English – The Conversation | Facial recognition data is a key to your identity – if stolen, you can’t just change the locks by Jonathan S. Weissman, Principal Lecturer of Cybersecurity, Rochester Institute of Technology
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Facial recognition data functions as a permanent “digital key” to a person’s identity: cameras in public spaces and private venues continuously capture faces, converting them into mathematical templates that can unlock bank apps, airport security, office doors, or retail services. Unlike passwords or credit‑card numbers, a face cannot be changed, so if these templates are breached—as has happened in incidents in Australia (2024) and the U.S. Customs‑Border Protection system (2019)—the victim faces a lifelong vulnerability that can be combined with other leaked data to create “super‑profiles” and even enable deep‑fake or 3‑D impersonation. Because facial templates can be stored centrally by vendors lacking strong cybersecurity expertise, a breach can expose a persistent identifier that links across databases, making it difficult to revoke or delete. To mitigate the risk, organizations should collect only necessary data, encrypt and promptly erase templates, employ robust liveness detection, and adopt privacy‑by‑design practices, while consumers in jurisdictions with strong privacy laws can request access to or deletion of their biometric records.



