Euclid login admin asp login password free. Email Address: Password: Lost Password? The user name field is required. If this method fails, your Euclid id may not be matched to your ESA/COSMOS account yet. The password field is required. Remember me? Forgot your password?. This portal provides two login methods: This is the recommended login method and is using your ESA/COSMOS credentials for authentication. Secure login page for accessing Euclid2004 administrative tools and services. Make sure to log out when your session is over, especially if you use a public access computer. Okta. All unauthorized attempts to access someone else's account will be logged and prosecuted. Active directory.