Show warning when you want to open suspicious links to prevent IDN homograph attacks

[ovalseven8]

Expected Behavior

The app version 3.7 for Android introduced a security warning to prevent IDN homograph attacks for suspicious links. The warning should be shown on all Threema platforms (so, also iOS app and Threema Web) to make the warning more effective.

Current Behavior

At the moment, the warning is only shown in the Android app.

Here the warning in the Android app:

Your Environment

• Threema Web version: 2.1.7
• Threema App version: 3.7

[rugk]

Wow, that's an interesting feature… 😄