RE: Vulnerability-based IPS Patent

["Richard M. Smith" <rms () bsf-llc com>]

Drsolly,

> > > I *know* what was in Dr Solomon's Antivirus Toolkit :-)

Are you (or anyone else) aware of prior art for this AV patent:

http://tinyurl.com/39ntx

Patent 5,319,776 
In transit detection of computer virus with safeguard 

Abstract

Data is tested in transit between a source medium and a destination medium,
such as between two computer communicating over a telecommunications link or
network. Each character of the incoming data stream is tested using a finite
state machine which is capable of testing against multiple search strings
representing the signatures of multiple known computer viruses. When a virus
is detected the incoming data is prevented from remaining on the destination
storage medium. Both hardware and software implementations are envisioned. 

Inventors:  Hile; John K. (Monroe, MI); Gray; Matthew H. (Monroe, MI);
Wakelin; Donald L. (Tecumseh, MI)  
Assignee:  Hilgraeve Corporation (Monroe, MI)  
Appl. No.:  954784 
Filed:  September 29, 1992

----------------------------------------------------------------

Symantec seems to own the patent now:

Symantec Buys Key Security Technology 
Patent, Records First Quarter Charge 
http://symantec.co.uk/press/2003/n030818a.html

Richard 

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