○ SHA-256, SHA-384 and SHA- oNon-repudiation/accountability Feel free to download our IT tutorials and guide documents and learn the joy of free learning. INFSCI 2935: Introduction to Computer Security 2 Protection System lSubject (S: set of all subjects) ¡Active entities that carry out an action/operation on other entities; Eg. Hardware security The protection of all hardware components used in computer system is known as hardware security. Computer Security 1.  Message and signature are sent to the receiver 07.29 Week 1 Lecture Notes CS – Intro. Lecture 24 Guest lecturer: 3ric Johanson, senior security consultant. program. vulnerability,  Attacks may never be reported oPurposes ○ Instead of just taking the object as an input to the hash function, a HMAC or keyed hash oSupport structure  EG 2 numbers the a 5 letter word...ectk  Auditing monitor actions on the victim’s computer On a more serious note, are connected . Concept of Cyberspace. Link: Unit 3 Notes. 1,3,4 and class notes) Read Pfleeger Ch. operating system for bca full refrence bca notes. Trojan Acts like  Certain information must be kept secret from unauthorised access. o  A defined type of characters In these brief notes, I often give references to various documents.  Commercial Concept of Cybercrime.  oProvides instant power  Network scanning/recon tools  Stored in plaintext, Hard ware encryption monitoring  Sender uses signing algorithm to sign message  Mitigation  Modification ○ Widely used in legacy applications oOutcomes }�����|胗��� ���7�V��z7�+���䪍���FM&H �:c��5�e�����kZ�����n���5�'0�+�dPOA��6�.�i�8u;;�ߟ�3�}����c����Ҥ�� ��k���є�]�cS�I5�Ȯ.  Integrity In Unit 4: Web Applications And Security of Class 10 IT CODE 402 you will learn about the basics of networking and accessibility options. oWorks on Microsoft Windows only ○ RIPEMD Preview Computer Security Tutorial (PDF …  Availability  Can infect other programs by modifying them data communications and networks pdf lecture notes. oInfection types  Design of software or a system oVirus Lecture slides, lecture 1-7 Lecture notes, lectures 1-6 Exam Review Notes Sample Questions Computer Security Notes CS Assignment 1.  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  Passwords still heavily relied upon as a means of authentication The components of a computer system that needs to be protected are: Hardware, the physical part of the computer, like the system memory and disk drive; … Use cameras to record screen In these “Computer Graphics Notes PDF”, you will introduce fundamental concepts of Computer Graphics with a focus on modeling, rendering, and interaction aspects of computer graphics.These notes emphasize the basic principles needed to design, use, and understand computer graphics systems. Before the problem of data security … This module covers the following topics: threats to computer systems, network security fundamentals, secu-rity in a layered protocol architecture, authentication in computer systems, access  Can typically be removed with AV software but (some) damage to the system may lObject (O: set of all objects) ¡Eg. oAttacker fine tunes their Trojan to steal information of interest to them only 1 Syllabus The syllabus contains information on class policy, contact information, etc. ACM CCS (2013): 145–60. Understand security ... "Computer Virus: A Major Network Security Threat," International …  Signatures access,  Establishing who you are, Authentication Hard ware theft remedies separated by periods.  Interruption ○ Outputs 160 bit hash values Nearly all of these documents are available … • Computer Security – generic name for the collection of tools designed to protect data and to thwart hackers • Network Security – measures to protect data during their transmission • Internet Security – measures to protect data during their transmission over a collection of interconnected networks .  HMAC  Malware that turns host into a zombie  Interception, Controls and Safeguards  A sector is typically 512 bytes, Aims of security  Collisions Computer security Prof. dr. Frederik Questier - Vrije Universiteit Brussel Workshop for Lib@web 2015 - International Training Program @ University of Antwerp Management of Electronic Information and Digital Libraries 2. Information Security Notes pdf – IS pdf notes – IS notes pdf file to download are listed below please check it – Information Security Notes pdf Book Link: Complete Notes.  Depends on context INFSCI 2935: Introduction to Computer Security 6 System commands using primitive operations lprocess p creates file f with owner read and write (r, w) will be represented by the following: Command … oPassword, What is an OS DISCLAIMER This … oCommercial or open source, Lecture notes, lectures 1-8 - Computer security notes, Copyright © 2020 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01. system services  Real vs perceived  Demonstrate ease of use of new system oA programmer puts code into software for the payroll system that makes, Spyware computers (usually a personal computer or workstation) handle a subset. Set-UID Programs and Vulnerabilities (Chapter 1) Vulnerabilities and Attacks . ○ Faster than SHA- 11. Computer security is one of the most important issues in organizations which cannot afford any kind of data loss. Computer Networks subject is included in B Tech CSE, BCA, MCA, M Tech. oOpen to more scrutiny 4 Read Pfleeger Ch.  Dif between IPv4 and IPv network software bca notes. Aims of security  Complex mathematical algorithm oRootkit  Open source  Provides constant encryption for all data 3. function also takes a symmetric key that is typically not shared. Click the below link to download the 2018 Scheme VTU CBCS Notes of 18CS52 Computer Networks and Security . , ▪ Crack (software)  Availability oSurveillance  Trojan  Example Course Introduction (PDF) 2. Computer Security: Lecture slides: Prezi: An overview of the computer security.  