One of the world’s least trustworthy men doesn’t trust Signal anymore.
a major outage at Amazon Web Services affected a large number of websites and apps, including end-to-end encrypted messenger Signal. In response, X Executive Chairman and Chief Technical Officer Elon Musk claimed that he no longer trusts Signal. “I don’t trust Signal anymore,” Musk stated, plainly.
To be clear, the centralized infrastructure upon which Signal relies does not necessarily put encrypted communications made via Signal at risk, as Signal does not hold the keys to the encrypted data held in that infrastructure.
PSA: we are aware that Signal is down for some people. This appears to be related to a major AWS outage. Stand by.
Meredith Whittaker (@mer__edith) October 20, 2025
Signal President Meredith Whittaker responded to Musk’s post on X, noting, “Signal is trusted by the security and hacker community, and hundreds of millions of others, BECAUSE they can examine it, and because on examination, it has shown to be robust, private, and secure–for over a decade.”
In recent months, Musk has been promoting the use of X Chat as a method of secure, encrypted communications between its users. However, security experts have noted that any encrypted messaging app should be open source if it is to be trusted with secure communications, in addition to other concerns. After all, how is someone supposed to know what the app is actually doing if they cannot look at the code?
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