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  2. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Multi-factor authentication ( MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism. MFA protects personal data —which ...

  3. 2-Step Verification with a Security Key - AOL Help

    help.aol.com/articles/2-step-verification-with-a...

    Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. A security key is a physical device that gets uniquely associated with your AOL account after you enable it. Discover how to enable, sign in with, and manage your security key.

  4. Deterministic finite automaton - Wikipedia

    en.wikipedia.org/wiki/Deterministic_finite_automaton

    A deterministic finite automaton M is a 5- tuple, (Q, Σ, δ, q0, F), consisting of. a finite set of states Q. a finite set of input symbols called the alphabet Σ. a transition function δ : Q × Σ → Q. an initial or start state. q 0 ∈ Q {\displaystyle q_ {0}\in Q} a set of accept states. F ⊆ Q {\displaystyle F\subseteq Q}

  5. What is Two-Factor Authentication? - AOL

    www.aol.com/two-factor-authentication-120048004.html

    Two-Factor Authentication. Quite simply, Two-Factor Authentication requires two forms of user authentication rather than a single form to allow you to access a digital system. By requiring two ...

  6. Overseas Employment Certificate - Wikipedia

    en.wikipedia.org/wiki/Overseas_Employment...

    Varies; same as associated employment contract. Cost. ₱100. Rights. Exemptions on travel tax, documentary stamp, and airport fee [1] An Overseas Employment Certificate ( OEC ), also known as an exit pass or an exit clearance, [2] is an identity document for Filipino migrant workers or Overseas Filipino Workers (OFWs) departing from the ...

  7. Federated identity - Wikipedia

    en.wikipedia.org/wiki/Federated_identity

    Federated identity. A federated identity in information technology is the means of linking a person's electronic identity and attributes, stored across multiple distinct identity management systems. [1] Federated identity is related to single sign-on (SSO), in which a user's single authentication ticket, or token, is trusted across multiple IT ...

  8. Verification and validation - Wikipedia

    en.wikipedia.org/wiki/Verification_and_validation

    Verification and validation. Verification and validation (also abbreviated as V&V) are independent procedures that are used together for checking that a product, service, or system meets requirements and specifications and that it fulfills its intended purpose. [1] These are critical components of a quality management system such as ISO 9000.

  9. Differential fault analysis - Wikipedia

    en.wikipedia.org/wiki/Differential_fault_analysis

    Differential fault analysis. Differential fault analysis (DFA) is a type of active side-channel attack in the field of cryptography, specifically cryptanalysis. The principle is to induce faults —unexpected environmental conditions—into cryptographic operations to reveal their internal states.