caller
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... consider whether you will allow it from an authenticated one. The
goal here is to prevent callers using your modem pool as part of a
chain of logins ...
... modems. Resetting at both the end and the
beginning of each call will assure an even higher level of confidence
that a new caller will not inherit a previous caller's session.
...
... beginning of each call will assure an even higher level of confidence
that a new caller will not inherit a previous caller's session.
...
... intentioned people have unknowingly leaked sensitive details about
incidents, allowed unauthorized people into their systems, etc.,
because a caller has masqueraded as a representative of a government
agency. (Note: this word of caution actually applies to all external
contacts.)
...