Okay, I've went and updated this somewhat.
Codes Yellow and Orange mean that members who want to join must be approved by Administrators, as well.


Green: Normal condition. No risk. New members are immediately registered.
Blue: Guarded condition, general risk. Review security measures. Registering members must activate their accounts through e-mail.
Yellow: Elevated condition, review security measures and implement as needed. Registering members must be approved by admins.
Orange: High risk, user investigation started, review site security. Registering members must be approved by admins.
Red: Severe risk. Lockdown started and methods from previous codes implemented. Registration is entirely disabled.
Code Black: Imminent risk, total lockdown and investigation. Staff review and security measures reviewed. All emergency measures implemented. Registration is entirely disabled.

Okay, I've went and updated this somewhat.
Codes Yellow and Orange mean that members who want to join must be approved by Administrators, as well.


Green: Normal condition. No risk. New members are immediately registered.
Blue: Guarded condition, general risk. Review security measures. Registering members must activate their accounts through e-mail.
Yellow: Elevated condition, review security measures and implement as needed. Registering members must be approved by admins.
Orange: High risk, user investigation started, review site security. Registering members must be approved by admins.
Red: Severe risk. Lockdown started and methods from previous codes implemented. Registration is entirely disabled.
Code Black: Imminent risk, total lockdown and investigation. Staff review and security measures reviewed. All emergency measures implemented. Registration is entirely disabled.