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Smartphone Sensors Turned Spycams

January 22, 2024
Reading Time: 2 mins read
in Alerts
Smartphone Sensors Turned Spycams

A groundbreaking revelation from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) unveils a significant privacy concern tied to smartphone ambient light sensors. Traditionally responsible for adjusting screen brightness, these sensors are now identified as potential tools for malicious actors to secretly record users and their surroundings. The researchers propose a computational imaging algorithm that exploits single-point light intensity changes to construct images of the environment from the sensor’s perspective.

The study challenges the notion that ambient light sensors are innocuous, emphasizing their widespread deployment in portable devices. Princeton University professor Felix Heide, not involved in the research, underscores the far-reaching privacy threat and the need for urgent attention. The researchers advocate for stricter permissions, reduced precision, and speed in sensor operations. They propose granting users similar control over ambient light sensor permissions as with cameras. Future devices could also benefit from design considerations, such as orienting ambient light sensors away from users to mitigate privacy risks.

Reference:
  • Study: Smart devices’ ambient light sensors pose imaging privacy risk
Tags: Cyber AlertCyber Alerts 2024Cyber RiskCyber threatCybersecurityJanuary 2024MIT'sMobile devicesPrivacySensorsSpycamsSurveillance
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