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Card, SIM, eSIM and iSIM

Form-factor continuity and differences for hardware-verified security.

availableAvailableReviewed 5 Sept 2026

How does the physical Cyber One Card technology lineage extend to SIM, eSIM and iSIM implementations?

Joseph Callahan’s 5 September 2026 company declaration states Keyra builds on more than 15 years of Ciright Cyber One Card experience and that the technology now runs on SIM, eSIM and iSIM for hardware-verified security. The approved foundation wording presents this as an extension of the physical card lineage into integrated mobile form factors.

availableAvailableReviewed 5 Sept 2026

How does the current iSIM implementation provide hardware-verified security?

Company declaration dated 5 September 2026 states the technology now runs on iSIM for hardware-verified security as part of the SIM/eSIM/iSIM set. iSIM integrates SIM functionality into a device secure processing environment. Detailed update control, key storage and verification encodings remain editorial tasks until engineering confirms them.

availableAvailableReviewed 5 Sept 2026

Is a connectivity eSIM the same as a Keyra security applet?

No. A connectivity eSIM profile provisions mobile subscription credentials for network access. A Keyra security application or applet is a distinct security workload for hardware-verified operations. They may share an eSIM platform in some architectures, but connectivity alone is not Keyra security.

availableAvailableReviewed 5 Sept 2026

What happens if I change my phone, number or carrier?

Changing phone, number or carrier can affect subscription binding, security-application eligibility and recovery steps. Because Keyra hardware-verified security is declared on SIM, eSIM and iSIM, re-provisioning or re-enrollment may be required. Exact recovery flows that preserve the hardware trust boundary need product-confirmed runbooks.

availableAvailableReviewed 5 Sept 2026

Where does the security application execute in each implementation?

At a high level, card implementations historically executed security functions on card secure hardware; SIM, eSIM and iSIM implementations execute within their respective protected SIM environments as integrated by the platform. Exact execution boundaries, host APIs and operator roles differ and are marked editorial_task in the hardware matrix until confirmed.

availableAvailableReviewed 5 Sept 2026

How are iSIM security application updates authorized and managed in the supported architecture?

iSIM security application updates require authorized management channels appropriate to the integrated SIM environment—typically constrained platform or operator-controlled processes rather than arbitrary app-store writes. Company declaration confirms iSIM as a current form factor; specific update authorization mechanics are not invented here and remain an editorial/engineering task.

availableAvailableReviewed 5 Sept 2026

Do I need a physical Keyra card?

Not necessarily. Company declaration states current hardware-verified security runs on SIM, eSIM and iSIM, extending beyond the physical Cyber One Card. A physical card may still matter for specific programs or historical deployments, but public Keyra consumer messaging centers on mobile verification pathways.

availableAvailableReviewed 5 Sept 2026

What historical technical information is available through cyberonecard.com?

cyberonecard.com hosts historical Ciright Inc CyberONE materials describing passwordless MFA, elliptic-curve cryptography themes, FIDO-oriented positioning, workforce security and developer SDKs. It is designated the historical product reference for the Keyra story. Treat feature lists as historical context, not automatic current Keyra guarantees.

deprecatedDeprecatedReviewed 5 Sept 2026

What was CyberONE passwordless MFA intended to provide?

Historical Ciright CyberONE public materials positioned the card for passwordless multi-factor authentication using hardware-backed cryptography, with ECC and FIDO-oriented themes aimed at workforce security. That historical intent informs Keyra lineage storytelling without automatically certifying current Keyra products or claiming active FIDO certifications.

unknownUnknownReviewed 5 Sept 2026

How should Keyra Card education sites be used?

keyracard.com is a related education domain seed for card and mobile form-factor topics. Reconcile its pages with current Keyra documentation before treating them as authoritative live specifications. Prefer dated sources in this knowledge center when education pages and product facts appear to diverge.

Card, SIM, eSIM and iSIM · Keyra FAQ