PPT-Network Intrusion Detection Systems

Presented by Keith Elliott Background Why are they used Movement towards more secured computing systems Management is becoming cognizant of growing cyberthreats Where are they used Medium to Large . 11. Intrusion Detection (. cont. ). modified from slides of . Lawrie. Brown. Security Intrusion. : A security event, or a combination of multiple security events, that constitutes a security incident in which an intruder gains, or attempts to gain, access to a system (or system resource) without having authorization to do so.. 14. Intrusion Detection. modified from slides of . Lawrie. Brown. Classes of Intruders – Cyber Criminals. Individuals or members of an organized crime group with a goal of financial reward. Their activities may include: . Fifth Edition. by William Stallings. Chapter 11. Intruders. They agreed that Graham should set the test for Charles Mabledene. It was neither more nor less than that Dragon should get Stern’s code. If he had the ‘in’ at Utting which he claimed to have this should be possible, only loyalty to Moscow Centre would prevent it. If he got the key to the code he would prove his loyalty to London Central beyond a doubt.. Intruders. WenZhan. Song. Cryptography and Network Security. 1. Intruders. Three classes of intruders:. Examples of Intrusion. Performing a remote root compromise of an e-mail server. Defacing a Web server. Intruders. Classes (from [ANDE80]:. two most publicized threats to security are malware and intruders. generally referred to as a . hacker. or . cracker. Examples of Intrusion. remote root compromise. Paper by: T. Bowen. Presented by: Tiyseer Al Homaiyd. 1. Introduction: . Intrusions: show observable events that deviate from the . norm.. Survivable system usually focus on detecting intrusions rather than preventing or containing damage. . Reuven, Dan A. .. Wei. , Li. Patel, Rinku H. .. Background. Definition of Intrusion Detection. A device dedicated to monitoring network and system resources of a company for signs of malicious activity or unauthorized access. Anomaly-based . Network Intrusion . Detection (A-NIDS). by Nitish Bahadur, Gulsher Kooner, . Caitlin Kuhlman. 1. PALANTIR CYBER An End-to-End Cyber Intelligence Platform for Analysis & Knowledge Management [Online]. Available: . &. Intrusion . Detection Systems. 1. Intruders. Three classes of intruders:. Examples of Intrusion. Performing a remote root compromise of an e-mail server. Defacing a Web server. Guessing and cracking passwords. /dr. x. Logistics. Programming homework: extra 4 days. Midterm date: Wednesday, March 1. Duration: 60 mins. Presentations: next . Rich Nelson. Reports: can you see my comments, feedback on Oaks?. L1: many reports did not even have a sentence with intro/conclusions. /dr. x. Logistics. Command Line Lab on Thursday: please bring your laptops. Keep up with the reading . – Midterm on March 2. nd. . . Computer Networks Basics: OSI stack, subnets, Basic protocols: ARP, ICMP, NAT, DHCP, DNS, TCP/IP. modified from slides of . Lawrie. Brown. Classes of Intruders – Cyber Criminals. Individuals or members of an organized crime group with a goal of financial reward. Their activities may include: . Fourth Edition. By: William Stallings and Lawrie Brown. Chapter . 8. Intrusion Detection. Classes of Intruders –. Cyber Criminals. Individuals or members of an organized crime group with a goal of financial reward. What is an IDS?. An . I. ntrusion . D. etection System is a wall of defense to confront the attacks of computer systems on the internet. . The main assumption of the IDS is that the behavior of intruders is different from legal users..