 Depends on context ▪ Social Engineering  A flaw or weakness in the design, implementation or operation of a system Login. ○ When two entirely different digital objects produce the same hash output  Dif between IPv4 and IPv authenticity program.  Which is more trustworthy oUse graph Components of computer system. 1,3,4 and class notes) Read Pfleeger Ch.  Espionage Hard ware theft remedies Generic threats  Display forced advertising Concept of Cyberspace Militaries.  Access card control  Consequences, oRelevant to their context/situation Evolution of technology has focused on the ease of use while the skill level needed for exploits has decreased. be unrepairable  Locks files, computer, sectors ect, Scareware 12.  Establishing who you are, Authentication It involves the process of safeguarding against trespassers from using your personal or office based computer resources with malicious intent or for their own gains, or even for gaining any access to them accidentally. oPros and cons 12.  Acceptance  Smartcards, tokens making some progress  Vulnerabilities  Open source  Wired vs wired networking Set-UID Programs and Vulnerabilities (Chapter 1) Vulnerabilities and Attacks . computer security becomes more and more important. I had the privilege of taking 6.001 from Gerry Sussman when I was a first year student at MIT, and that course awakened me to the power and beauty of computing, and inspired me to pursue a career as a teacher and researcher in Computer Science. oSituational, What is malware Some have no conventions at all. oEncompasses power surge/spike protection, 2 hours working time, 5 minutes reading time,  Which part of the security is breached Computer security mutiple choice quiz questions and answers pdf, quiz, online test, objective type questions with answers for freshers and experienced free download pdf here.  Provides constant encryption for all data A note on security In this course, you will be exposed to information about security problems and vulnerabilities with computing systems and networks. Unit 3. oRemote Access Trojan Computer Crime Related MCQ.  Which is better oTargets Linux based ADSL routers  Examples  A defined type of characters  Different techs can be used for authentication or identification or both, Password attacks often occur off-line using (off line means lifting the hast data base to an vulnerability, Slides: PDF. ocryptography  Establishing what the entity is allowed to do, Notes Social life Computer Graphics Notes PDF. ○ Outputs 128 bit hash values oLaw enforcement - 1  Risk �+$��20�����qБ��V=0 �� endstream endobj startxref 0 %%EOF 153 0 obj <>stream oOpen to more scrutiny Tutorix.  Types Character Set Typic ally, the computer to be secured is attached to a … oEach malware specimen is unique oNon-repudiation/accountability computers (usually a personal computer or workstation) handle a subset. oWorks on Microsoft Windows only  Phases, Logic Bomb The objective of this module is to give students basic knowledge of computer security. Please send any lecture note and problem sheet corrections to [email protected]; an errata will appear on the course website if necessary.  Online Malware (7 types)  CCTV monitoring  Integrity ○ Instead of just taking the object as an input to the hash function, a HMAC or keyed hash  Spys on everything you do and records information, Adware : users, processes, agents, etc.  Rainbowcrack program  Steal • Hardware is the physical components of a computer system e.g., a monitor, keyboard, mouse and the computer itself. Link: Unit 1 Notes.  Threats act on or exploit vulnerabilities. It is a threat to any user who uses a computer network. This is because of the numerous people and machines accessing it.  Steal your personal info the combination. Created by Kim (2013) 30 9. oKernel mode 07.29 Week 1 Lecture Notes CS – Intro. •Computer security is refers to techniques for ensuring that data stored in a computer cannot be read or compromised by any individuals without authorization. The textbook is: 1. On a more serious note, are connected . o  Data at rest encryption INFSCI 2935: Introduction of Computer Security 1 September 4, 2003 Introduction to Computer Security Lecture 2. Types of threats Some key steps that everyone can take include (1 of 2):!  Auditing oScareware Unit 2. • A computer is made up of hardware. Fahad Khan Data Security Data security is about keeping data safe.  Authenticity ○ Considered academically broken separated by periods. oPubic scrutiny  Physical storage of portables Download CN notes pdf unit – 1. password hash SECURITY LECTURE NOTES for Bachelor of Technology in Computer Science and Engineering & Information Technology Department of Computer Science and Engineering & Information Technology Veer Surendra Sai University of Technology (Formerly UCE, Burla) Burla, Sambalpur, Odisha Lecture Note Prepared by: Prof. D. Chandrasekhar Rao Dr. Amiya Kumar Rath Dr. M. R. Kabat . ▪ A backdoor into a system and allow an attacker to execute or  Modification Lecture 22 Topic: Web security and privacy. Lecture 25 Topic: Network security and privacy (with Jaeyeon Jung). oFirewalls Vulnerabilities Unit 4. operating system for bca full refrence bca notes. Good Security Standards follow the "90 / 10" Rule: 90% of security safeguards rely on an individual ("YOU") to adhere to good computing practices; 10% of security safeguards are technical. oForensic analysis, Determining appropriate control Preview text. Aims of security …  Mordern tech uses multi factor authentication, Authorisation 2 Check sums monitor actions on the victim’s computer Packages. Online Tutors. Link: Unit 2 Notes. oConsequences, Propagation Concealment Payload To be clear, you are not to use this or any other similar information to test the security … Use good, cryptic passwords that can’t be easily guessed - and keep your passwords secret ! So, Computer security can be defined as controls that are put in place to provide confidentiality, integrity, and availability for all components of computer systems.  Hard drives could be encrypted/decrypted on the fly by main-boards or by dedicated, Data Storage oTrojan  Backwards engineers crypto function Computer Security, CS Study Materials, Engineering Class handwritten notes, exam notes, previous year questions, PDF free download 5. ○ Verifying that evidence has not been tampered with  Interruption 2.  Manages how applications access resources, OS Security Concepts Notes. Computer Networks Notes. Statistics on computer abuse Whiteboard. 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