Compare the Top Free USB Security Software as of November 2025

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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    Safetica

    Safetica

    Safetica

    Safetica’s Intelligent Data Security protects sensitive data where teams work, using powerful AI to deliver contextual awareness, reduce false positives, and stop real threats without disrupting productivity. With Safetica, security teams can maintain visibility and control over sensitive data, stay ahead of insider risks, maintain compliance, and secure sensitive cloud-based data. ✔️ Data Protection: Classify, monitor and control sensitive data across devices and clouds in real time. ✔️ Insider Risk and User Behavior: Spot risky behavior, detect intent, and stop insider threats to stay ahead of the careless handling of sensitive data, compromised user accounts and malicious user activity. ✔️ Compliance and Data Discovery: Prove compliance with audit-ready reporting for data in use, in motion, and at rest. ✔️ Cloud Security: Protect Microsoft 365, cloud, and file-sharing platforms to secure sensitive cloud-based data.
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  • 2
    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
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    SysTools USB Blocker Software
    SysTools USB Port Blocker Software allows blocking and unblocking USB ports of users' computers. This software is able to disable and enable all USB ports from any system. USB Port Locker software free download on any version of Windows operating system. Option to recover lost user password using the email address. Need to set a new password for USB ports blocking & unblocking. Need to re-login into the user machine to block USB ports. USB Lock tool serves a very important function of blocking USB ports that restricts unwanted users from using USB devices on them like; pen drives, flash drives, USB drives, etc. Also, no data extract can be carried out from the machine in your absence. It is possible to block all USB ports present on the machine at once by using USB blocker software.
    Starting Price: $29 per month
  • 4
    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
  • 5
    KakaSoft USB Security
    Protect your files automatically after the USB disk plugs into a PC. Enjoy protection anytime and anyplace without installation. Lock and unlock USB drives on any computer without installation. USB Disk Security well protects your sensitive information in USB drives with the strongest encryption technique. Lock, encrypt, password password-protect USB flash drives, thumb drives, pen drives, memory sticks, and other portable storage devices. This USB disk security program ensures comprehensive data security of your confidential data on your USB flash drives. Ensure data security in USB flash drives with multiple layers of protection and advanced encryption techniques. Password protects all types of external USB storage devices. Lock data in a USB disk in 3 simple steps. You can access the protection of USB Security freely on any computer without installing it again. You can ensure data security in a USB drive and access confidential documents as soon as they are plugged in.
    Starting Price: $14.95 per month
  • 6
    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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