Today (1/28/2020) business catalyst was experiencing issues and yesterday they were dealing with a DDoS attack. I haven't updated my site in weeks so nothing changed on my end but after the issues I was seeing today my site is no longer rendering properly. Anyone else having this issue?
Had to clear my browser cache to get the site to render properly. I hope my site visitors don't have to do this. Moving my site to AWS soon so I can be done with Adobe BC.
That is more to do with your browser cache and not your actual website. Nothing will have changed as a result of the DDOS attack.
Please note that your Adobe BC site is running on AWS.. Going to your own AWS hosting you will encounter very similar issues that Adobe have put in a lot of back end work and monitoring to manage and overcome such as DDOS attacks and spam.