Nice blog on using Proxyman and Frida to bypass certificate pinning of thick clients such as ProtonVPN on macOS systems.
Bypass ProtonVPN macOS Certificate Pinning with Proxyman and Frida
How to bypass certificate pinning on ProtonVPN macOS app using Frida.
It lets you get a better understanding of how and what the program is actually sending in these encrypted messages.
It’s also quite possible software developers send more data than they claim, which may lead to security or privacy issues.
Via (Linkedin): Naz Markuta on LinkedIn: Bypass ProtonVPN macOS Certificate Pinning with Proxyman and Frida