Best Computer Security Software for Windows
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Compare the Top Computer Security Software for Windows as of October 2025
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What is Computer Security Software for Windows?
Computer security software helps protect devices, networks, and sensitive data from unauthorized access, cyberattacks, and other security threats. These tools provide a range of protective features such as antivirus, firewall, encryption, malware detection, and intrusion prevention systems. Computer security software is essential for safeguarding against viruses, ransomware, spyware, and phishing attacks, ensuring the integrity, confidentiality, and availability of data. Many security solutions also offer real-time monitoring, automated updates, and threat intelligence to detect and mitigate new vulnerabilities as they emerge. Businesses and individuals rely on computer security software to reduce risks, comply with regulations, and maintain a secure computing environment. Compare and read user reviews of the best Computer Security software for Windows currently available using the table below. This list is updated regularly.
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1
SpamTitan
TitanHQ
SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.Starting Price: $2.14/user/month -
2
GlassWire
GlassWire
Instantly see who or what your PC is talking to on GlassWire's network monitoring graph, plus see what your PC may have connected to in the past. Detect spyware, malware, badly behaving apps, and bandwidth hogs, then block their connections. Monitor other PCs 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. GlassWire offer a Consumer Solution and a Business solution, to suit the needs of both personal users and IT professionals. Among the features: Real-Time Monitoring to keep an eye on active and past network activity Threat. Threat Detection. GlassWire's built-in firewall detects and blocks potential threats. Application Tracking to Identify which applications are using your network and track their usage patterns. Bandwidth Usage, to stay informed about data consumption, And many more!Starting Price: $35.88/year/user -
3
Avast Ultimate Business Security
Avast Business
Comprehensive cybersecurity and patch automation for growing businesses Avast Ultimate Business Security includes our award-winning next-gen antivirus with online privacy tools and patch management automation software to help keep your devices, data, and applications updated and secure. Key Benefits: * Remote Management - Manage your devices and security as you scale and grow * Device Protection - Safeguard your business devices against cyberattacks * Data Protection - Prevent ransomware and data breaches, even from the inside * Online Security and Privacy - Stay away from phishing, sniffers, scams, and other online threats * Patch Management - Save time by automatically patching software vulnerabilitiesStarting Price: $39.99/year/user -
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When an unrecognized file is downloaded onto one of your PCs, a copy will be sent to our experts at our Threat Labs to identify if it’s safe or not. Checks webpages before they open in your browser and displays a safety rating in the search engine results to help you surf the web with more confidence. Better protection against even the newest malware thanks to cloud-based Real-Time Outbreak Detection and proactive AI Detection. Protects against online security threats like spam, viruses, hackers and malware. Anti-Spyware protects your identity from spyware and adware that tracks personal information. Our Windows file server security helps keep it safe, private and out of the hackers’ hands. Advanced File Shredder securely deletes files to help prevent unintended recovery. Scans your PC when you’re not working so it doesn't get in the way. It does the hard work so you and your employees can focus on your business without costly distractions and delays.Starting Price: $44.99 per year
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5
Surfshark
Surfshark
Surfshark is a privacy protection company offering a seamless VPN with a strong focus on security. It provides intuitive apps for all devices, thousands of IP addresses in 63 countries, and 3200+ bare-metal servers for the best possible speeds. Surfshark VPN is an ideal solution for small businesses or people with a lot of devices as it offers unlimited simultaneous connections per each account. Surfshark comes with a free CleanWeb feature that blocks malware & phishing attempts and doubles as an ad-blocker. It also offers Kill Switch for protecting sensitive data in case of connection drops, Whitelister (a.k.a. split-tunneling) for allowing apps and sites to bypass the VPN and MultiHop for connecting via multiple servers. On top of that, it’s one of the few VPN providers that completed a successful independent audit and has received a seal of approval from the AV-TEST. Surfshark Search is a privacy-focused search engine that provides organic, ad-free search results.Starting Price: $2.30/month -
