Authentication Protocols and Standards

Some of most popular authentication protocols and standards are: ·         KERBEROS v5: Kerberos is an open standard for distributed systems authentication (RFC 1510). It relies on shared secret (or password) authentication by users to an authentication server called a Key Distribution Center (KDC). The KDC grants users access to applications, optional delegation of access from…

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Physical Access Control Technology

A typical physical access control system is made up of following components: –          ID Credential –          Door Reader –          Door Lock –          Control Panel –          Access Control Server –          Software –          Database The access control process begins when a user presents the credential (such as employee badge) to the door reader. The reader extracts data…

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User Authentication Mechanism (Method)

User authentication mechanism can use one of above factors or combine multiple factors to form strong authentication. The following are major user authentication mechanisms (methods): ·         Badge and identity card: Identification badges are usually used for physical access authentication, either by a security system automatically or by a security guard manually. They commonly include bar…

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Ways to Compromise Password

Passwords are vulnerable by virtue of the following attacks: Password Cracking Tools – A variety of software tools, such as L0Phtcrack and NT Crack, automate the guessing of passwords through brute force and with extensive dictionaries of frequently used passwords. Network Monitoring – This technique, also known as ”sniffing,” allows monitoring (without detection) the contents…

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User Authentication Factors

There are four authentication factors: Something one knows: The concept here is that if the user knows a pre-determined secret, he or she must be the right person. The common type of secret is a password or a PIN, though other schemes like images and patterns are being explored. The conventional wisdom is that since…

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