4 ms·

The Dutch news mentions the police managed to snoop on the messages "before they were encrypted", so I assume they managed to hijack the app update process and

• dkarp 6y ago
  If they had access to the servers then they could have intercepted the key transfer. They would then be able to decrypt any messages sent
  • WJW 6y ago
    If that was the case, it's not really "before they were encrypted" though.