> The code shows that the messages were secretly duplicated and sent to a “ghost” contact that was hidden from the users’ contact lists. Lots of "secure" messaging apps do this for intel and surveillance and not just the white hats. Other areas that "secure" messaging apps have holes in is the anti-spam/moderation systems that need to view messages and in the clients themselves who have access to the unencrypted cont…
For anyone worth targeting, there are so many options available to actors with moderate resources. They will pwn your OS with an RCE exploit; or interfere the next time you update that "E2EE" app via Google or Apple's servers; or your laptop will take a few seconds longer to reappear at airport security; etc.
Marketing messengers as "secure" because they use some derivative of the Double Ratchet is like your bank saying your funds are secure because their website uses TLS.