List of the Top 25 Free Computer Security Software in 2025

ManageEngine's Endpoint Central, which was previously known as Desktop Central, serves as a comprehensive Unified Endpoint Management Solution that oversees enterprise mobility management. This solution encompasses all aspects of mobile app and device management, in addition to client management for various endpoints, including mobile devices, laptops, tablets, servers, and other computing machines. With ManageEngine Endpoint Central, users can streamline and automate numerous desktop management activities, such as software installation, patching, IT asset management, imaging, and operating system deployment, thereby enhancing operational efficiency across the organization. This tool is particularly beneficial for IT departments looking to maintain control over their diverse technology environments.

Keep an eye on the data usage of each application on your computer with GlassWire's detailed network monitoring graph, which allows you to review both sent and received data over time while identifying the connections your PC is making. It effectively identifies spyware, malware, poorly behaving applications, and bandwidth-intensive programs, enabling you to block their connections using its robust firewall. You can also oversee all devices connected to your network and receive notifications when unfamiliar devices attempt to access your WiFi. Additionally, GlassWire alerts you to any network-related modifications to your computer or unusual alterations in your applications that may suggest the presence of malware, ensuring your system remains secure. This comprehensive monitoring helps you maintain control over your network environment and safeguard against potential threats.

ActivTrak is a cloud-based platform designed for workforce intelligence, enabling the conversion of work activity data into practical insights for monitoring employees, enhancing productivity and performance management, and facilitating effective workforce planning that yields quantifiable returns on investment. The setup process is streamlined and efficient, allowing users to begin gathering data within minutes. This quick deployment empowers organizations to make informed decisions almost immediately.

Threatcop is a cybersecurity simulation tool designed to mimic cyber attacks targeting employees while also offering training modules and gamified assessments. It focuses on enhancing awareness through tailored simulations based on the six primary attack vectors, such as Vishing, Ransomware, and SMiShing, alongside various cyber scams. Additionally, it evaluates individual user awareness and generates a report known as the 'Employee Viability Score (EVS),' which serves as a benchmark for assessing cybersecurity knowledge. The EVS is instrumental in personalizing educational materials like videos, newsletters, and interactive quizzes, thereby reinforcing overall cyber resilience. By providing a comprehensive approach to cybersecurity education, Threatcop ensures that employees are well-equipped to recognize and respond to potential threats. Ultimately, this tool not only enhances awareness but also fosters a proactive security culture within organizations.

TunnelBear offers a more secure online browsing experience by encrypting your connection, thus protecting your activities on any network. To get started, simply open the TunnelBear app, select a country, and switch on the service. Once activated, TunnelBear quietly runs in the background, keeping your data safe from potential threats. Public WiFi can often be a playground for cybercriminals eager to capture sensitive information, such as passwords and personal details, but TunnelBear significantly reduces this threat to bolster your online security. Moreover, internet service providers and network administrators usually have the capability to observe your online behavior; however, with TunnelBear turned on, your internet activities are shielded from their scrutiny. You may also face geographical restrictions on certain content, but TunnelBear can change your virtual location, enabling you to access that content regardless of your actual whereabouts. Additionally, ad companies tend to track your browsing habits using your IP address, but TunnelBear assigns you a new IP address to prevent this tracking. In situations where governments enforce limits on certain websites and applications, TunnelBear can effortlessly navigate around these obstacles by altering your virtual presence, ensuring you have unrestricted access. This comprehensive protection not only enhances your online privacy but also enriches your overall internet experience, allowing you greater freedom in your digital activities. Ultimately, using TunnelBear can empower you to browse the web with confidence and peace of mind.

