Best Free Computer Security Software of 2025

ManageEngine's Endpoint Central, formerly Desktop Central, is a Unified Endpoint Management Solution that manages enterprise mobility management, including all features of mobile app management and mobile device management, as well as client management for a wide range of endpoints such as mobile devices, laptops computers, tablets, servers, and other machines. ManageEngine Endpoint Central allows users to automate their desktop management tasks such as installing software, patching, managing IT assets, imaging, and deploying OS.

Chrome Enterprise enhances computer security by seamlessly integrating with existing endpoint protection systems and utilizing browser-specific safeguards. Each tab is isolated to inhibit the spread of malware, and security updates are automatically applied to ensure continuous protection. With features like Safe Browsing that prevent access to dangerous websites and sandboxing techniques that lower the chances of drive-by attacks, Chrome's security framework effectively reduces potential vulnerabilities on endpoints. This framework works alongside antivirus and firewall solutions, positioning Chrome Enterprise as a vital element in safeguarding corporate devices from advanced web-based threats. By offering multilevel security directly within the browser, it serves as a primary barrier against various cyber threats, alleviating the strain on traditional security measures and enhancing overall system robustness.

Monitor the volume of data your PC is using for every single app, thanks to GlassWire's network monitoring graph. Keep track of the volume of data you received and sent in the past and who or what your PC is talking to. Detect spyware, malware, badly behaving apps, and bandwidth hogs, then block their connections with our powerful firewall. Monitor devices on your network and get alerted when new unknown devices join your WiFi. GlassWire warns you of network-related changes to your PC or unusual changes to your apps that could indicate malware.

ActivTrak is a cloud-native workforce intelligence platform that transforms work activity data into actionable insights for employee monitoring, productivity and performance management, and workforce planning capabilities that deliver measurable ROI. Deployment is quick and easy — start collecting data in minutes.

Threatcop is a cyber security tool and simulator that simulates cyber attacks against employees. It also includes awareness modules and gamified assessments. It simulates and imparts personalized awareness based upon top 6 attack vectors, including Vishing, Ransomware and Vishing, SMiShing and Cyber Scam. It provides an overview of individual user awareness and a report on their cybersecurity awareness, called the 'Employee Viability Score (EVS).' The EVS score is used to customize the awareness videos, newsletters, and gamified quiz. This ensures cyber resilience. It provides a complete solution for cyber security awareness among your employees.

Experience a safer internet browsing environment with TunnelBear, which encrypts your connection to safeguard your online activities across any network. Simply launch the TunnelBear application, choose a country, and toggle the switch to activate it. Once connected, TunnelBear operates discreetly in the background, ensuring your data remains protected. Public WiFi networks can be a hotbed for hackers who might steal sensitive information like passwords and personal data; however, TunnelBear effectively mitigates this risk to protect your security. Additionally, internet service providers and network administrators typically have the ability to monitor all your online actions, but with TunnelBear activated, your activities remain hidden from their prying eyes. You may also encounter content that is geographically restricted; TunnelBear can alter your virtual location, granting you access to this content no matter where you are. Furthermore, ad services often utilize your IP address to track your browsing habits, yet TunnelBear prevents this by providing you with a new IP address. In cases where certain governments impose restrictions on popular websites and applications, TunnelBear can seamlessly bypass these barriers by modifying your virtual location, allowing for unrestricted access. This level of privacy and freedom enhances your overall internet experience.

McAfee WebAdvisor serves as a reliable ally, ensuring your online safety against various threats while you navigate the internet. This tool effectively shields you from malware and phishing schemes during your browsing sessions, all while maintaining optimal performance and user experience. With McAfee WebAdvisor, you can browse with peace of mind, as it protects you from malicious websites that may harbor adware, spyware, viruses, and phishing attacks. Begin your secure online journey at no cost by downloading McAfee WebAdvisor today. It features misclick protection that prevents malware exposure even if you inadvertently click on harmful links, as well as typo protection that assists you when you mistakenly enter a web address, guiding you to the correct site. Additionally, it provides safer downloads by scanning files and notifying you of any potential risks, as well as a security check that ensures your firewall and antivirus software are active before you begin browsing. Furthermore, the safe browsing feature employs a color-coded system to clearly indicate which links are safe to click, enhancing your overall online security. With such comprehensive protection, you can enjoy a more secure and worry-free internet experience.

