Compare the Top Free USB Security Software as of October 2026

What is Free USB Security Software?

USB security software is a type of application designed to protect against malicious USB attacks. It can help keep your data safe by monitoring your USB ports for any unauthorized activity and preventing the transfer of any potentially dangerous files from unsecured flash drives. This software comes with various levels of protection, such as encryption, anti-malware scans, and real-time alerts. In addition, it can also provide you with an audit trail that tracks all activities associated with your USB ports. Lastly, these applications are simple to install and use yet can be highly effective in keeping your data secure against malicious attacks. Compare and read user reviews of the best Free USB Security software currently available using the table below. This list is updated regularly.

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    eAuditor Cloud

    eAuditor Cloud

    BTC Sp. z o.o.

    eAuditor Cloud is a comprehensive SaaS platform for IT asset management, monitoring, security, and data protection. With more than 20 years of experience in corporate and public sector environments, it combines proven functionality with the accessibility and scalability of the cloud. The system provides full visibility and control over the infrastructure - from automatic inventory of computers, servers, operating systems, and software to continuous monitoring of users, devices, and network activity. Advanced modules include remote management, patch installation, BitLocker encryption, SOC dashboard, and task automation. A professional DLP engine protects sensitive data in use, at rest, and in transit through classification, rules, and policies. AI support for CMD/PowerShell and ChatGPT integration help administrators save time and eliminate repetitive tasks. eAuditor Cloud grows with your business - from a free version for up to 100 devices to advanced enterprise-grade packages.
    Starting Price: 0,4 € / mo./ per 1 PC
  • 2
    USB Block

    USB Block

    NewSoftwares

    Prevent data leaks by restricting USB drives, external devices, network computers, and ports on your PC. Whitelist your own portable drives and block all others. USB Block prevents data leaks through devices like USB drives, phones, tablets, and other devices that are attached to your PC. It even prevents certain ports and partitions from accessing. You can whitelist trusted devices. This way you can copy data to your own USB, External drives, your iPhone or Android phone but block other such devices from accessing your PC. This feature helps you check whether someone has tried to hack into USB Block by using incorrect passwords All incorrect passwords will be logged to monitor any suspicious activity. Lock and password protect your data from unwanted access and visibility by blocking access to the files, folders, drives, and programs. Windows kernel-level locking and filter driver makes it possible to lock files and folders in Windows.
    Starting Price: Free
  • 3
    ManageEngine Device Control Plus
    Device Control Plus is an enterprise software, specially designed for complete device control and file access management. It is equipped with an intuitive interface using which the admin can efficiently classify USB and other peripheral devices as trusted, blocked or allowed temporary access. It is also equipped with numerous data security capabilities including assigning read-only file access, restricting file copying or blocking unauthorized file transfers. Additionally for extensive visibility over device actions and forensic analysis of policy efficacy and network performance, file tracing and file shadowing reports will be automatically generated. Know who is using what device on which endpoint with clear-cut audit data and reports, and receive instant alerts in case of unauthorized access.
    Starting Price: $5.95 per user per year
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