PPT-Intrusion Detection Research

Stephen Huang Sept 20 2013 News 2 httparstechnicacomsecurity201309meethiddenlynxthemostelitehackercrewyouveneverheardof 3 Jobs httpwwwhomelandsecuritynewswirecomdr20130809cybersecurityjobsaverageover100000ayear. C Berk ele Dre Dean Xer ox ARC Abstract One of the primary halleng es in intrusion detection is modelling typical application behavior so that we can ec gnize attac ks by their atypical ef fects without aising too many false alarms show h 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.. Intrusion Detection. modified from slides of . Lawrie. Brown. Intruders. classes:. two most publicized threats to security are malware and intruders. generally referred to as a . hacker. or . cracker. Stephen Huang. Sept. 20, 2013. News. 2. http://arstechnica.com/security/2013/09/meet-hidden-lynx-the-most-elite-hacker-crew-youve-never-heard-of/. 3. Jobs. http://www.homelandsecuritynewswire.com/dr20130809-cybersecurity-jobs-average-over-100-000-a-year. Main Advantages. H . 2. 1. Fiber Optics Technology. . -Covert design. Caused no physical alteration to present building outlook. -Full Fiber Structure thus immune to lightning strike and EMI. 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. 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. . Yanyan . Ni, . Yeze. Li. Outline. Introduction. System Model. Model and Analysis. Parameterization. Numeric Data. Introduction. Cyber physical system(CPS) . comprises sensors, actuators, control units, and physical object for controlling and protecting a physical infrastructure.. /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. C. Edward Chow . Department of Computer Science. Outline of the Talk. Overview of . DDoS. Intrusion Tolerance with Multipath Routing . Secure DNS with Indirect Queries/Indirect Addresses. Multipath Indirect Routing. Snort. Freeware.. Designed as a network sniffer.. Useful for traffic analysis.. Useful for intrusion detection. .. Snort. Snort is a good sniffer.. Snort uses a detection engine, based on rules.. Packets that do not match any rule are discarded.. /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: . 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..