Best Free Computer Security Software of 2025

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.

OneLogin, a trusted identity management (IAM), solution for modern enterprises, helps you secure company information and empower your employees. OneLogin is a great solution for companies that want to simplify business logins and strengthen enterprise security. OneLogin features include single sign-on (SS), user provisioning, unified directory, user provisioning and adaptive authentication. Compliance reporting is also available.

Your website is protected 100% with our 24/7 security monitoring. We will immediately repair or clean up your website if hackers infect it. Our situation room offers 24/7/365 monitoring of the website. Our software engineers will immediately notify you if there is an attack and repair your website as soon as possible. Website cleanup and repair within 12hrs. Reports & Alerts via email. 24/7 Technical support. CWIS Premium will provide you with the best protection for a reasonable price. You will be given recommendations for security hardening.

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.

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.

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.

Securer way to surf the internet TunnelBear encrypts the internet connection to protect your online activity on any network. Simply open TunnelBear, choose a country, then flip the switch. TunnelBear will quietly work in the background while you connect to ensure your data is secure. Hackers can steal passwords, and other data via insecure public WiFi. TunnelBear blocks them to protect you. All you do online is visible to internet providers and network owners. TunnelBear is a tool that makes it impossible for them to see anything. Some content is restricted to certain regions. TunnelBear allows you to see content anywhere by changing your virtual location. Ad services track your behavior across websites using your IP address. TunnelBear blocks them by assigning a new IP. Some governments block apps and websites that are popular. TunnelBear allows you to change your virtual location to unblock them.

McAfee WebAdvisor helps you stay safe while browsing and searching the web. WebAdvisor protects you from malware and phishing attempts as you surf the web. It does not affect your browsing performance. Protect yourself against malicious sites that may contain spyware, viruses, adware, and phishing scams. McAfee WebAdvisor is free and will help you enjoy worry-free web surfing. McAfee WebAdvisor offers misclick protection to block malware and phishing websites if you click on a malicious URL, typo protection that protects against incorrectly typed web addresses and points you in the right direction, safer downloading that scans your downloads and alerts if there is a risk, security check to make sure your firewall and antivirus are active before you surf, and safe browsing that uses a color-coded system that lets you know which links you can click.

RollBack Rx Professional provides instant time machines for your computer. It is a comprehensive Windows System Restore tool that allows users and IT administrators alike to quickly restore their PCs to any state they desired. RollBack Rx Professional is a new way to manage PCs. RollBack Rx Professional allows you to quickly and efficiently reverse any unanticipated events such as user errors, viruses, and even bad software installations. Most backup techniques (ex. Most backup techniques (ex. This task is so difficult that even IT professionals are not able to make regular backups. If a disaster does occur, the amount of data lost will depend on how far back the backup was taken. Today's computer environment is 98% prone to micro-disasters (malware, corrupt Windows updates, software installation, etc. ).

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.

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.

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.

Monitor, audit, report, alert, and respond to all files and folders on Windows Servers as well as in the cloud. Monitor in real-time access to sensitive files on both Windows Servers as well as in the cloud. You can quickly find the answers you need with powerful filtering. Tracking IP address and machine names pinpoints exact access. You can set up email alerts and a trigger response for access events (access denied, file deletion, a specific user, IP address, time of access), and mass access events like the copy, deletion, or movement of bulk documents. Review a searchable audit trail that is secure, always-available, and searchable. Analyze access to and use of files stored on-premises as well as in the cloud. Schedule centralized reports based on multiple criteria.

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.

This is the best online virus scanner you can use to find hidden threats on your Mac and PC. Find out if your files contain malicious software and block it from being installed. Before you know it, threats can cause damage to your device. HouseCall can help you get your device back on track. The detailed report will allow you to see which threats have been targeting your device and can take immediate action. HouseCall allows you to choose whether you want a quick scan or a full scan. You can also create a custom scan. Free scans to detect and fix viruses, trojans, spyware, and other malicious threats. HouseCall will quickly detect new threats on your Windows and Mac computers, without affecting your existing security software. HouseCall can keep malicious files from your computer and prevent them from spreading. HouseCall for Home Networks scans your network devices for vulnerabilities and suggests how to fix them.

Employees must be taught how to recognize and report phishing emails. Cofense PhishMe™ simulates the latest threats that bypass SEGs. This empowers your users to be human threat detectors. You can have the best organizational defense by having resilient users who are aware of the latest phishing threats. In just a few clicks, you can create a complete 12-month program with Cofense PhishMe Playbooks. This includes phishing scenarios, landing pages and attachments as well as educational content. Smart Suggest uses embedded best practices and advanced algorithms to suggest scenarios based on industry relevance, current active threats, and program history. Reporting and resilience rates are the most important parts of your phishing defense. Cofense Reporter™ is a one-click reporting tool that can boost reporting and make users active defenders.

Protect your browser data from malicious websites and phishing attacks, and receive step-by-step privacy guidance. Our browser extension is a great privacy starter pack. Protect your browser from online threats and phishing scams. Protect your online activity, block online snooping, and receive step-by-step privacy advice. In seconds, identify and block phishing scams. Safer search engine results will show you which sites are safe before you visit them. Receive real-time threat alerts whenever you come in contact with suspicious web pages. Protect your online activity, block online snooping, and receive step-by-step privacy advice. Your online activities will remain anonymous and private. Our Privacy Advisor will help you optimize your privacy settings across all your favorite platforms. Our new Privacy Advisor feature will help you get privacy advice and manage your privacy settings across all your favorite online platforms.

You and your family can create healthy habits and protect those you love. You can set screen time limits for apps, games, and devices. You can decide whether to add or remove screen time as your screen time runs out based on what is best for you and the family. Your children can explore the internet in a safe environment. You can use the app's content filtering settings on Android, Windows, and Xbox to set healthy boundaries and block inappropriate apps and games. Limit your browsing to kid-friendly sites using Microsoft Edge on Android, Windows, and Xbox. Family location sharing and tracking allows you to stay connected even when your are away. You can share your location with family members, track them on a map and save the places they frequent most. You can get insights into how your family is doing on a road trip, such as how often they use their phone, top speed and how often they brake hard.

We are monitored and spied upon every time we surf the Internet. Online services can track and use cookies to determine where a visitor is from, what operating system they are using, and what browser they are using. AntiBrowserSpy is a Windows tool that dries up involuntary data flows and creates a muzzle for web browsers. The browser cloak or invisibility of this tool prevents Chrome, Firefox, Opera, and Microsoft Edge from being accessed. It is based on the user's typical browser "fingerprint" that allows the tool to recognize the user. The range of functions includes a Google Analytics Blocker, a local browser cleaning (cache cookies and history), and a Google Analytics Blocker. The integrated BrowserCheck also checks your browser settings after every session and informs you if any changes have occurred.