Researchers built a $7 gadget for anyone paranoid about hidden cameras in hotel rooms
KAIST-led researchers built SweepLED, a sub-$7 smartphone LED clip using AI to detect hidden cameras with 93.9-95.1% accuracy.
SweepLED, built by KAIST with the National University of Singapore and Singapore Management University, clips 15 LEDs to a smartphone camera and sweeps multi-angle light while the phone films reflections. A spatio-temporal AI model compares LED-on and LED-off frames to distinguish lens reflections from glossy surfaces across three viewpoints. Testing on 30 objects, 12 with hidden cameras, achieved 93.9% accuracy handheld and 95.1% static. Core components cost under $7, targeting privacy checks in hotels and short-term rentals.
Top 10 Best Serverless Security Solutions in 2026
Buyer's guide ranks Palo Alto Prisma Cloud and Aqua top for serverless security; standalone serverless security has largely folded into CNAPP platforms.
A top-ten listicle evaluates serverless security tools across FaaS platforms like AWS Lambda, Azure Functions, and Google Cloud Functions. Prisma Cloud and Aqua lead platform coverage, Snyk owns code/dependency scanning, and Sysdig covers runtime behavior. The guide's main conclusion is that the standalone serverless security category has largely consolidated into CNAPP platforms.