OPSWAT Security Score can help you identify weak points in your computer security and fix issues that make you vulnerable to cyber attacks. 1. Download the free OPSWAT Security Score App and click it to run. No installation required! 2. Find out your security score and identify risks 3. Fix Your Security Issues

Sign up now to save 44% You can connect in one click and enjoy privacy, security, and unlimited internet access. VPNs encrypt your internet connection to protect it and your privacy. VyprVPN was created in response to government surveillance. Our strong encryption protects your information from hackers, identity theft, and malware. It prevents your ISP from tracking you every move and stops advertisers from selling or collecting your valuable data. VyprVPN allows you to escape censorship. To hide your location and bypass internet restrictions imposed by governments, workplaces, and organizations, change your IP address. Our servers disguise your identity and protect your traffic from being leaked to your ISP's DNS servers. VyprVPN offers an app that can be used for both public wi-fi and home streaming. VyprVPN can be installed on all devices to keep you connected and secure.

USBSecure Enterprise is a USB port security software for enterprise networks. USBSecure Enterprise protects your network from unwanted USB devices. Whitelists allow you to define the allowed USB devices per user. Centralized management, but no dedicated server required. USBSecure Enterprise also supports standalone machines. Supported devices: USB devices, Bluetooth devices, eSATA and FireWire devices, SD cards, floppy and CD/DVD drives.

Coro eliminates the need to constantly worry about security tools being overlooked and the security tool overload. There's no need to go through everything 10 times per day. Coro will monitor your security and alert you when you need to act. Coro will analyze the threats to your business and take action to eliminate them. Then, Coro will guide you on the next steps to improve your security. Coro is your central control point for sensitive data and practice data. It allows you to enforce a wide variety of security, compliance, and governance policies. Every email is scanned for malware, phishing, and ransomware, and we automatically eliminate any threats. We automatically detect and block insider threats, account hacking, and other malicious activities. We scan every file, email, and data share for PII/PCI/PHI and prevent confidential information from being leaked.

Protect essential organizational data and enhance employee efficiency with OneLogin, a reliable identity and access management (IAM) platform tailored for contemporary businesses. This solution is crafted to bolster security within enterprises while streamlining login processes, making it an ideal choice for organizations aiming to implement security measures effortlessly. OneLogin boasts a variety of highly-rated functionalities, including single sign-on (SSO), a centralized directory, user provisioning, adaptive authentication, mobile identity management, compliance reporting, and additional features. By leveraging these tools, companies can ensure both security and ease of access for their users. As organizations continue to navigate the complexities of digital security, OneLogin stands out as a comprehensive solution to meet these evolving needs.

RollBack Rx Professional serves as an instant time machine for your computer, providing a robust Windows System Restore solution that allows both users and IT professionals to swiftly revert their PCs to any desired previous state within seconds. This innovative software presents a new way of handling PC management, addressing unforeseen incidents such as user mistakes, malware attacks, or problematic software installations with remarkable ease and efficiency. Unlike traditional backup methods, which can be tedious and often require significant time to execute, RollBack Rx Professional enables immediate recovery, minimizing the disruption caused by system failures. The challenge with standard backup techniques, like imaging, is that they tend to be static and time-consuming, leading even the most diligent IT departments to neglect consistent backups. Consequently, in the event of a disaster, the age of the last backup can greatly influence the extent of data loss experienced. Considering that in today’s digital landscape, a staggering 98% of PC-related issues are classified as micro-disasters—including malware infections and problematic updates—having a reliable and quick restore solution like RollBack Rx is essential for maintaining system integrity and user productivity. Users can therefore enjoy peace of mind knowing that they can recover from mishaps swiftly, ensuring minimal downtime.