6
Kaspersky Anti-Virus
Kaspersky
Blocks the latest viruses, ransomware, spyware, cryptolockers & more – and helps stop cryptocurrency mining malware damaging your PC’s performance. Delivers real-time antivirus protection. Blocks ransomware, cryptolockers & more. Prevents cryptomining malware infections. Lets your PC perform as it’s designed to.Starting Price: $29.99 per year -
7
Avast Business Hub
Avast
The Business Hub is an integrated, cloud-based security platform for businesses and IT service providers to manage all Avast Business solutions deployed in their networks. It provides real-time visibility of threats, comprehensive reporting, and management capabilities, all from a single pane of glass. Formerly known as CloudCare, the Business Hub is an easy-to-use cloud security platform with a refreshing new UI.Starting Price: $36.99 -
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Security Score
OPSWAT
OPSWAT Security Score helps you identify weaknesses in your computer security system and fix security issues that leave you vulnerable to cyber-attacks. 1. Download our free OPSWAT Security Score app and click on it to run. No installation is required! 2. Get Your Security Score and Identify Risks 3. Fix Your Security IssuesStarting Price: $0 -
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Kaspersky Internet Security
Kaspersky
Whatever you do online – on your PC, Mac & Android devices – our advanced, one-license security suite helps protect you from malware, webcam spies, financial scammers & more. - Blocks viruses, cryptolockers, attacks & more - Prevents online trackers collecting your data* - Detects spyware hiding on your Android device - Protects payments, with bank-grade encryption* - Blocks unauthorized access to your webcam* - Encrypts data you send & receive online – VPN**Starting Price: $39.99 per year -
10
Avast Small Business Solutions
Avast Business
Avast Small Business Solutions deliver next-gen endpoint protection for business Windows PCs, Mac, and Windows servers that you can manage anywhere via a web browser. Our robust, easy-to-use security for devices, data, and applications is designed to keep small organizations and their employees safer online. Avast antivirus with multiple layers of security, online privacy, and remote-control features provides powerful cybersecurity controlled via a cloud-based management console. Avast Small Business Solutions are managed via cloud-based management console Avast Business Hub and consist of: * Avast Essential Business Security * Avast Premium Business Security - combines our next-gen antivirus with VPN and USB control) * Avast Ultimate Business Security - award-winning next-gen antivirus with online privacy tools and patch management automation softwareStarting Price: $39.99/device/year -
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Webroot Business Endpoint Protection
OpenText
Webroot Business Endpoint Protection offers advanced, cloud-based security that defends laptops, desktops, servers, and virtual environments against malware, ransomware, phishing, and zero-day threats. It uses real-time machine learning and predictive analytics to monitor and adapt to new threats continuously. The solution provides multi-vector protection, including antivirus, antimalware, and web filtering, through a lightweight agent that installs quickly and runs efficiently without slowing devices. Remote policy management allows IT teams to easily define and enforce security settings across endpoints. Auto-rollback capabilities help restore infected files quickly, minimizing downtime. Designed for MSPs and SMBs, Webroot Endpoint Protection delivers fast deployment and strong protection within seconds.Starting Price: $30 per year -
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ZoneAlarm Extreme Security NextGen
Check Point
ZoneAlarm for Business offers comprehensive, advanced, and flexible solutions for unmanaged businesses such as small businesses, Telco’s, government municipalities, and other businesses with little to no IT resources. With its easy deployment and maintenance, ZoneAlarm for Business offers you Check Point’s vigorous multi-platform protection and support, made simple. ZoneAlarm Extreme Security NextGen is the comprehensive, ultimate PC and mobile security solution for all your business security needs, using Check Point’s cutting-edge enterprise-grade technology. Next-gen antivirus with award-winning Anti-Ransomware, advanced phishing protection, and secure browsing experience. Our advanced cyber security solutions use business-class protection to secure millions of home users’ PCs and mobile devices against the latest worldwide cyber threats. This powerful weapon is extremely effective at spotting malicious files and cyberattacks that evade traditional antiviruses.Starting Price: $44.95 per year -
