Patents by Inventor Pratap V. Prabhu

Pratap V. Prabhu 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).

  • Patent number: 9971891
    Abstract: Methods, systems, and media for detecting covert malware are provided. In accordance with some embodiments, a method for detecting covert malware in a computing environment is provided, the method comprising: receiving a first set of user actions; generating a second set of user actions based on the first set of user actions and a model of user activity; conveying the second set of user actions to an application inside the computing environment; determining whether state information of the application matches an expected state after the second set of user actions is conveyed to the application; and determining whether covert malware is present in the computing environment based at least in part on the determination.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: May 15, 2018
    Assignee: The Trustees of Columbia University in the City of the New York
    Inventors: Brian M. Bowen, Pratap V. Prabhu, Vasileios P. Kemerlis, Stylianos Sidiroglou, Salvatore J. Stolfo, Angelos D. Keromytis
  • Patent number: 9501639
    Abstract: Methods, systems, and media for providing trap-based defenses are provided. In accordance with some embodiments, a method for providing trap-based defenses is provided, the method comprising: generating decoy information based at least in part on actual information in a computing environment, wherein the decoy information is generated to comply with one or more document properties; embedding a beacon into the decoy information; and inserting the decoy information with the embedded beacon into the computing environment, wherein the embedded beacon provides a first indication that the decoy information has been accessed by an attacker and wherein the embedded beacon provides a second indication that differentiates between the decoy information and the actual information.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: November 22, 2016
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Salvatore J. Stolfo, Angelos D. Keromytis, Brian M. Bowen, Shlomo Hershkop, Vasileios P. Kemerlis, Pratap V. Prabhu, Malek Ben Salem
  • Publication number: 20160012222
    Abstract: Methods, systems, and media for providing trap-based defenses are provided. In accordance with some embodiments, a method for providing trap-based defenses is provided, the method comprising: generating decoy information based at least in part on actual information in a computing environment, wherein the decoy information is generated to comply with one or more document properties; embedding a beacon into the decoy information; and inserting the decoy information with the embedded beacon into the computing environment, wherein the embedded beacon provides a first indication that the decoy information has been accessed by an attacker and wherein the embedded beacon provides a second indication that differentiates between the decoy information and the actual information.
    Type: Application
    Filed: March 9, 2015
    Publication date: January 14, 2016
    Inventors: Salvatore J. Stolfo, Angelos D. Keromytis, Brian M. Bowen, Shlomo Hershkop, Vasileios P. Kemerlis, Pratap V. Prabhu, Malek Ben Salem
  • Patent number: 9009829
    Abstract: Methods, systems, and media for providing trap-based defenses are provided. In accordance with some embodiments, a method for providing trap-based defenses is provided, the method comprising: generating decoy information based at least in part on actual information in a computing environment, wherein the decoy information is generated to comply with one or more document properties; embedding a beacon into the decoy information; and inserting the decoy information with the embedded beacon into the computing environment, wherein the embedded beacon provides a first indication that the decoy information has been accessed by an attacker and wherein the embedded beacon provides a second indication that differentiates between the decoy information and the actual information.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: April 14, 2015
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Salvatore J. Stolfo, Angelos D. Keromytis, Brian M. Bowen, Shlomo Hershkop, Vasileios P. Kemerlis, Pratap V. Prabhu, Malek Ben Salem
  • Publication number: 20130333037
    Abstract: Methods, systems, and media for detecting covert malware are provided. In accordance with some embodiments, a method for detecting covert malware in a computing environment is provided, the method comprising: receiving a first set of user actions; generating a second set of user actions based on the first set of user actions and a model of user activity; conveying the second set of user actions to an application inside the computing environment; determining whether state information of the application matches an expected state after the second set of user actions is conveyed to the application; and determining whether covert malware is present in the computing environment based at least in part on the determination.
    Type: Application
    Filed: August 13, 2013
    Publication date: December 12, 2013
    Inventors: Brian M. Bowen, Pratap V. Prabhu, Vasileios P. Kemerlis, Stylianos Sidiroglou, Salvatore J. Stolfo, Angelos D. Keromytis
  • Patent number: 8528091
    Abstract: Methods, systems, and media for detecting covert malware are provided. In accordance with some embodiments, a method for detecting covert malware in a computing environment is provided, the method comprising: generating simulated user activity outside of the computing environment; conveying the simulated user activity to an application inside the computing environment; and determining whether a decoy corresponding to the simulated user activity has been accessed by an unauthorized entity.
    Type: Grant
    Filed: December 31, 2010
    Date of Patent: September 3, 2013
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Brian M. Bowen, Pratap V. Prabhu, Vasileios P. Kemerlis, Stylianos Sidiroglou, Salvatore J. Stolfo, Angelos D. Keromytis
  • Publication number: 20110167494
    Abstract: Methods, systems, and media for detecting covert malware are provided. In accordance with some embodiments, a method for detecting covert malware in a computing environment is provided, the method comprising: generating simulated user activity outside of the computing environment; conveying the simulated user activity to an application inside the computing environment; and determining whether a decoy corresponding to the simulated user activity has been accessed by an unauthorized entity.
    Type: Application
    Filed: December 31, 2010
    Publication date: July 7, 2011
    Inventors: Brian M. Bowen, Pratap V. Prabhu, Vasileios P. Kemerlis, Stylianos Sidiroglou, Salvatore J. Stolfo, Angelos D. Keromytis
  • Publication number: 20100077483
    Abstract: Methods, systems, and media for providing trap-based defenses are provided. In accordance with some embodiments, a method for providing trap-based defenses is provided, the method comprising: generating decoy information based at least in part on actual information in a computing environment, wherein the decoy information is generated to comply with one or more document properties; embedding a beacon into the decoy information; and inserting the decoy information with the embedded beacon into the computing environment, wherein the embedded beacon provides a first indication that the decoy information has been accessed by an attacker and wherein the embedded beacon provides a second indication that differentiates between the decoy information and the actual information.
    Type: Application
    Filed: September 23, 2009
    Publication date: March 25, 2010
    Inventors: Salvatore J. Stolfo, Angelos D. Keromytis, Brian M. Bowen, Shlomo Hershkop, Vasileios P. Kemerlis, Pratap V. Prabhu, Malek Ben Salem