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Ans : The main benefits of personal computers are that it provides you the flexibility to bootinto multiple Operating Systems for desired use. But this flexibility poses great difficultyin the world of security. In addition to the security risks of Read More …

Ans : NAT and ICSIn the previous section all of the security systems and methods are for securingoperating system and data on physical hard disk. This security system is of no use if anattacker is able to sniff network packets. Read More …

ANS : This section discusses user account administration. For a user to log onto a Windows2000 network, a user account must be created. It is unique to every user and includesa user name and a password for authentication. A user Read More …

ANS : In the following section we will introduce concepts of domains, workshops andtrusted relationships. Concept of Domains A Windows 2000 domain is a logical collection of network computers that share acentralized directory database referred to as Active Directory Service. Read More …

Ans : Encrypting File System (EFS) The main benefits of personal computers are that it provides you the flexibility to bootinto multiple Operating Systems for desired use. But this flexibility poses great difficultyin the world of security. In addition to Read More …

Ans : Default Group Types On Windows NT 4.0 that groups can be either Global or Local, in Windows 2000 thisconcepts is expanded. In Windows 2000 the group types are: (1) Domain Local (2) Computer Local (3) Global (4) Universal. Read More …

Ans : The security in e-commerce is becoming more topical part.in the ongoing success andgrowth. However, Internet is an open communications network and anyone can exploitits vulnerabilities for fraudulent gain. If the Internet is to succeed as a business andcommunications Read More …

Ans : Digital Signature Digital signature authenticates the identity of the sender of a message or signature holderof the document. It ensures that the contents of the message are intact. The sender cannotrepudiate it later on. Digital Signatures are easily Read More …

E-commerce security has the following main aspects: (i) Privacy, (ii) integrity, (iii) availability, (iv) authenticity and (v) non-repudiation of the parties to the e-commerce transaction. To deploy a fully secured e-ecommerce environment, it is essential to consider all the above Read More …

Ans : Ecommerce security is the protection of e-commerce from unauthorized access,unauthorized usage, unauthorized alteration and unauthorized deletion.Therefore, the main objectives of security in e-commerce are the following:• Computer security: Protection of assets from unauthorized access, use,alteration or destruction. • Read More …