Resolved -
The issue has been resolved and logins are all working properly now. We'll be reviewing the recent update that caused the problem and taking steps to make sure this doesn't happen again.
Apr 16, 07:36 BST
Investigating -
We are currently investigating an issue which is preventing most Beacon logins, resulting in a 404 message.
Forms are not affected.
Apr 16, 07:22 BST