https://www.pcmag.com/news/pro-iran-hackers-hit-ubuntus-cano...
https://www.reddit.com/r/cybersecurity/comments/1t0jf3p/313_...
> Canonical’s web infrastructure is under a sustained, cross-border attack and we are working to address it. We will provide more information in our official channels as soon as we are able to.
Thats all it says unfortunately, and this was posted 14 hours ago, with no more recent updates as far as I can tell.