Best Free Computer Security Software

Protecting your digital assets is essential in today’s interconnected world, and Free Computer Security Software offers a reliable way to safeguard your systems without breaking the bank. This software encompasses a range of tools designed to defend against viruses, malware, ransomware, and other cyber threats, ensuring your computers remain secure and your data stays intact. By utilizing computer security software, businesses can maintain the integrity of their operations, prevent data breaches, and protect sensitive information from unauthorized access. For organizations looking to implement security for computers for free, these solutions provide robust features such as real-time threat detection, automatic updates, and comprehensive scanning capabilities. Additionally, best small business computer security software options are tailored to meet the unique needs of smaller enterprises, offering user-friendly interfaces and efficient protection without the complexity or cost of enterprise-level systems. Embrace the power of free computer security software to enhance your cybersecurity measures and ensure a safe digital environment for your business. Explore our curated selection to find the perfect tools that deliver top-notch protection while keeping your budget intact.

Note: Most of the products listed in this free computer security software category offer free trial versions, though they have restrictions like time limits, fixed number of users, or limited features. For more options and features, compare and evaluate all-time computer security software to find the best fit for you.

Last Updated: October 01, 2025

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212 Software

Popular Picks in Computer Security Software

Avast Ultimate Business Security

Avast Ultimate Business Security

$48.33 Per year

AVG AntiVirus Business Edition

AVG AntiVirus Business Edition

Contact Vendor

Avira Antivirus Pro

Avira Antivirus Pro

$29 Per feautre

Bitdefender Antivirus Plus

Bitdefender Antivirus Plus

$1.25 Per user

List of Top Free Computer Security Software

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FortMesa is a cybersecurity software designed to help businesses protect digital assets and improve their overall security posture. With FortMesa, companies can identify, assess, and mitigate security vulnerabilities across their IT infrastructure. The software’s threat intelligence and real-time monitoring features allow for early detection of potential threats, reducing the risk of data breach... Read more about FortMesa

Free Trial

Available

Pricing Type

$20 Per month

Location

United States

GateKeeper Enterprise is a computer security software designed to protect systems by automating user authentication and access control. Using wireless proximity technology, GateKeeper Enterprise allows users to securely log into their computers without passwords by detecting the presence of a physical key or mobile device. This eliminates password fatigue and enhances security by preventing unauth... Read more about GateKeeper Enterprise

Free Trial

Available

Pricing Type

$3 Per user

Location

United States

Beyond DLP is a managed service provider (MSP) software that helps businesses safeguard their data and protect sensitive information. The software provides a comprehensive set of data loss prevention (DLP) tools that monitor and control data movement across various devices and networks. Beyond DLP helps businesses detect and prevent data breaches by identifying potential threats and automatically ... Read more about Beyond DLP

Free Trial

Available

Pricing Type

$60 Per user

Location

Israel

CySight is a comprehensive network monitoring and analytics solution designed to provide deep visibility into network performance, security, and utilization. Leveraging advanced flow technologies such as NetFlow, IPFIX, and sFlow, it collects detailed metadata from network traffic, enabling real-time and historical analysis of network behavior. CySight offers intuitive dashboards, customizable ale... Read more about CySight

Free Trial

Available

Pricing Type

$299 Per month

Location

Israel

JupiterOne is a cutting-edge compliance software solution designed to help organizations manage and secure their IT infrastructure with ease and precision. The platform offers a comprehensive suite of tools for automating compliance checks, monitoring security policies, and ensuring adherence to industry standards and regulatory requirements. JupiterOne’s intuitive interface provides real-time v... Read more about JupiterOne

Free Trial

Available

Pricing Type

$500 Per month

Location

United States

AdsPower is a computer security software designed to provide a secure and private browsing experience for businesses, particularly those involved in digital marketing, e-commerce, and online advertising. The software focuses on managing multiple online accounts and identities safely, without the risk of detection or account bans. AdsPower allows users to securely automate tasks such as account cre... Read more about AdsPower