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SpyShelter
SpyShelter
SpyShelter Anti Keylogger monitors behavior of all currently ongoing actions on your PC and allows you to prevent any action that malware attempts to make. Thanks to our unique technology, SpyShelter is capable of stopping both commercial and custom-made keyloggers, which cannot be detected by any anti-virus software. Since SpyShelter does not rely on any fingerprint database, you will not have to worry about zero-day malware – your registry, RAM and all applications are going to be protected from the moment you install SpyShelter. Compared to other security software, SpyShelter’s fast algorithm processing does not slow your computer down, making it suitable even for older computers. SpyShelter Anti Keylogger provides solid protection in real time against known and unknown “zero-day” spy and monitoring software, for example: keyloggers, screen loggers, webcam loggers, and even advanced financial malware.Starting Price: $25 per year -
14
modus
Vircom
modusCloud gives clients access to an enterprise security technology and infrastructure that is used by some of the world’s largest and most security conscious companies. We combine this with expert knowledge and understanding of the needs that smaller businesses have. Along with our email threat protection, we provide a hosted email security product with a robust filter-rules engine, email continuity with Emergency Inbox, policy-enforced encryption and a cloud-based email archive. All of which is managed in a simple and intuitive user interface. As a cloud-based email security product, the message filtering activities of modusCloud (including detection of suspicious mail) take place at an external data center, protecting users from external threats while being managed by highly specialized personnel. Organizations simply register their mail servers, domains, and users by following an easy setup wizard.Starting Price: $12 per user per month -
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Xeams
Synametrics Technologies
Xeams is, a secure and powerful complete mail server for Windows, Linux, Solaris, MacOSX and other flavors of UNIX. Xeams supports SMTP, POP3, and IMAP. It features a powerful spam filtering engine that eliminates up to 99% of junk email upon installation. The software offers a flexible approach to email, making it a very user-friendly server. Xeams can block 99% percent of all junk messages right out of the box. The filtering rules are fully customizable and get better as Xeams adapts to your email environment. IMAP and POP3 servers built right into the system to easily fetch emails from an email repository to a client's machine. Xeams can be used as an email firewall in front of another server, such as MS Exchange, or as a full email server requiring no other software to process emails. Use Xeams in front of your Office 365 infrastructure to gain additional filtering, reporting and archiving capabilities that you don't get with Office 365 alone.Starting Price: $20.00/year/user -
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Matrix42 EgoSecure Data Protection
Matrix42
Everything runs as before, but securely. All-round protection for all your devices, applications and sensitive company data. Your data remains secure. While digital networking and device diversity offer more flexibility, they also increase the risk of malware, data loss, and theft. Traditional firewall and antivirus protection is no longer enough to close security gaps. With just a mouse-click you get a graphically prepared overview of all data flows in the network and automatically trigger appropriate protective measures. Insight Analysis – determines the overall situation of your company network with regard to data security so that you can derive the optimum protective measures. The analysis results are available to you as a clearly structured dashboard. Conclusions about the activities of individual users are not possible. The reports can be generated automatically and sent by e-mail. -
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AnVir Task Manager Pro
AnVir Software
Windows task manager processes, windows xp slow startup, windows startup programs, Vista tweaks. Control everything running on the computer, remove Trojans, speed up computer. AnVir Task Manager Pro provides convenience by offering all of its features in a single interface. It saves money because users won't have to buy multiple packages to perform a family of related tasks. Terminate processes that can not be terminated via Windows Task Manager. Temperature of CPU, video card, external USB HDD. Download and upload speed, amount of transferred data for network connections. Find locked files and DLL. Log of processes start and stop. Graph of processor, memory and disk activity for each process. Threads, handles, performance counters. Startup manager: manage all programs running on startup including services, Internet Explorer toolbars, Scheduler tasks.Starting Price: $49.95 one-time payment -
