Cybercriminals may lurk in public Wi-Fi hot spots, as you learned in Secure IT 2-1 in this chapter. These thieves also may be on the lookout for customers entering their PIN at keypads near cash registers or at ATMs. Body heat from fingers touching the keys remains for a short time, and a device with infrared-scanning capabilities can detect which keys are warmer than others. This device, which is readily available for purchase at cell phone accessories stores, snaps on the back of cell phones. It captures the thermal heat signatures, with the most recently touched keys glowing red and the cooler keys glowing light green. The thief, therefore, knows which keys comprise the PIN and the sequence of numbers by looking at the intensity of colors on the infrared scan. Research This: How much does a thermal imaging cell phone case cost? Which brand of phone is more commonly used to capture thermal imaging? What steps can consumers take to thwart thieves using infrared scanning? Which key materials are less apt to retain the thermal signatures: metal, rubber, or plastic? Researchers from which university published a paper discussing thermal camera-based attacks
Cybercriminals may lurk in public Wi-Fi hot spots, as you learned in Secure IT 2-1 in this chapter. These thieves also may be on the lookout for customers entering their PIN at keypads near cash registers or at ATMs. Body heat from fingers touching the keys remains for a short time, and a device with infrared-scanning capabilities can detect which keys are warmer than others. This device, which is readily available for purchase at cell phone accessories stores, snaps on the back of cell phones. It captures the thermal heat signatures, with the most recently touched keys glowing red and the cooler keys glowing light green. The thief, therefore, knows which keys comprise the PIN and the sequence of numbers by looking at the intensity of colors on the infrared scan. Research This: How much does a thermal imaging cell phone case cost? Which brand of phone is more commonly used to capture thermal imaging? What steps can consumers take to thwart thieves using infrared scanning? Which key materials are less apt to retain the thermal signatures: metal, rubber, or plastic? Researchers from which university published a paper discussing thermal camera-based attacks
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