Carbohydrates & Glycobiology Dr. Jeelan Moghraby B.Sc.‚ D.Phil Assistant Professor Email: moghrabyj@ksau-hs.edu.sa Lecture 13 & 14 BIOC211 2013 Objectives Describe the structure of carbohydrates Classify the types of carbohydrates Recognise different types of glycoconjugates and their role Dr. Jeelan Moghraby Introduction Carbohydrates Most abundant organic molecule in nature Empirical formula (CH2O)n Originally produced from CO2 and H2O during
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21 Nov 2011 Hacking Defense Against Denial of Service (DoS) Attacks P a g e | 1 B. Executive Summary: Measures to counter University Distributed Denial of Service (DDoS) attack. A DDoS attack against the Universities Registration System Server (RSS) by infected computers (Bots) located in the University Computer Labs (see diagram) resulted in shutting down access to the RSS system. Orchestrated and controlled by a central controller these Bots established web connections (HTTP protocol)
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Genocide. The killing of hundreds of people. The extermination of a nation. Such a thing may sound too horrible to be true‚ but it happens right under our very noses. And what is even worse‚ is when such tragic events are not recognized as what they are‚ or simply forgotten. Such is the case of the Armenian Genocide‚ also referred to as the Forgotten Genocide‚ the Hidden Holocaust‚ the Secret Genocide‚ or the Unremembered Genocide (Balakian xvii). The Jewish Holocaust is well known
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complete their attacks. In my opinion‚ no one specifically is to blame for the attacks‚ but there were certain elements that contributed to the event. 9-11 Errors It has been well known that the U.S. Government likes to keep secrets. One of the most important factors is the government agencies lack of communication with each other. That could have‚ and should have been utilized and maybe 9/11 would have been prevented. A week before the attacks there was a teletype
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board has inquired into database security and would like to have more information on what would be the best methods for the company to implement. As the chief security and compliance officer‚ I have investigated several different threats and in the following I will explain these threats and what can be done to prevent them. SQL Injection Attacks SQL injection is an attack on databases through the use of websites. This is done through the insertion of malicious code that is then passed into an
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industrial base‚ Emergency services‚ Energy‚ Financial services‚ Food and agriculture‚ Government facilities‚ Health care and public health‚ Information technology‚ Nuclear reactors‚ nuclear materials‚ and waste‚ Transportation systems‚ and Water and wastewater systems. Technological advancement‚ increasing use of the internet‚ coupled with the interdependencies of information technology had and continue to have a direct effect on critical infrastructure attacks. These attacks and threats unfortunately
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Attacks from the Insiders Kevin Greene CMGT/441 David Kell June 24‚ 2013 One of the most common concerns in putting together a comprehensive information security plan is to have a watchful eye on your own team members and fellow employees within the company. The people on the inside are the one’s who are granted the most access in the first place‚ therefore taking the appropriate precautions concerning them is of the utmost importance. The article
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deliberately‚ as happened in Brussels last September when about 100 trucks slowed traffic entering the city as part of a planned protest. Last week‚ a small Dutch Internet service provider called CyberBunker initiated a traffic jam of its own. Its apparent goal wasn’t to slow down the entire Internet but to bring down the services of Spamhaus -- a spam fighting organization that had added CyberBunker to its block lists for allegedly allowing its customers to send spam around the world. CyberBunker
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including • Internet searches • Dumpster diving • Domain name management/search services • Non-intrusive network scanning • Social engineering Phase 2 - Scanning Once you have enough information to understand how the target works and what information of value might be available‚ you begin the process of scanning perimeter and internal network devices looking for weaknesses‚ including • Open ports • Open services • Make and model of each piece of LAN/WAN equipment • Vulnerable applications
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Instructor’s Name Date Redistan Cyber Attack The botnet type of cyber-attack that targeted the US defense firm is espionage. The attack did not result in any physical damage but compromised significant technological secrets about a new surveillance. The features of this damage relate to espionage where a perpetrator gains unauthorized access to confidential information of government or another individual. The absence of tangible physical damage and casualties in the attack informs the decision that it was
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