For those who run on Matrix.org and wonder why there is no connection:
Matrix announced an emergency maintenance… on Twitter:
Sadly @matrix didn't receive the love it deserves and informs the Fediverse.
Anyway, that's why we have a community. We compensate short coming of each other and together make sure the world becomes a better place!
Matrix is coming back up! One of the first things happening was writing a new blog post about the incident which you can find here:
TL;DR: Some outdated software was discovered and cracked by an attack which then had access to various data points.
Important: Change your password ASAP (including NickServ when you used the IRC bridges)
Hint: The homeserver is not back up yet.
Since Matrix reset all logins recently, you may lost some of your E2EE keys. Those were erased when being forcefully logged out.
Those who used the Key Backup mechanism by Matrix.org can recover quite easily, those who didn't bother to set them up, might have a problem.
In #e2e:matrix.org we discussed that today and someone provided a detailed guide on how to recover using BTRFS: