Browser security
Security features may be required for some services, such as online banking or
shopping. For such connections you need security certificates and possibly a
security module, which may be available on your SIM card. For more
information, contact your service provider.
Security module
The security module improves security services for applications requiring a
browser connection and allows you to use a digital signature. The security
module may contain certificates as well as private and public keys. The
certificates are saved in the security module by the service provider.
To view or change the security module settings, select Menu > Settings >
Security > Security module sett..
Certificates
Important: Even if the use of certificates makes the risks involved in
remote connections and software installation considerably smaller,
they must be used correctly in order to benefit from increased security.
The existence of a certificate does not offer any protection by itself; the
certificate manager must contain correct, authentic, or trusted
certificates for increased security to be available. Certificates have a
restricted lifetime. If "Expired certificate" or "Certificate not valid yet" is
shown even if the certificate should be valid, check that the current date
and time in your device are correct.
There are three kinds of certificates: server certificates, authority certificates,
and user certificates. You may receive these certificates from your service
provider. Authority certificates and user certificates may also be saved in the
security module by your service provider.
To view the list of the authority or user certificates downloaded to your phone,
select Menu > Settings > Security > Authority certificates or User
certificates.
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