18
Intrusta
iSubscribed
We believe digital security should be easy for you. Click, surf, and browse worry-free because we are there to protect you. We are your partner, working to identify, analyze and prevent so you can go about your day as planned. Intrusta’s goal is to make online security simple. Whether it’s using our software, paying your bill, or chatting with a customer service agent, we’ve taken great efforts to make every interaction enjoyable and easy. Gone are the days of shocking price increases and unclear billing practices. We will be upfront about what you pay and when. Come renewal time, you shouldn’t be surprised. We’re perpetual learners with a knack for improvement, and we use our knowledge to ensure our product keeps up with evolving threats as you move through life. We pride ourselves on stellar support. We’re empathetic, reliable and ready to help. Whether it’s technical, product or payment related, you can trust us to find a speedy solution.Starting Price: $24.99 one-time payment -
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LanScope Cat
Interfocus
Your users buy new devices and apps, and access your network from anywhere, at anytime. Manage your IT before it gets out of control. LanScope Cat allows greater visibility into your assets and how users actually use them. User activity monitoring is complex, but LanScope Cat records “who” did “what” “when” on “which device” in one dashboard. If some operational violation that could be an information leak occurs, such as writing a customer list to a USB, a warning is displayed to the user, and the illicit operation is prevented. Monitor your onsite and remote workforce with LanScope Cat. IT devices can typically be hard to manage and secure—and cause a host of problems for IT managers! LanScope Cat is able to lower the overall security risk by providing a solution to the age-old problem; LanScope Cat protects devices, applications, and data, while delivering actionable insights into user behavior. -
20
Ransomware Defender
ShieldApps Software Development
ShieldApps’ Ransomware Defender deals with known ransomware in a way no other solution can. Specially designed for detecting and blocking ransomware prior to any damage, Ransomware Defender blacklists and stops both common and unique ransomware. Once installed, Ransomware Defender stands guard 24/7 utilizing active protection algorithms enhanced with user-friendly alerts and notifications systems. Ransomware Defender is fully automated, taking care of all threats via an advanced Scan > Detect > Lock Down mechanism that proactively stands guard to detected threats, and works alongside all main antiviruses and anti-malware products! Ransomware Defender also features a scheduled automatic scan, secured file eraser, lifetime updates and support! Detects and removes any known ransomware before it can take action and harm your PC. The program will deep-scan your device and find hidden ransomware in both high and low-level folders.Starting Price: $49.99 one-time payment -
21
iPrism Web Security
EdgeWave
iPrism Web Security offers a unique combination of fine-grained content filtering combined with threat detection and mitigation methods to assure powerful protection from Advanced Persistent Threats, including botnets, malware, viruses and others. iPrism Web Security is designed to be “set it and forget it” easy to use, self-contained to provide advanced threat protection and policy enforcement, yet require nearly zero maintenance. And our comprehensive on-box reporting makes managing your network a snap. iPrism uses our unique combination of iGuard automated intelligence and expert human analysis to block things like malware, Crypto-Locker and inappropriate sites. It also provides improved user productivity with low latency and false positive rates. This innovative approach ensures you have the most updated, advanced web protection 24/7 that is backed by world-class customer support. -
22
Trust Lockdown
White Cloud Security
Because we focus on what you trust and want to run on your endpoints, we stop all unknowns by default. So unknown items such as new ransomware variants, advanced attacks, and zero-day exploits are stopped first by Trust Lockdown. Get out of the ‘Break-Fix’ cycle that is eating your time and budget. We also eliminate the need to be patching your apps every day. With Trust Lockdown, you can do your application patches on a regular planned basis instead of urgent need basis, again giving you back your time and budget to be more productive. Our protection also works when your device is offline! Whether you choose our cloud or appliance based service, our endpoint protection delivers the same protection when offline or disconnected from the network. An essential feature in today’s on-the-go environment and use of portable devices. -
