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The first and foremost need of any business is a role to perform for its client base, and for the spammer this will typically be the role of advertising products which, due to their unscrupulous nature, could not be advertised via some legal mainstream routine.
Next, the prerequisite for advertising for a product generally includes-
The first prerequisite of collecting email addresses is generally fulfilled by a technique known as harvesting. Spammers generally collect email addresses from chat-rooms, newsgroups, web-sites, customer lists and viruses who harvest the user's address books. A practice called 'epending' is also used in which known information is used to get the email address of the receiver. It follows that if we want to put a stop to spam, the only real solution is to block SPAM at the exchange server level, before it can reach the user's mail box. The steps taken in this regard typically include:
1. We used the National Vulnerability Database. Select a recent vulnerability from that Database and analyse it from the following aspects: Criticality level Impact in
UDP DATAGRAM FORMAT: It is given in the figure below:
(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
Advantages and Disadvantage of Packet Filtering firewall Advantages One screening router can help protect entire network One key advantage of packet filter
Encryption Key Size When using ciphers, the size of crypto variable or key is quite important as the strength of many encryption applications and cryptosystems were measured by
which security protocols are predominantly used in web-based e-commerce
what is hacking
Hybrid Cryptography Systems This makes use of different cryptography systems. Except digital certificates, pure asymmetric key encryption is not used extensively. Asymmetric enc
INFORMATION SECURITY POLICY PRACTICES AND STANDARDS Management from all the communities of interest should consider policies as basis for all information security efforts. Polic
Question: (a) African governments are slowly shifting to more transparent ICT regulations. However, but limited spectrum availability remains a key barrier to sustaining lon
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