Mobility issues are physical limitations that make standard computer controls, such as a keyboard, mouse, touchscreen, or small buttons, hard to use reliably. In computing, this often means a user needs alternative input methods like sip-and-puff devices, switches, voice control, eye tracking, or larger, remapped controls.
In cyber security, mobility matters because access tools must work without weakening protection. If sign-in, MFA, screen locking, or endpoint controls are hard to use, people may create unsafe workarounds, such as shared accounts or disabled security features. Defenders test accessibility alongside security so assistive hardware and software remain compatible with authentication, authorization, and logging. Attackers can also benefit when inaccessible systems push users toward exceptions or support requests that are easier to social-engineer.