Re: Screening Outgoing Mail for Content6

Chad Schieken (cschiekeadvsys.com)
Wed, 5 Aug 1998 16:34:26 -0400 (EDT)

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I went back and re-read this thread... what about people just using PGP
to encrypt thier mail?

>
> According to Perry E. Metzger:
> > Users smart enough to use a scanner can send out GIF's of sensitive
> > documents without you being able to detect it via automation.
>
> "Sufficiently determined" detectors can decode common graphic formats
> and pump them through OCR software. Even designs typically have
> textual labels you can key on.
>
> However, you are right. "Smart" users can employ steganographic
> techniques to hide data in the images.
>
> Regards,
> Tom
> --
> Tom Schiavinato Advanced Systems Consulting Inc.
> Senior Systems Consultant Marlton, N.J.
>

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