Cirrus supports all supported modern "Evergreen Browsers": Chrome, Firefox, Edge, and Safari, as well as Safe Exam Browser. This applies to any vendor-supported operating system with a screen large enough to display Cirrus without scrolling. Evergreen Browser vendors support only the latest version of their browser.
Software requirements
Under the GDPR, it is the responsibility of the customer to ensure that all its users access the Cirrus Platform using supported software with security updates applied.
| Browser | Version | Auto-Update | Cirrus Support Policy |
|---|---|---|---|
| Chrome | Latest | Yes | Any version supported by Google |
| Safari on MacOS | Latest | Yes | Any version supported by Apple |
| Edge | Latest | Yes | Any version supported by Microsoft |
| Firefox | Latest | Yes | Any version supported by Mozilla |
| Safe Exam Browser for Windows (SEB) | Minimum 3.9 | No | Cirrus supports SEB version 3.9 and higher for Windows |
Note: JavaScript must be enabled.
The Proctoring add-on and Proctoring partners support only Chromium-based browsers: Chrome and Edge.
Cirrus offers candidates a browser check on the introduction page of their exam.
| Operating System | Version | Auto-Update | Support Policy |
|---|---|---|---|
| Windows | 10, 11 | Yes | Any version supported by Microsoft |
| MacOS | 14+ Sonoma | Yes | Any version supported by Apple |
Hardware requirements
| Hardware | Minimum | Remarks |
|---|---|---|
| Screen resolution | 1440x900 | Required for usability |
| Processor (CPU) | 1.5GHz | Recommended for usability |
| Memory (RAM) | 3 GB | Recommended for usability |
| Free Disk Space | 250 MB | Recommended for usability; required for Proctoring |
The Proctoring add-on and Proctoring partners additionally require a microphone and webcam. For Proctorio system requirements, see the Proctorio requirements page.
Network requirements
| Network | Minimum | Support Policy |
|---|---|---|
| Average Internet Speed | 1 MBps per candidate | Required for usability |
| Availability | At start and end of exam | Cirrus supports offline periods so the candidate can continue while offline. |
| HTTPS | Port 443 open for TLS 1.2+ | Required for security. Note: TLS 1.2 and RSA are deprecated (AWS Test). |
If your exams use audio and (HD) video, allow additional bandwidth based on your content.
Security and integrity requirements
Cirrus has many security features built in, such as PIN codes to start an assessment, randomised answer options, and Blueprint-based question selection.
For additional security and integrity, Cirrus offers an Online Proctoring add-on and integrates with Proctoring partners providing live and automated proctoring. A low-cost option for controlled environments is the open-source Safe Exam Browser.