain Future: The development of OSS depends on its community. If the community is not active or dwindles, the software may become outdated or cease to exist. In contrast, closed-source software is typically backed by companies that ensure the software’s continued development and maintenance.

In conclusion, the choice between open-source and closed-source software depends on a business’s specific needs, resources, and technical expertise. Both have their strengths and weaknesses, and understanding these can help businesses choose the software that best suits their operations.

Top-Rated Best Endpoint Protection Solutions



Snort is a free and open-source network intrusion prevention system capable of performing real-time traffic analysis and packet logging. It can detect a variety of attacks and probes, such as buffer overflows, stealth port scans, and CGI attacks. It offers real-time traffic analysis and packet logging.

Snort operates as a network intrusion prevention system. Snort  is highly effective in providing threat protection as well as protection from malware ransomware. It works by analyzing network traffic in real-time, identifying suspicious patterns that may indicate a threat. 

Snort uses a rule-driven language, which combines the benefits of signature, protocol, and anomaly-based inspection methods. This makes Snort  highly versatile in detecting and preventing a wide array of threats. 

When it comes to ransomware, Snort’s ability to detect malicious payloads and communication with command and control servers is invaluable. This allows it to identify and block ransomware attacks in their early stages, preventing them from encrypting data and causing damage. Furthermore, Snort’s open-source nature means it is continually updated by a global community of users. Thus ensuring it stays effective against the latest ransomware variants.

Like any package, the ability to provide malware protection is limited. Therefore it is a good idea to have a layered “defense in depth” approach. Use of antivirus or other malware detection software on individual devices where possible is a must.

The configuration of Snort can be complex and time-consuming. It may require a steep learning curve for those unfamiliar with intrusion detection systems.

Snort can integrate with other security tools like Wireshark and BASE (Basic Analysis and Security Engine).



OSSEC is a scalable, open-source host-based intrusion detection system. It has a powerful correlation and analysis engine. It integrates log analysis, file integrity checking, Windows registry monitoring, centralized policy enforcement, real-time alerting, and more.

OSSEC lacks a user-friendly interface, which can make it challenging for beginners to navigate and configure.

OSSEC can be integrated with other security tools like Splunk for enhanced log analysis.



CrowdSec is a modern behavior detection system, designed to respond to attacks based on their signature and behavior. It can protect your system against a variety of threats and can be easily integrated with your existing security infrastructure. It’s lightweight, easy to install, and offers a user-friendly dashboard.

As a relatively new tool, CrowdSec may lack some advanced features found in more established solutions.

CrowdSec can be integrated with firewalls and supports plugins for various programming languages.

Xcitium EDR


Xcitium EDR (Endpoint Detection and Response) is a robust cybersecurity technology that helps organizations continuously monitor all their endpoints to detect, analyze, and respond to cyber threats such as malware and ransomware attacks in real time. It includes a cloud-based application that monitors the endpoints and correlates telemetry data, providing analytics to the organization’s security teams.

Pros of Xcitium

Xcitium EDR offers extensive threat detection capabilities, including the ability to detect and respond to malicious activity, suspicious network traffic, and malicious files. The solution can respond automatically to detected threats, such as blocking malicious IP addresses, quarantining malicious files, and alerting security personnel.

Xcitium EDR provides visibility into the activities of endpoints, such as user logins, file access, and application usage. The solution can detect suspicious user behavior, such as unusual login attempts or data exfiltration attempts.

Xcitium EDR provides incident response capabilities, such as investigating and remediating threats.

Xcitium EDR can integrate with other security solutions, such as firewalls, antivirus, and SIEMs, providing a comprehensive security solution.

Cons of Xcitium

As with any solution, there may be potential drawbacks depending on the specific needs and resources of an organization. While the website does not explicitly list any cons, potential challenges could include:

As with many EDR solutions, a certain level of technical expertise may be required to effectively implement and manage the solution.

While the exact pricing is not listed on the website, cost for some configurations could be a potential barrier for some organizations, particularly smaller businesses with limited budgets.

