137Copyright © 2004 Nokia. All rights reserved.Browser securitySecurity features may be required for some services, such as banking services orshopping on a site. For such connections you need security certificates andpossibly a security module which may be available on your SIM card. For moreinformation, contact your service provider.Security moduleThe security module can contain certificates as well as private and public keys. Thepurpose of the security module is to improve security services for applicationsrequiring a browser connection, and to allow you to use a digital signature. Thecertificates are saved in the security module by the service provider.Press Menu, and select Web, Settings, Security settings and Security modulesettings. Select• Security module details to show the security module title, its status,manufacturer and serial number.• Module PIN request to set the phone to request the module PIN when usingservices provided by the security module.• Change module PIN to change the module PIN, if allowed by the securitymodule.• Change signing PIN to select and change a signing PIN.See also Access codes on page 16.