PPT-Firewalls and Intrusion Detection Systems David Brumley dbrumley@cmu.edu

Firewalls and Intrusion Detection Systems David Brumley dbrumleycmuedu Carnegie Mellon University IDS and Firewall Goals Expressiveness What kinds of policies can we write Effectiveness How well does it detect attacks while avoiding false positives. edu Abstract The automatic exploit generation challenge is given a program automatically 64257nd vulnerabilities and gener ate exploits for them In this paper we present AEG the 64257rst endtoend system for fully automatic exploit gener ation We use rebert dbrumley cmuedu Abstract In this paper we present M AYHEM a new sys tem for automatically 64257nding exploitable bugs in binary ie executable programs Every bug reported by M AYHEM is accompanied by a working shellspawning exploit The working INTRO TO INTRUSION ALARM. INTRUSION ALARM TECHNOLOGY. An intrusion detection system consists of several different system components wired together to provide protection of persons and property.. INTRUSION ALARM TECHNOLOGY. Correspondingauthor.E-mailaddresses:yihchun@cs.cmu.edu(Y.-C.Hu),dbj@cs.rice.edu(D.B.Johnson),perrig@cmu.edu(A.Perrig).1570-8705/$-seefrontmatter2003PublishedbyElsevierB.V.doi:10.1016/S1570-8705(03)000 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. 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. . (THE FUN STUFF). Sponsor. Relations and Grievance Advisory Committee. DISCLAIMER. THIS PRESENTATION IS PROVIDED “AS IS” WITHOUT ANY WARRANTIES OF ANY KIND, INCLUDING, BUT NOT LIMITED TO THE WARRANTIES OF UNDERSTANDING, INTERST, KNOWLEDGE, TIME WASTING, LEGAL THEORIES, LEGAL OPINIONS, TITLE, INFRINGEMENT, PRESENTATION FOR A PARTICULAR PURPOSE, OR ENTERTAINMENT.. &. 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. 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. Milad Ghaznavi. 1. Outline. Introduction. Dataset. Multi Layer Perceptron. Convolutional Neural Network. Evaluation. Related Work. Conclusion. 2. Introduction. Intrusion Detection. Background. 3. Intrusion Detection. CS 469: Security Engineering. These slides are modified with permission from Bill Young (. Univ. of Texas). Coming up: Intrusion Detection. 1. Intrusion . Detection. An . intrusion detection system . Roger . Brewer, Josh Nagashima,. Mark Rigby, Martin Schmidt, Harry O’Neill. February 10, . 2015. contact: roger.brewer@doh.hawaii.gov. Reference. Roger . Brewer & Josh Nagashima. : Hawai’i Dept of Health.