Since Xcitium EDR is a cloud-based solution, organizations with strict data residency requirements or limited internet connectivity might face challenges.

Xcitium EDR can integrate with other security solutions, such as firewalls, antivirus, and Security Information and Event Management (SIEM) systems. These integrations allow for a more comprehensive and effective security posture, as information and alerts can be shared across systems, leading to more efficient detection and response to threats.

In conclusion, Xcitium EDR is a comprehensive endpoint detection and response solution that offers robust threat detection, automated response, and integration capabilities. However, as with any solution, organizations should consider their specific needs, resources, and technical capabilities when evaluating whether Xcitium EDR is the right fit for them.

The Hive

The Hive Project

The Hive is a scalable, open-source and free security incident response platform, designed to make incident handling more efficient. It allows for collaboration and information sharing while ensuring data privacy and security.  It provides case management, observables management, and task management.

The Hive requires a significant amount of setup and configuration.

The Hive can integrate with MISP (Malware Information Sharing Platform), Cortex (a powerful observable analysis engine), and other security tools.



Wazuh is a free, open-source host-based intrusion detection system. It provides log analysis, file integrity checking, policy monitoring, rootkit detection, and real-time alerting.

Wazuh can be complex to set up and configure, especially for large networks.

Wazuh can be integrated with Elastic Stack for enhanced data processing and visualization.

Zeek (Formerly Bro)


Zeek is a powerful network analysis framework that is much different from the typical IDS. It focuses on high-level network traffic analysis, providing logs for the traffic that flows through a network.

Zeek has a steep learning curve and requires knowledge of its scripting language to fully utilize its capabilities.

Zeek can be integrated with other security monitoring tools like Security Onion, ELK Stack, and more.



Suricata is a high-performance network IDS, IPS, and network security monitoring engine. It is open-source and owned by a community-run non-profit foundation, the Open Information Security Foundation (OISF). It provides real-time intrusion detection, network security monitoring, and offline pcap processing.

Suricata’s advanced features may be difficult for beginners to understand and utilize.

Suricata can integrate with various threat intelligence databases for improved threat detection.

Arkime (Formerly Moloch)


Arkime is a large-scale, open-source, indexed packet capture and search tool. It provides a robust interface for querying, replaying, and carving packet data. Also, it can be integrated with other security tools for streamlined analysis. It allows for efficient searching and exporting of captured PCAP data.

Arkime requires substantial storage resources due to its full packet capturing feature.

Arkime can be integrated with Elasticsearch for enhanced data indexing and search capabilities.



Maltrail is a malicious traffic detection system, utilizing publicly available (black)lists containing malicious and/or generally suspicious trails. 

This package requires regular updates of its malicious trails for effective threat detection.

Maltrail can be used alongside other network monitoring tools for comprehensive network security.



Redborder is an active cybersecurity platform.
It offers a range of features including:
–  network traffic analysis
– security information
– event management
– hardware monitoring. 

It is based on an open core business model, allowing for high-speed innovation and cost control. It  offers features like network traffic analysis, security information and event management, and correlation engine.

Redborder’s advanced features may require a steep learning curve for beginners.

Redborder can be integrated with other cybersecurity tools for a more robust security posture.

Open-Source vs. Paid Endpoint Protection Solutions

Open-source solutions offer cost-effectiveness and flexibility. On the other hand,  paid solutions often come with additional features, dedicated customer support, and regular updates. However, the best choice depends on your specific needs, technical expertise, and budget.

The problem with all open-source is, people assume that means free. It’s not. You still have to pay for deployment. This could be very expensive if you have a cloud-based solution. 

Even if you have your own server farm, you might need dedicated hardware which has both capital and operational expenses.

AWS has a lot of these products as pre-packaged instances. These instances can be easily deployed and have a pay-as-you-go model which is billed by the hour.

Endpoint Protection Software for Various Operating Systems

Most of the solutions mentioned above offer endpoint protection for various operating systems, including Windows, macOS, Android, and iOS. This ensures comprehensive protection for your diverse network.