McAfee WebAdvisor acts as a trusted companion, safeguarding your online presence from a range of threats while you explore the web. This tool efficiently protects you from malware and phishing attempts during your internet sessions, all the while ensuring a seamless performance and user-friendly experience. With McAfee WebAdvisor, you can surf the web with confidence, as it shields you from harmful sites that could be infested with adware, spyware, viruses, and phishing schemes. You can kickstart your secure online adventure at no cost by downloading McAfee WebAdvisor today. It boasts misclick protection that mitigates malware risks even if you accidentally click on a dangerous link, alongside typo protection that helps redirect you to the correct website when an address is entered incorrectly. Moreover, it enhances download safety by scanning files and alerting you to any potential threats, as well as conducting a security check to verify that your firewall and antivirus programs are operational before you begin your browsing. The safe browsing feature also uses a color-coded system to clearly identify which links are safe to follow, significantly boosting your overall online security. With such an extensive array of protective measures in place, you can look forward to a more secure and enjoyable internet experience, allowing you to focus on what truly matters during your online activities. This added layer of security contributes to a more relaxed and confident approach to navigating the digital landscape.

The OPSWAT Security Score is an effective tool for pinpointing vulnerabilities in your computer's security and addressing problems that could expose you to cyber threats. Begin by downloading the complimentary OPSWAT Security Score App, which requires no installation—just click to launch it! Next, discover your security score and recognize any associated risks. Finally, take the necessary steps to resolve your security issues and enhance your protection against potential attacks. By proactively managing your security, you can better safeguard your digital environment.

Join now to take advantage of a 44% discount! With just one click, you can experience enhanced privacy, robust security, and limitless internet access. VPNs work by encrypting your online connection, safeguarding both your data and your privacy. VyprVPN was specifically developed to counteract government surveillance efforts. Our advanced encryption shields your personal information from threats like hackers, identity theft, and malware. It also keeps your Internet Service Provider (ISP) from monitoring your online activities and prevents advertisers from harvesting your valuable data. VyprVPN empowers you to bypass censorship effortlessly. By changing your IP address, you can obscure your location and navigate around internet restrictions enforced by authorities, workplaces, and other organizations. Our servers effectively conceal your identity and secure your traffic from being exposed to your ISP's DNS servers. VyprVPN provides a versatile app suitable for use on public Wi-Fi as well as for home streaming needs. You can install VyprVPN on all your devices to ensure you remain connected and protected at all times, no matter where you are. Enjoy uninterrupted access to the internet while maintaining your privacy with VyprVPN.

USBSecure Enterprise is a security software solution designed to safeguard enterprise networks from unauthorized USB device access. This software effectively prevents unwanted USB devices from connecting to your network. With its whitelisting feature, you can specify which USB devices are permitted for each user. Management is centralized, eliminating the need for a dedicated server, and it also accommodates standalone machines. Additionally, USBSecure Enterprise extends its support beyond USB devices to include Bluetooth devices, eSATA and FireWire devices, as well as SD cards, floppy drives, and CD/DVD drives, ensuring comprehensive protection across various media types. This versatility makes it an essential tool for enhancing network security in any organization.

Coro alleviates the constant concerns surrounding overlooked security tools and the overwhelming number of security solutions available. You won't have to sift through everything multiple times a day anymore. With Coro, your security will be monitored continuously, and you will receive alerts when action is necessary. It assesses the potential threats to your organization and takes proactive measures to neutralize them. Moreover, Coro provides guidance on subsequent steps to enhance your security posture. Acting as a central hub for both sensitive and operational data, Coro enables you to implement a diverse array of security, compliance, and governance policies effectively. Every email undergoes thorough scanning for malware, phishing attempts, and ransomware, with threats being automatically neutralized. Additionally, we identify and thwart insider threats, account takeovers, and other harmful activities seamlessly. Each file, email, and data share is meticulously examined for sensitive information such as PII, PCI, and PHI, ensuring that confidential data remains secure and protected from leaks. Ultimately, Coro not only simplifies security management but also empowers organizations to strengthen their overall data protection strategies.

Safeguard vital organizational information and improve employee productivity through OneLogin, a dependable identity and access management (IAM) platform designed specifically for modern enterprises. This solution is engineered to enhance security within organizations while simplifying the login experience, making it a perfect fit for businesses looking to adopt security protocols with ease. OneLogin offers an array of highly-rated features, such as single sign-on (SSO), a centralized user directory, user provisioning, adaptive authentication, mobile identity management, compliance reporting, and more. Utilizing these capabilities, organizations can achieve a balance of security and user accessibility. As the landscape of digital security continues to evolve, OneLogin emerges as a robust solution to address the growing demands and challenges faced by companies today. Furthermore, its user-friendly interface and comprehensive support further solidify its position as an essential tool for businesses striving for both protection and efficiency.

