Patents by Inventor Dan Vekhter

Dan Vekhter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for analyzing protocol streams for a security-related event
    Patent number: 7568227
    Abstract: A system and method are disclosed for analyzing a network protocol stream for a security-related event. At least two states associated with the network protocol in which a first host system communicating with a second host system using the network protocol may be placed are identified. At least one valid transition between a first state of the at least two states and a second state of the at least two states is defined. The at least one valid transition is expressed in the form of a regular expression. The regular expression is used to analyze the network protocol stream.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: July 28, 2009
    Assignee: Symantec Corporation
    Inventors: Michael P. Lyle, Dan Vekhter, Brandon Suzuki
  • System and method for analyzing protocol streams for a security-related event
    Publication number: 20020124187
    Abstract: A system and method are disclosed for analyzing a network protocol stream for a security-related event. At least two states associated with the network protocol in which a first host system communicating with a second host system using the network protocol may be placed are identified. At least one valid transition between a first state of the at least two states and a second state of the at least two states is defined. The at least one valid transition is expressed in the form of a regular expression. The regular expression is used to analyze the network protocol stream.
    Type: Application
    Filed: September 25, 2001
    Publication date: September 5, 2002
    Applicant: Recourse Technologies, Inc.
    Inventors: Michael P. Lyle, Dan Vekhter, Brandon Suzuki