Scientists of the CTIT research institute at the University of Twente have together with their colleagues of the University of Leuven succeeded in securing chip cards against leaking confidential information.
Through the use of smart algorithms, it is now possible to better secure, for instance, bank cards, public transport chip cards and electronic keys of buildings and cars against hackers.
Every day, all around the world, we use billions of chip cards such as bank cards, electronic keys for buildings, cars or garage doors, and public transport chip cards. These cards are relatively simple to hack, as has happened with the OV-chipkaart (Dutch public transport card). After a chip card has been hacked, restoring the damage comes with a very high cost.
Prof. Dr. Pieter Hartel, UT professor of Services, Cybersecurity and Safety research: “It’s not just about the costs made to replace the entire system, for example, all bank cards; it’s also the costs of everything that comes with it, such as reputation damage. The actual costs are therefore many times the millions of euros it costs to create all the new cards.”
UT Ph.D. candidate Begül Bilgin developed clever ways to make chip cards more secure against the leaking of confidential information.
Leaking secrets
Bilgin especially looked into the leaking of confidential information from the chips. This leaking happens in several different ways.
Hartel: “For example, through energy consumption. Only by looking at how much energy the chip consumes during specific activities you can already discover what the chip is doing. The way and manner of energy consumption are really difficult to hide. In addition, by measuring the duration of the activity you can already draw conclusions about what the chip is doing.”
Read more: Smart Algorithms Secure Chip Cards against Hackers
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