RollBack Rx Professional functions as an immediate time machine for your computer, offering a powerful Windows System Restore solution that enables both individual users and IT specialists to quickly revert their systems to any previously saved state in just seconds. This groundbreaking software introduces a fresh approach to PC management, effectively tackling unexpected challenges such as user errors, malware infections, or troublesome software installations with impressive simplicity and speed. Unlike conventional backup solutions, which can often be laborious and require considerable time to complete, RollBack Rx Professional facilitates instant recovery, significantly reducing the disruptions caused by system failures. The drawback of typical backup strategies, such as imaging, is that they are often static and time-intensive, prompting even the most meticulous IT departments to skip regular backups. As a result, during a crisis, the recency of the last backup can have a profound impact on the amount of data lost. In light of the fact that approximately 98% of computer-related problems are categorized as micro-disasters—ranging from malware attacks to problematic updates—having a dependable and rapid restoration tool like RollBack Rx is crucial for upholding system reliability and enhancing user productivity. This ensures that users can maintain their workflow without significant delays, as they can swiftly bounce back from any setbacks. Ultimately, with RollBack Rx Professional, both efficiency and peace of mind become attainable, allowing users to navigate the complexities of technology with confidence.

We provide comprehensive security for your website through our round-the-clock monitoring services. In case of a cyberattack or malware incident, our skilled team will efficiently clean and restore your site. Our dedicated monitoring team keeps an eye on your website every hour of every day throughout the year. If an attack occurs, our software engineers are instantly notified, empowering them to protect, sanitize, and repair your site without delay. We are committed to ensuring your website is cleaned and restored within a guaranteed timeframe of 12 hours. In addition, you will receive timely email updates and alerts to keep you apprised of any developments. Our customer support team is available 24/7 to provide assistance whenever you require it. With CWIS Premium, you are assured exceptional protection at a competitive price, complemented by personalized recommendations to further bolster your security strategies. Furthermore, our proactive measures help ensure that you stay ahead of potential threats, offering peace of mind in an ever-evolving digital landscape.

CySight’s groundbreaking Actionable Intelligence is relied upon by Fortune 500 companies worldwide, providing organizations with a highly efficient and secure solution to address the growing challenges posed by the complexity and scale of contemporary physical and cloud networking. By leveraging cyber network intelligence, CySight enhances the capabilities of network and security teams, allowing them to significantly speed up incident response times by revealing hidden vulnerabilities, scrutinizing network data to identify irregularities, detecting cyber threats, and assessing the usage and performance of assets. Additionally, CySight’s innovative Dropless Collection technique grants unparalleled visibility into vast network data, ensuring that information is stored in the most compact manner possible, which in turn boosts machine learning, artificial intelligence, and automation efforts to maximize the potential of all types of metadata, regardless of size or complexity. This comprehensive approach not only streamlines operations but also empowers organizations to stay ahead in an ever-evolving digital landscape.

Apozy Airlock is a browser endpoint detection and response solution that effectively neutralizes all web threats with a single click. While the online world can pose numerous dangers, Airlock ensures a safer experience by filling the void left by traditional EPP/EDR solutions. It safeguards your browser while providing a secure, fast, and reliable internet connection. This innovative platform is driven by the first visually-aware native browser isolation technology, equipped with over 6 petabytes of visual data, enabling it to thwart web attacks in real-time. Additionally, Airlock is designed to prevent spear phishing incidents by employing advanced sandboxing techniques that protect users from malicious links. With Airlock, users can navigate the web with confidence, knowing they are shielded from potential threats at every click.

