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Disclosure: I work for SRLabs, the company who did this research.

You can find more infos on our blog release: https://srlabs.de/bites/rcs-hacking/

Great work!

So this is mostly on Google's implementation? Or is RCS insecure in general?

TFA:

>SRLabs didn't find an issue in the RCS standard itself, but rather how it is being implemented by different telecos

Yeah, but on the very next sentence:

> Because some of the standard is undefined...

I don't think you need to add a disclaimer if you use qualifiers such as "our".

Without it, someone will ask for confirmation that "our" really means "our", and someone else will complain about the lack of a disclaimer.