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DNS Cache Poisoning attack and ways to reduce the attack

The following is a white-paper, written by Albert Ninyeh (Ponic), a friend and co-member of a Facebook group, African IT Professionals. The post is with permission of the author.

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DNS Cache Poisoning attach and ways to reduce the attack by Albert Ninyeh.

Abstract
The internet could have not been possible with a DNS Server, because without it, computers around the world could not communicate, they would not know where to get request from when a user tries to access a particular website. This paper is going to talk about DNS cache poisoning, countermeasures and ways to prevent it. Since the rapid growth of the internet fraudulent people are also taking advantage of new technologies and way we communicate and these results in the term “Phishing”, the term "phishing" was made in 1996 as time went on, new techniques where introduce from this same “Phishing attack”; some namely: Pharming, Vishing, Smsishing and Tabnabbing etc.

Keywords
Spoofing, Phishing, DNS, DNSSEC, BIND, External DNS, Internal DNS, Zone Transfer, TSIG, Dynamic DNS Updates, Digital Signatures, HTTPS, NAT, PAT, TCPWave, OpenDNS, Man-In-The-Middle

Contents
1) What is a DNS Server
2) DNS Cache Poisoning
3) Consequences of DNS Cache Poisoning
4) Prevention and mitigation
5) Phishing Attack
6) Recent phishing attempts
7) Link manipulation
8) Damage caused by phishing
9) Tabnabbing
10) Pharming
11) Phishing
12) Smsishin

The article is in PDF format and is available in our Freebies / PDFs section.

After reading through, please dont forget to leave comments for the author.

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