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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Bravura Identity is a robust identity management software designed to help organizations effectively manage user identities and access rights across their systems. This platform streamlines the process of onboarding and offboarding employees, ensuring that access permissions are updated in real-time to enhance security. Bravura Identity allows organizations to define roles and policies, enabling a... Read more about Bravura Identity

Free Trial

Available

Pricing Type

$0.01 Per month

Location

Canada

Bravura Pass is a password management software designed to enhance security and streamline access management for organizations. It offers a centralized platform for storing, sharing, and managing passwords, ensuring that sensitive information is protected and accessible only to authorized users. The software supports secure password sharing, role-based access controls, and audit trails, facilitati... Read more about Bravura Pass

Free Trial

Available

Pricing Type

$0.01 Per year

Location

Canada

Holm Security VMP (Vulnerability Management Platform) is a software solution designed to help organizations detect, assess, and manage cybersecurity vulnerabilities. The platform provides tools for scanning networks, identifying potential threats, and prioritizing remediation efforts to protect against data breaches. Holm Security VMP’s real-time monitoring and threat intelligence capabilities e... Read more about Holm Security VMP

Free Trial

Available

Pricing Type

$1000 Per feautre

Location

Sweden

EndPoint Privilege Manager is a privileged access management (PAM) solution designed to secure and control privileged access on endpoints within an organization's network. This software helps IT teams manage and protect critical systems, applications, and data by enforcing strict access policies for users with elevated privileges. EndPoint Privilege Manager allows businesses to grant users tempora... Read more about EndPoint Privilege Manager

Free Trial

Available

Pricing Type

Contact Vendor

Location

United States

UnderDefense MAXI is an advanced cybersecurity software designed to protect businesses from evolving cyber threats. With a focus on real-time threat detection, prevention, and response, UnderDefense MAXI helps safeguard sensitive data and systems from malicious attacks, including malware, ransomware, and phishing. The platform uses AI-driven algorithms and machine learning to identify and neutrali... Read more about UnderDefense MAXI

Free Trial

Available

Pricing Type

Contact Vendor

Location

United States

System Mechanic is a powerful computer security software designed to optimize system performance and protect against potential security threats. This software includes features such as malware removal, real-time threat monitoring, privacy protection, and automatic system cleanup. System Mechanic scans for and eliminates unwanted files, registry errors, and potential vulnerabilities that could slow... Read more about System Mechanic

Free Trial

Available

Pricing Type

$39.96 Per one-time

Location

United States

heylogin is an advanced password management software that helps individuals and businesses securely store and manage their passwords. Designed to improve security and simplify password management, heylogin eliminates the need for users to remember multiple complex passwords. It stores all login credentials securely, using encryption to protect sensitive data. heylogin features a user-friendly inte... Read more about heylogin

Free Trial

Available

Pricing Type

$0 Per user

Location

Germany

Risk Assistant is an advanced cybersecurity software designed to help organizations manage and mitigate cybersecurity risks effectively. The platform provides tools for risk assessment, incident response, and compliance management, ensuring that businesses can protect their digital assets and sensitive information. With its user-friendly interface, Risk Assistant allows users to conduct vulnerabil... Read more about Risk Assistant

Free Trial

Available

Pricing Type

$995 Per feautre

Location

United States

CloudJacketXi is a robust network monitoring software designed to help organizations manage and optimize their IT infrastructure effectively. The platform provides real-time visibility into network performance, enabling IT teams to monitor device status, bandwidth usage, and potential security threats. With CloudJacketXi, users can set up automated alerts for unusual activity, ensuring proactive m... Read more about CloudJacketXi

Free Trial

Available

Pricing Type

$10 Per user

Location

United States

LiveEnsure is an advanced computer security software designed to help organizations protect their sensitive information from cyber threats. The platform provides comprehensive tools for monitoring network activity, detecting vulnerabilities, and ensuring compliance with security standards. With its user-friendly interface, users can easily manage security protocols, track incidents, and generate r... Read more about LiveEnsure

Free Trial

NA

Pricing Type

Contact Vendor

Location

United States

walt.id is a robust digital signature software that provides businesses with a secure and scalable identity infrastructure. This platform enables organizations to sign, verify, and manage digital transactions and documents seamlessly. With walt.id, businesses can ensure that sensitive data is signed with tamper-proof signatures, improving both security and compliance. The software supports advance... Read more about walt.id Identity Infrastructure

Free Trial

NA

Pricing Type

Contact Vendor

Location

Austria

RitaVPN is a network security software designed to provide users with a safe and private browsing experience. By encrypting internet traffic, RitaVPN safeguards personal data and ensures online anonymity, protecting users from hackers and unauthorized tracking. The software allows access to global servers, enabling users to bypass geographic restrictions and enjoy unrestricted browsing. With a use... Read more about RitaVPN

Free Trial

Available

Pricing Type

$5.42 Per month

Location

NA

BlueFiles is a powerful file sharing software designed to help businesses securely store, share, and collaborate on files online. The platform offers comprehensive tools for file organization, access control, and version management, enabling users to manage their documents effectively. With BlueFiles, users can easily upload files, create shared folders, and set permissions for team members, ensur... Read more about BlueFiles

