Download Karst Reporter
Version 0.2.1. Report suspicious email or links, then open their sandbox analysis in your browser. Suspicious destinations execute remotely.
Thunderbird
For Thunderbird 128 or newer. Open Add-ons Manager, select the gear menu, choose “Install Add-on From File” and select this XPI.
Download Thunderbird add-onGmail in Chrome or Edge
Download and unzip this package. Open your browser’s Extensions page, enable Developer mode, choose “Load unpacked” and select the extracted folder. Open Gmail and pin Karst to the toolbar.
Download Gmail browser extensionThese packages connect to https://karst.obsidiancorps.com. Saving a Link does not visit its destination; sandbox visits require a separate action and consent.