Free Trial

Available

Pricing Type

Contact Vendor

Location

NA

SYSVOOT Antivirus Pro is a state-of-the-art cybersecurity software designed to protect your digital assets from a wide range of threats. It offers comprehensive protection against malware, ransomware, spyware, and other malicious software, ensuring your systems remain secure and operational. SYSVOOT Antivirus Pro features real-time scanning and automatic updates, providing continuous defense again... Read more about SYSVOOT Antivirus Pro

Free Trial

Available

Pricing Type

$29.99 Per user

Location

United States

Blacklock is a comprehensive cybersecurity software designed to protect businesses from a wide range of cyber threats. With real-time monitoring, threat detection, and automated response capabilities, Blacklock helps prevent data breaches, malware attacks, and other security incidents. The software uses advanced algorithms and machine learning to identify and mitigate potential vulnerabilities, en... Read more about Blacklock

Free Trial

Available

Pricing Type

$149 Per month

Location

New Zealand

Predictive is an advanced vulnerability management software designed to help organizations proactively identify, assess, and mitigate security risks in their IT systems. The platform uses AI and machine learning algorithms to scan for potential vulnerabilities in software, networks, and infrastructure, providing real-time alerts to security teams. Predictive automatically prioritizes vulnerabiliti... Read more about Predictive

Free Trial

Available

Pricing Type

$50 Per month

Location

Ireland

Windscribe is a reliable VPN software designed to provide users with secure and private internet access. This platform offers robust encryption features, ensuring that online activities remain confidential and protected from prying eyes. With Windscribe, users can browse the web anonymously, access georestricted content, and protect their data on public WiFi networks. The software features an easy... Read more about Windscribe

Free Trial

Available

Pricing Type

$49 Per year

Location

Canada

Condignum is an innovative business intelligence software designed to help organizations transform data into actionable insights. This platform provides tools for data visualization, reporting, and analytics, enabling businesses to analyze performance metrics and make informed decisions. Condignum features an intuitive dashboard that allows users to create custom reports and visualizations, making... Read more about condignum

Free Trial

Available

Pricing Type

$950 Per user

Location

Austria

CWIS Antivirus Scanner is a powerful computer security software designed to protect systems from malware, viruses, and other cyber threats. This platform employs advanced scanning algorithms to detect and eliminate potential risks, ensuring the safety of user data and devices. CWIS Antivirus Scanner offers realtime protection, continuously monitoring system activity to identify suspicious behavior... Read more about CWIS Antivirus Scanner

Free Trial

Available

Pricing Type

$6.9 Per month

Location

Israel

LanScope Cat is an IT asset management software that helps organizations manage and secure their computing assets. This comprehensive tool provides capabilities for tracking hardware and software inventory, monitoring device usage, and enforcing security policies. LanScope Cat includes features for device and application control, ensuring that only authorized software is installed and that sensiti... Read more about LanScope Cat

Free Trial

Available

Pricing Type

Contact Vendor

Location

United States

Trustifier KSE is a comprehensive computer security software designed to protect organizations from cyber threats and data breaches. This platform offers a multi-layered security approach, including antivirus, firewall, and intrusion detection systems to safeguard sensitive information. Trustifier KSE continuously monitors network activity, identifying potential vulnerabilities and providing real-... Read more about Trustifier KSE

Free Trial

Available

Pricing Type

$700 Per user

Location

United States

Sealit is an email security software designed to protect businesses from phishing, malware, and other email-based threats. The platform offers advanced encryption, anti-spam filters, and real-time threat detection, ensuring that sensitive email communications are secure. Sealit also provides features for email tracking, authentication, and compliance, helping businesses protect both their data and... Read more about Sealit

Free Trial

Available

Pricing Type

$10 Per user

Location

United Kingdom

Wiperapp is an advanced data governance software designed to help businesses ensure data accuracy, compliance, and security. The platform offers tools to manage data quality, establish data policies, and monitor data usage across organizations. Wiperapp helps businesses comply with regulations like GDPR, HIPAA, and CCPA by providing features such as automated data audits, consent management, and r... Read more about Wiperapp

