+Generally it is assumed that the SILC Network is trusted. This means
+that clients can fully trust the servers and routers in the SILC Network.
+In real life this is not always possible. In the Internet it is possible
+that some server or router would get compromised by a malicious
+cracker. However, if the SILC Network is closed network, for example
+inside a orgranization the assumption generally is true. The SILC
+protocol is secure even if the end users consider the network
+untrusted, and provides several ways to still have secure conversation
+on the SILC Network.
+<p>
+
+The packets in the SILC network are always encrypted. It is not possible
+to send unencrypted messages in SILC. This assures that end user cannot
+even accidently send unencrypted messages while thinking that it is
+encrypted. This is the problem of most other chat protocols that provide
+so called plugin encryption. They are not secure by default but try
+to provide security by applying external security protocol such as PGP
+or SSL. In these cases the security is achieved usually by encrypting the
+data while key management and other security issues are left out, leaving
+the implementation vulnerable to various security problems.
+<p>
+