Endpoint Protection for Mobile Devices

With the increasing use of mobile devices in business operations, endpoint protection for mobile devices has become crucial. Solutions like Wazuh and Xcitium EDR offer robust mobile device endpoint security.

Cloud-Based Endpoint Protection

Cloud-based endpoint protection solutions offer scalability, ease of deployment, and remote management. Solutions like CrowdSec and Redborder offer cloud-based endpoint protection, ensuring your network remains secure regardless of its size or complexity.

Unified Endpoint Management (UEM)

Unified Endpoint Management (UEM) is an approach to securing and controlling desktop computers, laptops, smartphones, and other endpoints in a connected, cohesive manner from a single console. UEM combines the management of multiple endpoint types in a single console, providing a comprehensive solution that simplifies the overall management process.

Benefits of UEM

  1. Centralized Management: UEM provides a single, centralized management console to manage all endpoints. This simplifies the management process, making it easier to enforce policies, deploy software updates, and monitor the health and security of all devices.
  2. Improved Security: UEM allows for consistent application of security policies across all devices. This ensures that all endpoints, regardless of type or operating system, adhere to the same security standards, reducing the risk of a security breach.
  3. Cost Savings: By consolidating multiple management tools into one, UEM can reduce the overall cost of endpoint management. It also improves efficiency, as IT teams can manage all devices from a single platform.
  4. Enhanced Productivity: With UEM, IT teams can quickly deploy software updates and fix issues, reducing downtime and improving productivity. Employees can also work more efficiently, as they have consistent access to company resources across all their devices.

Examples and Use Cases of UEM

  1. Mobile Device Management: A company with a Bring Your Own Device (BYOD) policy can use a UEM solution to manage all employee devices. This ensures that all devices, whether company-owned or personal, comply with company security policies.
  2. Remote Work: In a remote work setup, a UEM solution can help manage and secure all devices used by remote workers. This includes deploying necessary software, enforcing security policies, and troubleshooting issues remotely.
  3. Software Deployment: A software company can use a UEM solution to manage the deployment of software updates to all endpoints. This ensures that all devices are running the latest, most secure version of the software.
  4. Healthcare: In a healthcare setting, a UEM solution can manage and secure devices like tablets used by medical staff for patient care. This ensures the privacy and security of patient data while allowing staff to access necessary information from any device.

In conclusion, UEM is a powerful tool for managing and securing all endpoints in a network. By providing centralized management and consistent security policies, UEM can improve efficiency, enhance security, and reduce costs.


Securing your network’s endpoints is crucial in today’s cyber threat landscape. Thankfully, there are numerous open-source endpoint protection solutions available that offer robust security without the hefty price tag. The goal is to understand your specific needs and explore the options available. Then, you can find a solution that offers the best protection for your business.

Frequently Asked Questions

1. Is Symantec endpoint protection free or paid?

Symantec Endpoint Protection is a paid solution. However, they do offer a free trial for users to test out their services before purchasing.

2. What is the difference between EDR and endpoint protection?

Endpoint Detection and Response (EDR) is a subset of endpoint protection. While endpoint protection focuses on preventing security breaches, EDR focuses on detecting potential threats and responding to them effectively.

3. Do I need antivirus if I have endpoint security?

Endpoint security often includes antivirus protection. However, it also includes other features such as firewall protection, intrusion detection systems, and more. Therefore, if you have a comprehensive endpoint security solution, you may not need a separate antivirus.

4. Is endpoint protection service necessary?

Yes, endpoint protection is necessary for businesses of all sizes. Securing the endpoints of your network is crucial to protect your business data and maintain trust with your clients. This is very important with the increasing number of cyber threats.

5. What are some of the best free endpoint protection solutions?

Some of the best free endpoint protection solutions include:
– Snort
– CrowdSec
– Xcitium EDR
– The Hive
– Wazuh
– Zeek
– Suricata
– Arkime
– Maltrail
– Redborder

These solutions offer robust security features and are a great starting point for small businesses looking to secure their network.

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