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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 ...
Secure coding is the practice of developing computer software in such a way that guards against the accidental introduction of security vulnerabilities. Defects, bugs and logic flaws are consistently the primary cause of commonly exploited software vulnerabilities. [1] Through the analysis of thousands of reported vulnerabilities, security ...
In computing, the Challenge-Handshake Authentication Protocol ( CHAP) is an authentication protocol originally used by Point-to-Point Protocol (PPP) to validate users. CHAP is also carried in other authentication protocols such as RADIUS and Diameter . Almost all network operating systems support PPP with CHAP, as do most network access servers.
Persistent cookies are also used for reasons such as keeping users logged into their accounts on websites, to avoid re-entering login credentials at every visit. (See § Uses, below.) Secure cookie. A secure cookie can only be transmitted over an encrypted connection (i.e. HTTPS). They cannot be transmitted over unencrypted connections (i.e. HTTP).
Secure attention key. A secure attention key ( SAK) or secure attention sequence ( SAS) [1] is a special key or key combination to be pressed on a computer keyboard before a login screen which must, to the user, be completely trustworthy. The operating system kernel, which interacts directly with the hardware, is able to detect whether the ...
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Login session. In computing, a login session is the period of activity between a user logging in and logging out of a (multi-user) system . On Unix and Unix-like operating systems, a login session takes one of two main forms: When a textual user interface is used, a login session is represented as a kernel session — a collection of process ...
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