PPT-CS 4740/6740 Network Security

Lecture 10 Privacy on the Web History stealing Fingerprinting DNT etc Webonomics The Web has allowed free convenient services to proliferate Google Android Facebook Instagram Millions of smartphone apps. Network Security. Lecture . 8: Host-based Defenses. (Canaries, DEP, ASLR, CFI). Stack-Based Defenses. Canaries. Data Execution Prevention (DEP). Stack Overflow Defenses. Don't write vulnerable code (realistic?). Network Security. Lecture 1: Logistics. (a.k.a. The boring slides). Hello!. Welcome to CS 4740/6740. Are you in the right classroom?. Who am I?. Professor Christo Wilson. cbw@ccs.neu.edu. West Village H 248. Access. Networks. Core Networks. The Current Internet: Connectivity and Processing. Transit Net. Transit Net. Transit Net. Private. Peering. NAP. Public. Peering. PSTN. Regional. Wireline. Regional. Voice. To protect assets!. Historically done through physical security and closed . networks.. Purpose of Security. With the advent of personal computers, LANs, and the wide-open world of the Internet, the networks of today are more open.. Jaime Castañeda . jaimec@juniper.net. Systems Engineering Manager. CALA – Enterprise.. INSANITY DEFINED…. Doing the Same Old Things & Expecting Different Results. Scalability?? . --> network . Why wireless?. Wifi. , which is short for wireless . fi. … something, allows your computer to connect to the Internet using magic.. -Motel 6 commercial. 2. … but it comes at a price. Wireless networks present security risks far above and beyond traditional wired networks. Network Security. Lecture . 8: Host-based Defenses. (Canaries, DEP, ASLR, CFI). Stack-Based Defenses. Canaries. Data Execution Prevention (DEP). Stack Overflow Defenses. Don't write vulnerable code (realistic?). 8-. 1. Security in the layers. 8: Network Security. 8-. 2. Secure sockets layer (SSL). Transport layer security to any TCP-based app using SSL services. . Used between Web browsers, servers for e-commerce (https).. By Kelly Crancer. p. 328. Security. 670,000 account numbers and balances were seized by New Jersey mastermind.. Bank of America, Commerce Bancorp, PNC Financial Services Group, and Wachovia were the victims. 2. High. Risk. Medium Risk. Low Risk. Cost. Low. Medium. High. Used by. Universities. Companies & organizations. Military organizations. Vulnerability to attacks. High. Medium. Low. Security. Risk. workerscompucreduFor Job Code 4740 unpaid the criteria set forth in the Department of Labor146s 6Point Factor Testmust be met For Job Code 9920 departments must comply with UC Policy 65085 Volunteer The Benefits of Reading Books,Most people read to read and the benefits of reading are surplus. But what are the benefits of reading. Keep reading to find out how reading will help you and may even add years to your life!.The Benefits of Reading Books,What are the benefits of reading you ask? Down below we have listed some of the most common benefits and ones that you will definitely enjoy along with the new adventures provided by the novel you choose to read.,Exercise the Brain by Reading .When you read, your brain gets a workout. You have to remember the various characters, settings, plots and retain that information throughout the book. Your brain is doing a lot of work and you don’t even realize it. Which makes it the perfect exercise! The Security Problem. Program Threats. System and Network Threats. Cryptography as a Security Tool. User Authentication. Implementing Security Defenses. Firewalling to Protect Systems and Networks. Computer-Security Classifications. Introduction to Networks v7.0 (ITN). Module Objectives. Module Title: . Network Security Fundamentals. Module Objective. : . Configure switches and routers with device hardening features to enhance security..