This university site [1] claims that it's a confirmed cyberattack:

> MathWorks is currently experiencing technical issues due to a confirmed cyberattack. This is affecting the availability of parts of their systems and services.

[1]: https://news.ki.se/operatinginfo/service-status-mathworks

Wow. I was actually trying to get pricing on a MATLAB Home license and couldn't get signed in or initiate the webform to Sales.

I sent an email to their info@ account and heard they were having some problems with their online systems. Didn't occur to me that it could be or is a cyberattack.