New countermeasure against unwanted wireless surveillance

SECURITY - Countering security issues with spying on wifi through a physical barrier instead of trusting software-based encryption... Interesting choice.

"To counter this method known as “adversarial wireless sensing”, the team investigated the use of Intelligent Reflecting Surfaces (IRS). IRS are considered a forward-looking technology for establishing intelligent wireless environments: here, many reflective elements are distributed over a surface and their reflective behavior can be individually and electronically adjusted."


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