Hacker News Reader

In this case, strong E2E encryption was introduced after the acquisition (though presumably it had been in the works previously).

OK! I was referring to this and it was before the acquisition indeed: https://news.softpedia.com/news/Skype-Provided-Backdoor-Acce...

Pardon my skepticism, but Microsoft has most definitely advertised to the TLAs that Skype communications are available for review.