Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 496)

496
Security
If security settings have not been properly set, the following problems may
occur.
 Transmission monitoring
Third parties with malicious intent may monitor the Wi-Fi transmissions
and attempt to acquire the data you are sending.
 Unauthorized network access
Third parties with malicious intent may gain unauthorized access to
the network you are using to steal, modify, or destroy information.
Additionally, you could fall victim to other types of unauthorized access
such as impersonation (where someone assumes an identity to gain
access to unauthorized information) or springboard attacks (where
someone gains unauthorized access to your network as a springboard to
cover their tracks when infi ltrating other systems).
It is recommended to make use of the systems and functions to thoroughly
secure your network, preventing these types of problems from occurring.