System, method and recording medium for location verification

Abstract

A computer-implemented information verification method, system, and non-transitory computer readable medium, include measuring a first signal strength from a user device to a second device, wherein the first signal strength is measured from a perspective of the user device, measuring a second signal strength from the second device to the user device, wherein the second signal strength is measured from a perspective of the second device, comparing the first signal strength with the second signal strength, and verifying an information, based on a result of said comparing.

1 .- 20 . (canceled) 
     
     
         21 . A computer-implemented information verification method, the method comprising:
 measuring a first signal strength from a user device to a second device, wherein the first signal strength is measured from a perspective of the user device;   measuring a second signal strength from the second device to the user device, wherein the second signal strength is measured from a perspective of the second device;   comparing the first signal strength with the second signal strength to determine a difference in signal strength between the first signal strength and the second signal strength; and   verifying an information to confirm a location of the user device in relation to the second device, based on the difference in the signal strength in a result of said comparing which indicates a spoofing of the location of the user device according to the difference in relation to an actual location of the user device.   
     
     
         22 . The method of claim  2 . 1 , wherein the information comprises a location of the user device, and wherein the result of said comparing is based on a predetermined threshold value. 
     
     
         23 . The method of  claim 21 , wherein the first device is selected from a group consisting of a mobile phone, a laptop, and a personal digital assistant (PDA). 
     
     
         24 . The method of  claim 21 , wherein the second device is selected from a group consisting of an access point, a Wi-Fi hotspot, a network router, and a Bluetooth-enabled device. 
     
     
         25 . The method of  claim 21 , further comprising measuring a plurality of third signal strengths from a plurality of third devices to the user device,
 wherein the comparing compares the first signal strength with at least some of the third signal strengths to verify a location of the user device.   
     
     
         26 . The method of  claim 25 , wherein the third devices are within a predetermined distance from the location of the user device. 
     
     
         27 . The method of  claim 25 , wherein the location of the user device is verified based on a difference between the first signal strength and at least one of the third signals strengths being less than a predetermined threshold value. 
     
     
         28 . The method of  claim 25 , wherein the location of the user device is verified based on a difference between the first signal strength and an average of all of the third signals strengths being less than a predetermined threshold value. 
     
     
         29 . The method of  claim 21 , wherein the method is practiced in a cloud-computing environment. 
     
     
         30 . A computer program product for verifying information, the computer program product comprising a computer-readable storage medium having program instructions embodied therewith, readable/executable by a computer, to cause the computer to perform a method comprising:
 measuring a first signal strength from a user device to a second device, wherein the first signal strength is measured from a perspective of the user device;   measuring a second signal strength from the second device to the user device, wherein the second signal strength is measured from a perspective of the second device;   comparing the first signal strength with the second signal strength to determine a difference in signal strength between the first signal strength and the second signal strength; and   verifying an information to confirm a location of the user device M relation to the second device, based on the difference in the signal strength in a result of said comparing which indicates a spoofing of the location of the user device according to the difference in relation to an actual location of the user device.   
     
     
         31 . The computer program product of  claim 30 , wherein the information comprises a location of the user device, wherein said verifying is based on a difference between the first signal strength and the second signal strength being less than a predetermined threshold value. 
     
     
         32 . The computer program product of  claim 30 , wherein the first device is selected from a group consisting of a mobile phone, a laptop, and a personal digital assistant (PDA). 
     
     
         33 . The computer program product of  claim 30 , wherein the second device is selected from a group consisting of a WiFi hotspot, an access point, a network router, and a Bluetooth-enabled device. 
     
     
         34 . The computer program product of  claim 30 , further comprising measuring a plurality of third signal strengths from a plurality of third devices to the user device, wherein the comparing compares the first signal strength with at least some of the third signal strengths to verify a location of the user device. 
     
     
         35 . The computer program product of  claim 34 , wherein the third devices are within a predetermined distance from the location of the user device. 
     
     
         36 . A location verification system, said system comprising:
 a processor; and   a memory; the memory storing instructions to cause the processor to:
 measuring a first signal strength from a user device to a second device, wherein the first signal strength is measured from a perspective of the user device; 
 measuring a second signal strength from the second device to the user device, wherein the second signal strength is measured from a perspective of the second device; 
 comparing the first signal strength with the second signal strength to determine a difference in signal strength between the first signal strength and the second signal strength; and 
 verifying an information to confirm a location of the user device in relation to the second device, based on the difference in the signal strength in a result of said comparing which indicates a spoofing of the location of the user device according to the difference in relation to an actual location of the user device. 
   
     
     
         37 . The system of  claim 36 , wherein the system is practiced in a cloud-computing environment. 
     
     
         38 . The system of  claim 36 , wherein the information comprises a location of the user device, and wherein said verifying is based on a difference between the first signal strength and the second signal strength being less than a predetermined threshold value. 
     
     
         39 .The system of  claim 36 , wherein the second device is selected from a group consisting of a WiFi hotspot, an access point, a network router, and a Bluetooth-enabled device. 
     
     
         40 . The computer-implemented information verification method of  claim 21 , further comprising:
 measuring a third signal strength between a third device in a predetermined proximity of the second device and the user device, where the third signal strength is measured from the perspective of the user device;   wherein the comparing compares the first signal strength with the second signal strength and comparing the first signal strength with the third signal strength to determine the difference in signal strength between the comparison of the first signal strength with the second signal strength and the first signal strength with the third signal strength, and wherein the verifying verifies the information to confirm the location of the user device in relation to the second device and the third device that is in the predetermined proximity of the second device, based on the difference in the signal strength in the result of said comparing which indicates a spoofing of the location of the user device according to the difference in relation to an actual location of the user device.