What privacy risks can facial-recognition systems create when they are used for surveillance?

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When facial-recognition systems are used for surveillance, they create significant privacy risks by enabling the monitoring of individuals without their knowledge or consent. These systems, often referred to as "facecams" when integrated with CCTV, allow for passive, warrantless surveillance that can infringe upon the civil liberties of citizens.123

Key privacy and ethical concerns include:

  • Lack of Consent and Function Creep: Surveillance can occur without an individual’s awareness. Furthermore, data collected for one purpose may be repurposed for others, a phenomenon known as function creep.12
  • Targeted Monitoring and Political Suppression: Governments have utilized facial recognition to track and arrest political protesters, raising fears that such technology can be used to suppress dissent.1
  • Data Security Risks: Like all biometric data, facial maps are vulnerable to breaches. If compromised, this sensitive information cannot be changed like a password, potentially exposing individuals to identity theft or unauthorized tracking.2
  • Racial and Social Bias: Facial-recognition technology has been shown to exhibit significant racial bias, often misidentifying people of color at higher rates than white individuals. This bias, combined with the disproportionate deployment of surveillance cameras in minority neighborhoods, can lead to the unfair targeting of specific communities.4
  • Invasive Partnerships: Collaborations between private companies and law enforcement—such as the sharing of doorbell camera footage—can override individual privacy expectations, even when the cameras record activity on neighboring properties.1