A great deal of attention is given to security aspects, required by handling potentially malicious, nonstandard or just garbled data in mail messages coming from untrusted sources.
A data trust boundary is a point where data comes from an untrusted source.
Special care must be taken when using with data from an untrusted source.
During this time, as always, we strongly urge customers to use caution when downloading, using, installing and updating applications from untrusted sources.
A common methods of protecting against this type of Trojan horse is avoiding launching files from untrusted sources.
Mails from untrusted sources advertising certain products or spreading some hard-to-believe information, are not uncommon.
This makes it harder for the developer to check whether all the input a program might get from untrusted sources is filtered correctly.
This type of security breach is created by the fact that users are connecting to untrusted sources, as opposed to a maintained server.
In addition, Gadgets installed from untrusted sources can harm your computer and can access your computer's files, show you objectionable content, or change their behavior at any time.
PowerShell protects against inadvertently executing scripts obtained from untrusted sources through other means (described in the following sections).