Free Trial

Available

Pricing Type

Contact Vendor

Location

France

All-in-One Cybersecurity Attack & defense in one platform

Enginsight is an advanced network monitoring software designed to provide real-time visibility and control over your IT infrastructure. With its comprehensive dashboard, users can monitor network performance, track device status, and detect anomalies proactively. Enginsight supports a wide range of devices and applications, enabling seamless integration into existing IT environments. The software ... Read more about Enginsight

Free Trial

Available

Pricing Type

$8.91 Per month

Location

Germany

RedShield is an advanced cybersecurity software solution designed to protect organizations from online threats and vulnerabilities. This platform provides comprehensive security features, including web application firewalls, DDoS protection, and bot mitigation, ensuring that businesses can safeguard their digital assets effectively. RedShield’s proactive approach to cybersecurity includes real-t... Read more about RedShield

Free Trial

Available

Pricing Type

Contact Vendor

Location

Australia

Kloudle is a cloud security software platform designed to protect businesses from the growing threats associated with cloud-based environments. As more businesses move to the cloud, the risk of data breaches, unauthorized access, and other security vulnerabilities increases. Kloudle addresses these concerns by offering comprehensive cloud security solutions that ensure sensitive data is protected,... Read more about Kloudle

Free Trial

Available

Pricing Type

$300 Per month

Location

United States

Conecta Suite is an email signature management software designed to help businesses create, manage, and enforce consistent email signatures across their organization. With Conecta Suite, businesses can design branded email signatures that align with their corporate identity, ensuring uniformity and professionalism in all communications. The platform allows for easy customization, with the option t... Read more about Conecta Suite

Free Trial

Available

Pricing Type

$8.5 Per user

Location

Brazil

AwareGO is an innovative risk management software designed to help businesses proactively manage and mitigate security risks. The platform focuses on educating employees and creating a security-conscious culture through engaging training programs. AwareGO provides interactive, gamified content that helps users understand various cybersecurity threats, including phishing, malware, and data breaches... Read more about AwareGO

Free Trial

Available

Pricing Type

$1.4 Per user

Location

Iceland

AI-powered GRC built for business, government, advisors and managed service providers.

6clicks is a cutting-edge risk and compliance software designed to simplify and enhance the governance processes in organizations. Its key feature is the AI-powered risk and compliance engine, which streamlines the identification and management of risks. The platform offers a comprehensive suite of tools for risk assessment, compliance management, and policy governance, making it a one-stop soluti... Read more about 6clicks

Free Trial

14 Days

Pricing Type

Contact Vendor

Location

Australia

SecuBox for Pocket PC is an advanced computer security software that ensures the protection of sensitive information on mobile devices. Designed specifically for Pocket PC users, it provides robust encryption capabilities to secure files, emails, and personal data against unauthorized access. The software features user-friendly interfaces for easy management of security settings, allowing users to... Read more about SecuBox for Pocket PC

Free Trial

Available

Pricing Type

$149 Per one-time

Location

United Kingdom

SecureCircle is a sophisticated computer security software designed to protect sensitive data by enforcing encryption policies and access controls. This platform secures data throughout its lifecycle, whether at rest, in transit, or in use, ensuring that only authorized users have access to sensitive information. SecureCircle’s transparent encryption process is designed to integrate seamlessly w... Read more about SecureCircle

Free Trial

Available

Pricing Type

$1 Per feautre

Location

United States

Dhound is an advanced network security software designed to help organizations protect their networks from threats and vulnerabilities. This comprehensive platform offers a suite of tools that facilitate threat detection, intrusion prevention, and vulnerability management, ensuring businesses can maintain a secure network environment. Dhound’s user-friendly interface allows network administrator... Read more about Dhound

Free Trial

Available

Pricing Type

$35 Per feautre

Location

United Kingdom

CODA Footprint is an advanced cloud security software designed to help businesses protect their cloud-based applications and data from potential threats. The platform provides continuous monitoring of cloud environments, identifying vulnerabilities, security gaps, and compliance risks. CODA Footprint uses machine learning and AI to detect abnormal activities, such as unauthorized access attempts o... Read more about CODA Footprint

Free Trial

Available

Pricing Type

Contact Vendor

Location

Romania

Trust Lockdown is a comprehensive computer security software solution designed to protect organizations from a wide range of cyber threats. The platform offers advanced features such as endpoint protection, malware detection, and real-time threat monitoring to safeguard sensitive data and systems. Trust Lockdown employs multi-layered security protocols to ensure that all endpoints are secure, mini... Read more about Trust Lockdown

Free Trial

Available

Pricing Type

Contact Vendor

Location

United States

Syspeace is a network security software designed to protect Windows servers from brute force attacks and unauthorized access. This tool provides real-time monitoring and automatically blocks harmful IP addresses that exhibit suspicious behavior. Syspeace uses a global blacklist of known attackers and a local database that dynamically adapts based on traffic patterns to ensure comprehensive protect... Read more about Syspeace

Free Trial

Available

Pricing Type

Contact Vendor

Location

Sweden

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