A wearable display is a screen worn close to the eyes, such as smart glasses or a head-mounted display, so the user can view content privately and hands-free. In cyber security, this matters because it changes how information is exposed and consumed: a private display can reduce shoulder-surfing, but it can also make sensitive data easier to read, record, or leak if the device is compromised.
Attackers may target wearable displays through malicious apps, weak pairing, or cloud account abuse to capture notifications, camera views, location data, or authentication prompts. Defenders use them for secure field work, guided maintenance, and rapid access to alerts without handling a phone or laptop. Like any endpoint, the security depends on device hardening, permission control, encryption, and strong authentication.