23
G DATA
G Data Software
G DATA prepares you optimally for cyber threats and opens up all possibilities for you in the digital future. G DATA developed the world’s first antivirus software in 1987. Today, we defend our customers against all kinds of cybercrime with end-to-end solutions and services using the most advanced security software and AI technologies and even offering online security awareness training to teach safe behavior to employees. G DATA customer support is available 24/7/365, with support teams and the G DATA SecurityLab working hand-in-hand at the same location. Independent tests prove that G DATA IT security solutions provide best attack detection rates for effectively combating Trojans, malware and even unknown viruses. -
24
Fortres 101
Fortres Grand
The desktop and file lockdown security of Fortres 101 restricts access to any aspect of Windows operation. Affordable, effortless, powerful. Fortres 101 restricts downloads and software installations, including viruses & malware. Fortres 101 offers you the ability to restrict/block local hard drives and removable media drives as well as any local file, folder, or application. Central Control is the complete administration tool for Fortres 101. With Central Control, you can easily configure and manage Fortres 101 from one configuration screen anywhere on the network. Fortres 101 offers you the ability to restrict/block local hard drives and removable media drives as well as any local file, folder, or application. Central Control is the complete administration tool for Fortres 101. With Central Control, you can easily configure and manage Fortres 101 from one configuration screen anywhere on the network. -
25
Panda Fusion
WatchGuard Technologies
Fusion combines our Systems Management and Endpoint Protection Plus solutions to protect, manage and support all of your corporate devices. Our Cloud-delivered solution allows a rapid deployment without needing maintenance or costly investments in server infrastructure. Complete your endpoint security solution with a wide range of IT & endpoint security operations products and modules that will allow you to minimize the attack surface and reduce risk of incidents. Identify and block malicious behaviors or noncompliant activity, manage your vulnerabilities, deploy patches and updates, encrypt your data, and manage your corporate systems and endpoints. Everything you need is included in a single platform from WatchGuard. -
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VMRay
VMRay
At VMRay, we provide enterprises and technology partners worldwide with best-in-class, scalable, automated malware analysis and detection solutions that greatly reduce their exposure to malware-related threats, attacks and vulnerabilities. -
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TACHYON Endpoint Security 5.0
INCA Internet
Advanced anti-virus solution that blocks cyber threats such as malware, spyware, ransomware, etc. Safely protect user system and important information with improved real-time monitoring and protection features.Starting Price: $37/Year/User -
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SentryBay Armored Client
SentryBay
The missing piece in the security stack jigsaw, easily downloaded in one-click to complete your armored shield against cyberattacks. The Armored Client provides real time patented protection to applications and data without needing to detect and respond to threats. It does this by using kernel level prevention of data exfiltration, even if threats exist, combined with the secure wrapping of applications and injected security. The Armored Client takes a layered approach to protecting endpoint devices being used remotely to access your applications and data and to support secure online browsing. Whether your employees are using unmanaged, BYOD or managed endpoint devices, all your corporate apps are targeted on the endpoint and run in a secure session. -
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Clearswift Secure Email Gateway (SEG) provides uniquely powerful protection of an organization's email data against inbound cyber-attacks and outbound data loss prevention. As the number one method of communication for most organizations, email has become one of the top sources for cybercriminals to infiltrate your systems and take hold of your critical data. Our Secure Email Gateway protects against known and unknown malware but also advanced threats including phishing. IT teams need to ensure that information being shared across email both in and out of the organization is not only secure, but appropriate and compliant. Clearswift’s unparalleled level of inspection and granular policy controls apply the optimal security treatment to your emails in real time so your communications remain safe and flowing, and business disruptions are minimized.
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