Free Trial

Available

Pricing Type

$5 Per one-time

Location

Poland

CyLock EVA is a powerful cybersecurity software that provides organizations with real-time protection against a wide range of cyber threats, including malware, ransomware, phishing, and unauthorized access attempts. The platform uses advanced machine learning and artificial intelligence to detect and respond to threats faster than traditional security systems. CyLock EVA offers features such as en... Read more about CyLock EVA

Free Trial

Available

Pricing Type

$29 Per month

Location

Italy

World First Visual AI Based Malware Detection

INLYSE Malware.AI is an advanced antivirus software powered by artificial intelligence (AI) to protect devices from malware, viruses, and other cyber threats. The software uses machine learning algorithms to detect and block threats in real-time, offering proactive protection against known and unknown malware. INLYSE Malware.AI continuously monitors network activity, analyzing files, emails, and w... Read more about INLYSE Malware.AI

Free Trial

Available

Pricing Type

$2.5 Per user

Location

Germany

Siwenoid is a cutting-edge computer security software solution designed to protect organizations from evolving cyber threats. With its comprehensive suite of security features, Siwenoid provides real-time monitoring, malware detection, and threat analysis to safeguard sensitive data and systems. The software employs advanced algorithms and machine learning technologies to identify vulnerabilities ... Read more about Siwenoid

Free Trial

Available

Pricing Type

Contact Vendor

Location

Hungary

Bodi is an innovative computer security software designed to protect organizations from a wide range of cyber threats. This platform offers comprehensive security solutions, including malware detection, firewall protection, and real-time monitoring of network activity. With Bodi, users can safeguard their sensitive data and systems against unauthorized access and potential breaches. The software f... Read more about Bodi

Free Trial

Available

Pricing Type

$20 Per month

Location

United States

CyberByte Antivirus is a robust computer security software designed to protect devices from malware, viruses, and other cyber threats. This platform provides comprehensive protection by employing advanced algorithms to detect and neutralize threats in real time. With CyberByte, users can safeguard their personal and professional data, ensuring that sensitive information remains secure. The softwar... Read more about CyberByte Antivirus

Free Trial

NA

Pricing Type

Contact Vendor

Location

Romania

iSafeSend is a robust computer security software solution designed to protect sensitive information during file sharing. With increasing concerns about data breaches and cyber threats, iSafeSend offers a secure method for sending files, ensuring that sensitive data is encrypted and remains confidential. The software integrates seamlessly with various email platforms, allowing users to send large f... Read more about iSafeSend

Free Trial

Available

Pricing Type

$0.01 Per feautre

Location

Canada

ASPIA is a cutting-edge cybersecurity software designed to protect businesses from evolving cyber threats. The platform provides comprehensive security features that monitor, detect, and mitigate various types of cyberattacks, including malware, ransomware, phishing, and unauthorized access attempts. ASPIA leverages advanced artificial intelligence (AI) and machine learning algorithms to detect po... Read more about ASPIA

Free Trial

Available

Pricing Type

$1000 Per year

Location

India

Unified inventory, security and compliance for the next stage of Enterprise IT operations

Versio.io is a robust quality management software designed to streamline processes and ensure high standards across various business functions. The platform offers tools for tracking quality metrics, managing audits, and handling non-conformance issues, helping organizations maintain consistent product quality and regulatory compliance. Versio.io’s intuitive interface allows users to create cust... Read more about Versio.io

Free Trial

30 Days

Pricing Type

$1 Per month

Location

Germany

GoodAccess is a VPN software solution designed to provide secure and reliable access to company networks for remote employees, contractors, and other users. The platform offers a simple, yet powerful way to protect sensitive data while ensuring secure communication across the internet. GoodAccess allows businesses to create a secure virtual private network that encrypts online traffic, ensuring th... Read more about GoodAccess

Free Trial

Available

Pricing Type

Contact Vendor

Location

NA

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