Hybrid SIEM solutions integrate real-time log tracking along with thorough system and network surveillance, granting users an all-encompassing perspective of their servers, endpoints, and networks. The normalization and correlation engine for security event logs, accompanied by informative email alerts, enhances context, turning complex Windows security events into straightforward reports that reveal insights beyond mere raw data. Furthermore, EventSentry’s NetFlow feature visualizes network traffic, enabling the detection of potentially harmful activities while also shedding light on bandwidth consumption. The ADMonitor component from EventSentry simplifies the monitoring of Active Directory modifications, capturing all alterations to Group Policy objects and compiling a comprehensive user inventory to help in pinpointing obsolete accounts. Additionally, the solution offers a wide array of integrations and options for multi-tenancy, making it adaptable to various organizational needs. This flexibility allows businesses to tailor their security monitoring to fit their specific requirements effectively.

Continuously oversee, evaluate, report, inform, and respond to all interactions involving files and folders on Windows Servers and in cloud environments. Maintain vigilant, real-time surveillance on the access of sensitive documents stored on both Windows Servers and cloud platforms. With advanced filtering capabilities, you can quickly access the information you need, and by tracking the IP address and machine name, you can accurately pinpoint instances of access. Set up email alerts and automated reactions for different access scenarios, including denied access, file deletions, or actions associated with specific users, machines, or IP addresses, along with larger activities like the copying, deleting, or moving of multiple files. Ensure that you keep a searchable, secure, and readily available audit trail for comprehensive reviews. Evaluate the patterns of access and utilization of files saved both on-site and in the cloud to extract meaningful insights. Furthermore, implement centralized reporting schedules tailored to various criteria to enhance your monitoring efficiency. This all-encompassing strategy not only improves security measures but also guarantees adherence to organizational guidelines, ultimately fostering a safer data environment. Such proactive management significantly contributes to maintaining the integrity of sensitive information across platforms.

SpyShelter Anti Keylogger continuously observes all activities on your computer, enabling you to prevent any malicious software from executing its harmful actions. It is designed to effectively combat both bespoke and commercially available keyloggers. This innovative technology is undetectable by traditional anti-virus programs, ensuring a higher level of security. Since SpyShelter does not depend on fingerprint databases, you can rest assured against the threat posed by zero-day malware. Once installed, it safeguards your registry, RAM, and every application on your system immediately. The rapid processing capabilities of SpyShelter surpass those of many other security solutions, making it an excellent choice for older machines. With its robust defenses, SpyShelter Anti Keylogger provides comprehensive protection against both recognized and unknown surveillance software, including keyloggers, screen recorders, webcam interceptors, and more. The effectiveness of this software makes it a vital addition to anyone concerned about their digital privacy.

Bacula Enterprise delivers a comprehensive platform designed specifically for cloud backup and recovery tailored to the needs of the Modern Data Center, making it particularly suitable for medium to large enterprises. This software stands out due to its innovative features, contemporary architecture, and significant business value, all while maintaining a low total cost of ownership. By leveraging distinctive technologies, Bacula Enterprise enhances its compatibility across diverse IT environments, which include managed service providers, software vendors, enterprise data centers, and various cloud providers. Thousands of organizations worldwide, including prestigious institutions like NASA, Texas A&M University, and Unicredit, rely on Bacula Enterprise for their mission-critical operations. Additionally, Bacula outperforms competing vendors by offering superior security features and advanced hybrid cloud connectivity options to major platforms such as Amazon S3, Google, and Oracle, ensuring that businesses can safeguard their data effectively. The robust capabilities of Bacula Enterprise make it an invaluable asset for organizations seeking reliable data protection and recovery solutions.

Xeams is a robust and secure all-in-one email server compatible with various operating systems, including Windows, Linux, Solaris, MacOSX, and other UNIX variants. The server supports essential protocols such as SMTP, POP3, and IMAP, ensuring comprehensive email functionality. One of its standout features is a highly effective spam filtering system that can remove as much as 99 percent of unwanted emails right from the start. Additionally, its user-centric design allows for a customizable email experience, making it accessible for users of all levels. With its impressive capabilities, Xeams stands out as an excellent choice for managing email communications efficiently.

