For enterprise tablet users, Fire OS 3.1 offers several new features, including the ability to securely connect to enterprise Wi - Fi networks to access corporate apps, documents and
other resources on Microsoft SharePoint, and support for Kerberos
authentication which enables secure intranet browsing from the Amazon Silk browser, as well as a native VPN client and native SCEP (Simple Certificate Exchange
Protocol) client that lets users retrieve digital certificates for secure resources.
Certificates are used for strong
authentication, digital signatures, and they form the basis of trust for
other security method and
protocols, such as SSL / TLS.