Avoid using subdomains for accounts in your saas app
douglastarr.com
douglastarr.com
e.g. https://security.stackexchange.com/questions/33851/protectin...
Some additional context:
- https://security.googleblog.com/2012/08/content-hosting-for-...
- https://en.wikipedia.org/wiki/Same-origin_policy
- and other articles on CORS, XSS and CSRF, etc
I'm trying to warn people off of subdomains, rather than encourage it.