No. 5 of 22 ·Lockdown Browser Software

Prometric Secure Proprietary Browser

Web · Windows · Mac

Freedom report

Two barsScore 5.6

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Prometric Secure Proprietary Browser is ranked #5 of 22 in lockdown browser software on Freedom251. It runs on macOS, Web, Windows.

Compared on lockdown browser software

Supported platforms: Windows, macOS
Blocks app switching: Yes
Blocks copy and printing: Yes

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The record

Purpose: Prometric’s proprietary browser supports secure remote testing and restricts non-essential functions.
Lockdown: The browser can prevent screen printing, copying or pasting, and exiting the secure exam desktop; it also controls access to services such as email, instant messaging, and desktop sharing.
Exam monitoring: ProProctor uses facial recognition and technology-assisted monitoring to flag possible identity changes, multiple faces, or a candidate leaving the screen.
Exam options: Prometric lists automated AI proctoring, AI proctoring with professional review, and live proctoring options for remote delivery.
Current delivery modes: The ProProctor AI and ProProctor Live options use a desktop application, while ProProctor AI + Pop In is launched as a web application from the Candidate Portal.
Supported systems: The user guide lists Windows 8.1 or higher and specified macOS versions from Monterey 12 onward as supported.
Unsupported systems: The guide lists Chrome OS, Linux distributions, and virtual machines as unsupported.
Web browser requirements: For ProProctor AI + Pop In web exams, the guide lists Chrome 96 or higher and Edge 96 or higher, with camera and microphone access required.
Device limits: The guide says exams require a laptop or desktop; mobile phones and iPad or Android tablets cannot be used to take the exam.
Network requirements: The guide specifies at least 5.0 Mbps download and 0.5 Mbps upload speed.
Support: Prometric lists real-time support for ProProctor AI and AI+ and enhanced real-time support for ProProctor Live.
Who it is for: Prometric presents remote delivery to organizations that want candidates to take exams remotely, with proctoring options selected to meet their needs.
Proctoring options: Prometric offers remote proctoring options ranging from automated AI proctoring to live proctors with AI support.
Automated proctoring: ProProctor AI includes AI candidate authentication, AI environmental and person security checks, automated proctoring, flagged-violation review, reporting and analytics, and real-time support.

Where it ranks on Freedom251

Best Lockdown Browser Software in 2026#5 of 22

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Sources

prometric.com/remote-delivery/· checked 3 Oct 2026
prometric.com/blog/combating-proxy-testing-in-the-dig· checked 3 Oct 2026
prometric.com/files/ProProctor/ProProctorUserGuide.pd· checked 3 Oct 2026
prometric.com/files/ProProctor/ProProctorUserGuide.pd· checked 4 Oct 2026