The login is your University username (your email but without the and password. Log in to HR Organiser to access your employment information HR Organiser is an online self-service system that, as a member of the University of Essex staff, gives you easy access to view and amend personal and employment information.
More information on how this works is on the multifactor authentication article. You now need to use multifactor authentication (MFA) when logging in to HR Organiser.