Computer networks can be protected from internal and external threats by using firewalls. The concept is that a specially configured firewall on the network will block unwanted access. However, this is a grossly misunderstood concept, and many organizations do not understand firewall capabilities and limitations. As a result, there can be a false sense of [...]
Archive for the ‘Encyclopedia’ Category
Kerberos Single Sign-On
April 7th, 2011 
sahlan All computer networks are prone to access control problems. It is an ongoing challenge to provide access to legitimate users while blocking access from all others. Computer users demand ease of use, while computer custodians strive for tighter controls. Unfortunately, network access is predominantly a perimeter defense. Better controls are sorely needed at the application [...]
Using Biometrics: Problems with Biometrics
March 29th, 2011 sahlan Using biometric systems has some drawbacks. How will the biometric results be used? Is the biometric system expected to provide identification or authentication? Biometric systems face issues of social acceptability. The users may have concerns about sanitary health issues regarding physical contact or about invasion of privacy. Biometric data must be managed to ensure the [...]
Using Biometrics: Characteristics Categories
March 29th, 2011 sahlan Biometrics uses unique physical characteristics to authenticate the identity claimed by the user. This is accomplished by using either physiological characteristics or behavioral characteristics. You are expected to understand the different types of biometric data used for authentication.
Logical Protection: Fundamental of Authentication
March 21st, 2011 sahlan Application software controls provide security by using a combination of user identity, authentication, authorization, and accountability. Identification and authentication (I&A) is the process of establishing and proving one’s identity. It is the process where the system validates both pieces of information: an identity claimed by user and the credentials needed to authenticate this identity. I&A [...]
Posted in Encyclopedia 
Tags: ATM card and PIN, Authentication, Biometrics, ID and password, token device 
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