Detecting man-in-the-middle attacks via security transitions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-011/00
G06F-012/14
G06F-012/16
G08B-013/00
출원번호
US-0324820
(2008-11-26)
등록번호
US-8561181
(2013-10-15)
발명자
/ 주소
Hernacki, Brian
Sobel, William E.
출원인 / 주소
Symantec Corporation
대리인 / 주소
Fenwick & West LLP
인용정보
피인용 횟수 :
184인용 특허 :
5
초록▼
A page list comprising a list of transitions between network resources is established. Subsequently, a transition is detected between a first network resource and a second network resource. An expected security level associated with the transition is identified based on the page list. Responsive to
A page list comprising a list of transitions between network resources is established. Subsequently, a transition is detected between a first network resource and a second network resource. An expected security level associated with the transition is identified based on the page list. Responsive to the detected security level being determined to be lower than the expected security level, a remedial action is performed.
대표청구항▼
1. A computer-implemented method of detecting a possible network security breach occurring during a network interaction involving a client computer, the method comprising: establishing a page list comprising, for each of a plurality of transitions from a source web page to a destination web page, an
1. A computer-implemented method of detecting a possible network security breach occurring during a network interaction involving a client computer, the method comprising: establishing a page list comprising, for each of a plurality of transitions from a source web page to a destination web page, an identifier of the source web page, an identifier of the destination web page, and a representation of an expected security level associated with the transition;detecting a transition from a first web page to a second web page within a browser associated with the client computer;responsive to detecting the transition from the first web page to the second web page, identifying a site that comprises the first web page and the second web page in a site list comprising a list of sites to be protected;detecting a security level associated with the transition from the first web page to the second web page;responsive to identifying the site in the site list, identifying an expected security level associated with the transition from the first web page to the second web page using the page list;determining whether the detected security level is lower than the identified expected security level; andresponsive to the identified detected security level being lower than the identified expected security level, performing a remedial action. 2. The computer-implemented method of claim 1, wherein the page list further comprises authentication data associated with a site in the site list, the method further comprising verifying that the page list came from an expected source by applying the authentication data to the page list. 3. The computer-implemented method of claim 1, wherein establishing the page list comprises receiving a first page list from a first web site associated with the first web page and the second web page, and receiving a second page list from a second web site, wherein the first and second page lists comprise, for at least one transition from a source web page to a destination web page, an identifier of the source web page, an identifier of the destination web page, and an expected security level associated with the transition. 4. The computer-implemented method of claim 1, further comprising receiving the page list from a security server located at a remote location over a computer network. 5. The computer-implemented method of claim 1, further comprising: monitoring transitions between first and second web pages within the browser associated with the client computer;determining whether a first one of the transitions is associated with an increase in a security level of a browser session; andresponsive to a determination that the first one of the transitions is associated with an increase in the security level, storing the first one of the transitions and a representation of the security level in the page list. 6. The computer-implemented method of claim 5, further comprising: providing the page list to a security server; andreceiving, from the security server, an aggregated page list comprising contents of the page list and contents of page lists created on computers other than the client computer. 7. The computer-implemented method of claim 1, wherein the remedial action comprises one of blocking access to the second web page, displaying an alert message referencing the detected and expected security levels, and logging an error message referencing the detected and expected security levels. 8. The computer-implemented method of claim 1, wherein the expected security level associated with the transition corresponds to a use on the second web page of one of the Hypertext Transport Protocol (HTTP) and Secure HTTP (HTTPS) protocols, and wherein determining whether the detected security level is lower than the identified expected security level comprises determining whether the detected security level involves HTTP rather than HTTPS. 9. A non-transitory computer-readable storage medium storing a computer program executable by a processor for detecting a possible network security breach occurring during a network interaction involving a client computer, actions of the computer program comprising: establishing a page list comprising, for each of a plurality of transitions from a source web page to a destination web page, an identifier of the source web page, an identifier of the destination web page, and a representation of an expected security level associated with the transition;detecting a transition from a first web page to a second web page within a browser associated with the client computer;responsive to detecting the transition from the first web page to the second web page, identifying a site that comprises the first web page and the second web page in a site list comprising a list of sites to be protected;detecting a security level associated with the transition from the first web page to the second web page;responsive to identifying the site in the site list, identifying an expected security level associated with the transition from the first web page to the second web page using the page list;determining whether the detected security level is lower than the identified expected security level; andresponsive to the identified detected security level being lower than the identified expected security level, performing a remedial action. 10. The non-transitory computer-readable storage medium of claim 9, wherein the page list further comprises authentication data associated with a site in the site list, the method further comprising verifying that the page list came from an expected source by applying the authentication data to the page list. 11. The non-transitory computer-readable storage medium of claim 9, wherein establishing the page list comprises receiving a first page list from a first web site associated with the first web page and the second web page, and receiving a second page list from a second web site, wherein the first and second page lists comprise, for at least one transition from a source web page to a destination web page, an identifier of the source web page, an identifier of the destination web page, and an expected security level associated with the transition. 12. The non-transitory computer-readable storage medium of claim 9, the actions further comprising receiving the page list from a security server located at a remote location over a computer network. 13. The non-transitory computer-readable storage medium of claim 9, the actions further comprising: monitoring transitions between first and second web pages within the browser associated with the client computer;determining whether a first one of the transitions is associated with an increase in a security level of a browser session; andresponsive to a determination that the first one of the transitions is associated with an increase in the security level, storing the first one of the transitions and a representation of the security level in the page list. 14. The non-transitory computer-readable storage medium of claim 13, the actions further comprising: providing the page list to a security server; andreceiving, from the security server, an aggregated page list comprising contents of the page list and contents of page lists created on computers other than the client computer. 