We offer complete protection for your website with our continuous security monitoring available around the clock. In the event of a hacker assault or virus infiltration, our team will promptly clean and restore your site. Our dedicated situation room monitors your website 24 hours a day, every day of the year. Should an attack happen, our software engineers will receive immediate alerts, allowing them to safeguard, clean, and repair your website as quickly as possible. We guarantee that your website will be cleaned and restored within 12 hours. You will also receive email reports and alerts to keep you informed. Our technical support is available 24/7 to assist you whenever needed. With CWIS Premium, you can expect top-notch protection at an affordable price, along with tailored recommendations to enhance your security measures further. Additionally, our proactive approach ensures that you remain one step ahead of potential threats.

CySight’s revolutionary Actionable Intelligence, trusted by Fortune 500 globally, enables organizations with the most cost-effective and secure way to tackle the increasing density, complexity, and expanse of modern physical and cloud networking. Deploying cyber network intelligence, CySight empowers network and security teams to substantially accelerate incident response by eliminating blindspots, analyzing network telemetry to discover anomalies, uncover cyber-threats, and quantifying asset usage and performance. CySight’s Dropless Collection method enables unsurpassed visibility of network Big-Data which is retained in the smallest footprint, accelerating machine learning, artificial intelligence and automation to fully utilize all metadata no matter the amount, size, or type.

Apozy Airlock. The browser endpoint detection platform and response platform that neutralizes all web attacks in just one click. The Internet can be dangerous. It doesn't have it to be. Airlock plugs the gap in the EPP/EDR. It protects your browser and delivers a safe, secure, and lightning-fast internet connection. Airlock is powered by the first visually-aware native browser isolate platform with over 6 petabytes visual data. It prevents web attacks in real-time. Airlock stops spearfishing from happening. Airlock's technology protects anyone clicking on malicious links by sandboxing them.

Login AlertX is designed to enhance your Windows PC security by providing instant email notifications each time your system is accessed via login or unlock. The app operates unobtrusively in the background, with easy system tray access and an automatic startup option to ensure no access goes unnoticed. Users can tailor their notification emails by configuring SMTP details, sender and recipient addresses, and customizing email subjects. Login AlertX avoids notification overload by tracking session states to prevent duplicate alerts. The premium version adds advanced security features, including webcam snapshots and audio recordings to capture who accessed your device. It also offers frequent alerts for every login event and delivers detailed system and network information in each notification. Sensitive settings like SMTP credentials are encrypted and stored securely on your local machine, ensuring privacy. The app is regularly audited for security vulnerabilities and prioritizes data protection and minimal data collection.

Hybrid SIEM solutions combine real-time log monitoring with comprehensive system and network monitoring to provide users with a complete view of their servers, endpoints, and networks. The security event log normalization and correlation engine with descriptive emails alerts provides additional context. It presents cryptic Windows security incidents in easy-to-understand reports that provide insight beyond what is available as raw events. EventSentry's NetFlow component visualizes network traffic and can detect malicious activity. It also provides insight into bandwidth usage. EventSentry's ADMonitor component makes it easy to keep track of Active Directory changes. It records all changes to Group Policy objects and provides a complete user inventory that can be used to identify old accounts. There are many integrations and multi-tenancy options.

Actively monitor, audit, report, notify, and react to all interactions with files and folders on Windows Servers and within cloud environments. Keep a close watch, in real time, on access to sensitive documents located on both Windows Servers and cloud storage. With robust filtering options, you can swiftly obtain the information you require, while tracking the IP address and machine name allows for precise identification of access instances. Configure email notifications and automated responses for various access events, such as denied access, file deletions, or activities linked to specific users, machines, or IP addresses, as well as large-scale actions like copying, deleting, or moving multiple files. Maintain a searchable, secure, and always-accessible audit trail for thorough reviews. Assess the access patterns and usage of files stored both on-premises and in the cloud to gain valuable insights. Additionally, set up centralized reporting schedules based on various criteria to streamline your oversight process. This comprehensive approach not only enhances security but also ensures compliance with organizational policies.