GhostVolt is a privacy application designed to create a safe and collaborative workspace for you and your team. By preventing unauthorized access to your documents, GhostVolt serves as a crucial defense against data breaches and cybercriminals seeking to exploit your files for purposes such as ransomware and extortion. You can manage user permissions effectively through predefined roles or tailor access based on specific file requirements. Additionally, the app allows you to grant or deny access to designated folders at your discretion. With its robust reporting features, you can monitor and export a comprehensive history of each user's activities and the actions taken on any file. Empower yourself to safeguard your information and focus on your projects with the help of GhostVolt, ensuring that your data remains protected and accessible only to those you trust.

Encourage your family to cultivate healthy routines and protect those you cherish. Set screen time limits that apply to all devices, apps, and games. Once the allotted time is up, you have the option to extend it based on your family's preferences. Create a safe space for your children as they explore the online world. Take advantage of the app’s content filtering options to establish suitable limits, block inappropriate applications and games, and restrict browsing to safe websites using Microsoft Edge on devices like Xbox, Windows, and Android. Keep in touch with family members even when apart by enabling location sharing and tracking. You can communicate your location to family, monitor their positions on a map, and bookmark frequently visited locations. Furthermore, gain valuable insights into your family's driving habits, including phone usage while driving, top speeds reached, and instances of hard braking, which can enhance road safety. By implementing these measures, you can significantly contribute to a healthier, more connected family environment that thrives on mutual support and understanding.

Uncover the leading free online virus scanner that proficiently reveals hidden risks present on both PCs and Macs. It's crucial to assess the safety of your files to prevent malicious software that may be lurking unnoticed. Numerous threats can jeopardize your device's security before you even realize they are there. HouseCall steps in to help restore your device to optimal functionality. The detailed report it generates highlights the threats that have targeted your device, enabling you to act swiftly. You can choose between a quick scan, an in-depth full scan, or even tailor a custom scan to suit your specific needs. This service ensures that you can detect and remove viruses, worms, spyware, and other harmful threats entirely for free. Moreover, HouseCall operates smoothly alongside your existing security software, effectively identifying new threats on your Windows or Mac systems. You can rely on HouseCall to safeguard your device from harmful files and inhibit their spread. Moreover, HouseCall for Home Networks broadens its scanning services to encompass all devices linked to your home network, pinpointing vulnerabilities and offering actionable solutions to enhance your overall security. By utilizing this service, you can ensure a comprehensive defense for all your connected devices, creating a safer digital environment for your household.

Maintaining the confidentiality of your online activities and computer use is crucial, yet many third parties frequently monitor your personal data and browsing patterns to exploit your digital presence or jeopardize your identity. To effectively counter the persistent risk of cyber threats, it is vital to have strong software that can defend against harmful intrusions continuously. In our current digital environment, anyone has the potential to fall prey to cybercrime because of the extensive personal information accessible online, which makes it increasingly difficult to protect against hacking attempts. Our comprehensive software is crafted to safeguard you and your family while using various devices or surfing the web. The Cyber Privacy Suite efficiently shields against significant privacy threats and actively identifies vulnerabilities where your data might be at risk or exposed. By implementing this software, you can navigate the online landscape with increased confidence and tranquility, knowing you are better protected from potential dangers. In an age where digital security is paramount, investing in such solutions is not just beneficial but essential for personal safety.

ShieldApps' Webcam Blocker offers a sophisticated security solution that utilizes state-of-the-art privacy enhancement technologies, all presented through a user-friendly interface that allows for seamless, one-click activation. This software effectively prevents unauthorized access to your webcam and microphone, safeguarding you against potential exploitation of any captured data. Its elegant and intuitive design makes it simple to manage the blocking of both your webcam and microphone with minimal effort. By adopting ShieldApps Webcam Blocker, you not only strengthen your computer's security, but also take an active role in maintaining your privacy online. Once activated, any attempts—whether from external threats or internal vulnerabilities—to access your webcam are swiftly thwarted, providing you with added assurance and tranquility. Using this software empowers you to explore the online realm with confidence, fully aware that your privacy remains secure at all times. Additionally, the ongoing updates ensure that you stay protected against evolving threats, further enhancing your overall digital safety.