15. The non-transitory computer-readable storage medium of claim 9, wherein the remedial action comprises one of blocking access to the second web page, displaying an alert message referencing the detected and expected security levels, and logging an error message referencing the detected and expected security levels. 16. A computer-implemented system for detecting a possible network security breach occurring during a network interaction involving a client computer, comprising: a cache containing a page list comprising, for each of a plurality of transitions from a source web page to a destination web page, an identifier of the source web page, an identifier of the destination web page, and a representation of an expected security level associated with the transition;a security module performing actions comprising:detecting a transition from a first web page to a second web page within a browser associated with the client computer;responsive to detecting the transition from the first web page to the second web page, identifying a site that comprises the first web page and the second web page in a site list comprising a list of sites to be protected;detecting a security level associated with the transition from the first web page to the second web page;responsive to identifying the site in the site list, identifying an expected security level associated with the transition from the first web page to the second web page using the page list;determining whether the detected security level is lower than the identified expected security level; andresponsive to the identified detected security level being lower than the identified expected security level, performing a remedial action. 17. The computer-implemented system of claim 16, the actions of the security module further comprising receiving the page list from a security server located at a remote location over a computer network. 18. The computer-implemented system of claim 16, the actions of the security module further comprising: monitoring transitions between first and second web pages within the browser associated with the client computer;determining whether a first one of the transitions is associated with an increase in a security level of a browser session; andresponsive to a determination that the first one of the transitions is associated with an increase in the security level, storing the first one of the transitions and a representation of the security level in the page list. 19. The computer-implemented system of claim 18, the actions of the security module further comprising: providing the page list to a security server; andreceiving, from the security server, an aggregated page list comprising contents of the page list and contents of page lists created on computers other than the client computer. 20. The computer-implemented system of claim 16, wherein the remedial action comprises one of blocking access to the second web page, displaying an alert message referencing the detected and expected security levels, and logging an error message referencing the detected and expected security levels.
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Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J.; Willis, III, Thomas M., Method and repeater for broadband distribution.
Henry, Paul Shala; Willis, III, Thomas M.; Barzegar, Farhad; Bennett, Robert; Gerszberg, Irwin; Barnickel, Donald J., Methods and apparatus for adjusting an operational characteristic of an antenna.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Methods and apparatus for inducing a fundamental wave mode on a transmission medium.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Methods and apparatus for inducing a fundamental wave mode on a transmission medium.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Methods and apparatus for inducing a fundamental wave mode on a transmission medium.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium.
Lubranski, Leon; Van Brakle, Tracy; Blandino, George; Gerszberg, Irwin, Methods, devices, and systems for load balancing between a plurality of waveguides.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Network termination and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Network termination and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Network termination and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Network termination and methods for use therewith.
Henry, Paul Shala; Gerszberg, Irwin; Bennett, Robert; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Node device, repeater and methods for use therewith.
Henry, Paul Shala; Gerszberg, Irwin; Bennett, Robert; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Node device, repeater and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Passive electrical coupling device and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Passive electrical coupling device and methods for use therewith.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium.
Henry, Paul Shala; Gerszberg, Irwin; Bennett, Robert; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Radial antenna and methods for use therewith.
Barzegar, Farhad; Barnickel, Donald J.; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Barnickel, Jr., Donald J.; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Barnickel, Jr., Donald J; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Barnickel, Jr., Donald J; Blandino, George; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Remote distributed antenna system.
Barzegar, Farhad; Henry, Paul Shala; Blandino, George; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Remote distributed antenna system.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Repeater and methods for use therewith.
Bennett, Robert; Barnickel, Donald J; Barzegar, Farhad; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Surface-wave communications and methods thereof.
Bennett, Robert; Barnickel, Donald J; Barzegar, Farhad; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Surface-wave communications and methods thereof.
Bennett, Robert; Barnickel, Donald J; Barzegar, Farhad; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Surface-wave communications and methods thereof.
Bennett, Robert; Barnickel, Donald J; Barzegar, Farhad; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Surface-wave communications and methods thereof.
Chen, Shun; Dandliker, Richard Bruce; DiCorpo, Phillip; Wootton, Bruce Christopher; Kessler, Dirk; Wyatt, Timothy Micheal, System and method for identity consolidation.
Gerszberg, Irwin; Barzegar, Farhad; Henry, Paul Shala; Bennett, Robert; Barnickel, Donald J; Willis, III, Thomas M., System for generating topology information and methods thereof.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with channel equalization and control and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with channel equalization and control and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Barzegar, Farhad; Gerszberg, Irwin; Bennett, Robert; Henry, Paul Shala, Transmission device with impairment compensation and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J.; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J.; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Gerszberg, Irwin; Barzegar, Farhad; Barnickel, Donald J; Willis, III, Thomas M., Transmission device with mode division multiplexing and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium and communication interfaces and methods for use therewith.
Bennett, Robert; Henry, Paul Shala; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium and method for facilitating propagation of electromagnetic waves via a core.
Barzegar, Farhad; Barnickel, Donald J; Bennett, Robert; Gerszberg, Irwin; Henry, Paul Shala; Willis, III, Thomas M., Transmission medium and methods for use therewith.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M., Transmission medium having multiple cores and methods for use therewith.
Henry, Paul Shala; Taylor, William Scott; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M., Transmission medium having multiple cores and methods for use therewith.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J; Willis, III, Thomas M.; Guntin, Ed, Waveguide system and methods for inducing a non-fundamental wave mode on a transmission medium.
Henry, Paul Shala; Bennett, Robert; Barzegar, Farhad; Gerszberg, Irwin; Barnickel, Donald J.; Willis, III, Thomas M.; Guntin, Ed, Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium.
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