SpyShelter Anti Keylogger monitors the behavior of all current actions on your computer and allows you to block any malware attempts to take place. SpyShelter can stop both custom-made and commercial keyloggers. This technology is unique and cannot be detected by anti-virus software. SpyShelter doesn't rely on fingerprint databases, so you won't have to worry about zero day malware. Your registry, RAM, and all applications will be protected as soon as SpyShelter is installed. SpyShelter's fast algorithm processing is faster than other security software. This makes it more suitable for older computers. SpyShelter Anti Keylogger offers solid protection against both known and unknown "zero day" spy and monitoring software. This includes keyloggers screen loggers webcam loggers and keyloggers.

Bacula Enterprise offers a single platform that provides cloud backup and recovery software for the Modern Data Center. Bacula Enterprise backup & recovery software is ideal for medium and large businesses. It offers unique innovation, modern architecture and business value benefits, as well as low cost of ownership. Bacula Enterprise corporate backup software solution uses unique technologies that increase the interoperability of Bacula Enterprise into many IT environments, such as managed service providers, software vendors, cloud providers, enterprise data centers, and cloud providers. Bacula Enterprise is used by thousands of organizations around the world in mission-critical environments such as NASA, Texas A&M University and Unicredit. Bacula offers more security features than other vendors and advanced hybrid Cloud connectivity to Amazon S3, Google, Oracle, and many others.

Xeams, a secure and powerful complete email server for Windows, Linux Solaris, MacOSX, and other flavors UNIX, is available. Xeams supports SMTP and POP3, as well as IMAP. It has a powerful spam filtering engine which eliminates up to 99 percent of junk mail upon installation. It is very user-friendly because it offers a flexible approach to email.

GhostVolt is a privacy App which provides a secure, collaborative working environment for you and your team. GhostVolt stops unauthorised access to all your documents and helps fight against data theft and cybercriminals who want to steal your files and use them for ransomware, blackmail, and other criminal attacks. Control every user's permission with pre-set roles or customize what they can and can't do with every file. Also grant or restrict access to folders of your choice at any time. With powerful reporting tools you can also track and export the complete history of every user action or the history of any file. Take control of your data and get back to work, with GhostVolt.

Enhance your defense against harmful websites and phishing attempts while safeguarding your browsing information, and receive comprehensive privacy guidance tailored for you. Our complimentary browser extension serves as an ideal introduction to privacy protection. Fortify your web experience against digital dangers and deceptive scams. Maintain anonymity in your online interactions, obstruct intrusive trackers, and benefit from structured privacy recommendations. Quickly recognize and thwart phishing attempts with ease. Access safer search results that differentiate between secure and risky sites prior to your visit. Stay informed with immediate alerts if you encounter a potentially dangerous webpage. Ensure your online actions remain confidential and shield yourself from prying eyes. Streamline your privacy configurations swiftly across your preferred platforms, supported by our innovative Privacy Advisor. This feature not only offers you tailored privacy suggestions but also simplifies the management of your privacy settings on the websites you frequent. Together, these tools empower you to take control of your online security like never before.

Empower your family to establish healthy habits and safeguard those you care about. Implement screen time restrictions that encompass all devices, applications, and games. Once screen time is exhausted, you can decide whether to extend it or not, depending on what suits your family's needs. Foster a secure environment for your children to navigate the online world. Utilize the app's content filtering features to set appropriate boundaries, restrict access to unsuitable apps and games, and confine browsing to child-friendly sites via Microsoft Edge on platforms like Xbox, Windows, and Android. Maintain connections with your family members even when separated by utilizing location sharing and tracking. Share your whereabouts with loved ones, track their locations on a map, and save frequently visited spots. Additionally, gain insights into your family's driving behavior, including how often the driver uses their phone, their maximum speed, and the frequency of hard braking events, ensuring safety on the road. By taking these steps, you can help foster a healthier and more connected family dynamic.