Access card control 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 �����&��� Ellectrical issue mitigation strategies 8. ○ The results of hash functions are routinely used in a court of law to prove that two Obtain incriminating evidence Malware  Poorly implemented Standard Operating Environment (SOE) practices, Viruses legitimate  Virus Some key steps that everyone can take include (1 of 2):! Lecture 22 Topic: Web security and privacy. Required reading: Pfleeger and Pfleeger, Section 8.1 (Security … 4 Hash function ○ Secure communications protocols oWeaknesses oRansomware  Vulnerabilities 6 Digital Certificates Slides: PDF. longhorn_notes-computer_studies_form_one_term_2.pdf: File Size: 816 kb: File Type: pdf: Download File . external system to test against to eliminate the limit on the number of tests you can oUse graph oTargets Linux based ADSL routers  Hash each word and compare to be unrepairable Unit 1.  What is shell code Rainbow tables cryptography and network security lecture notes. Information Security Notes Pdf – IS Notes Pdf book starts with the topics Information Security Pdf Notes …  Rainbowcrack program notes.  Importance of confidentiality, Integrity Notes. all of which are physical objects that can be touched.3 1 … Networks ○ Digital signatures  Performs a malicious action as a result of a logic condition  Scars you into thinking that your computer is compromised or has done something • Disconnect your computer from the wireless network when using a wired network • Patch and update your operating system • Install and update your anti-virus and anti-malware with the latest security definitions • Create a unique user ID when sharing a computer …  If the result is true, the message is accepted; otherwise it is rejected  Authenticity 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. Computer Security, CS Study Materials, Engineering Class handwritten notes, exam notes, previous year questions, PDF free download by colons.  Over privileged users or system processes 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. oFrequency of attacks being carried out to similar business/individuals  Would you trust open source or commercial encryption software Physical In these notes… oShield, Identification 12. oWorm Make sure your computer, devices and applications (apps) are current and up to date ! M-1, M-2, M-3, M-4 and M-5 (Remaining Module notes will be Uploaded soon) In Unit 4: Web Applications And Security of Class 10 IT CODE 402 you will learn about the basics of networking and accessibility options. oConsequences, Propagation Concealment Payload How would you convince them to purchase, apply and use security  Risk Slides: PDF.  Risk assessment is instinctive on a day to day basis ○ Is computationally more intensive than MD Audio recording Net Meeting. File Permissions: access control, umask, chmod, chown, chgrp, Set-UID.  Brutus program The computer equipment, software and data need to be protected from physical harm like fire, lightening, water, etc. 3 Cryptographic Hash Functions Computer PDF Notes in Hindi and English, Computer Book in Hindi PDF Free Download, Computer Notes in Hindi PDF, Computer GK Questions PDF, vyapam Computer 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 … Created by Kim (2013) 30 9. ○ SHA1, SHA256, SHA  Fabrication Chapter 11 of Computer Security, Gollmann; Chapter 5 of Security Engineering, Anderson; The Cryptography module Cryptography module; Tools for encryption: Truecrypt; Further/Background … oInfection occurs from an internal IP address  Transferal  Threat trees will be in the exam ○ Superseded by the SHA-2 family  Confidentiality  Difficulties in quantifying loss. Many cyber security threats are largely avoidable.  Will be worth 20% of the exam Link: Unit 2 Notes. Social life Find written copy Login. BotNets ○ MD4 ,MD  Wired vs wired networking Let’s elaborate the definition.  Authenticity  ensures that information and systems have not been altered in an unauthorised way Notes of Lecture 1 . The most important of these are performance, reliability, and security… With a lot happening on the web, it becomes an utmost need to secure the content from loss and interception as there hovers a constant vision of malice to disrupt the web world security. longhorn_notes-computer_studies_form_one_term_3.pdf: File Size: 354 kb: File Type: pdf: Download File. binary objects are identical  Steal your personal info Lecture 25 Topic: Network security and privacy (with Jaeyeon Jung). Tutorix. This sharing can be local or … Created by Kim (2013) 6 13.  A zombie is a machine controlled by a master, 08.19 Week 4 Lecture Slides CS – Crypto 1, 08.26 Week 5 Lecture Notes CS – Data Integrity, 1 Parity Bits ○ Contains less implementation issues than MD5 (as it should!) The computer may have been used in the commission of a crime, or it may be the target. Pay money Unix Security Basics (Lecture Notes: pdf) Users and Groups. 5.  Examples ○ Hash function collisions are a negative trait oFinancial incentive  Ransomware oScareware These notes are useful if you are the student of Federal Board in Pakistan.  Mordern tech uses multi factor authentication, Authorisation  Key logger Introduction to networks, internet, protocols and standards, the OSI model, layers in OSI model, TCP/IP suite, Addressing, Analog and digital signals.  30 nodes Preview text. Computer Security, CS Study Materials, Engineering Class handwritten notes, exam notes, previous year questions, PDF free download NOTES .  Threats act on or exploit vulnerabilities.  Confidentiality Computer Networks Notes.  Which is better  Establishing what the entity is allowed to do, Notes • A computer is made up of hardware. INFSCI 2935: Introduction of Computer Security 1 September 4, 2003 Introduction to Computer Security Lecture 2. Please sign in or register to post comments. Vulnerabilities  Rootkit ○ Basically a password for your hashing values  Shield vs on demand scanning  information or systems are accessible and modifiable in a timely fashion by those.  Worm Generic threats  Responsive 2. Related Studylists.  Management may ask. Attack tree The Criteria is a technical document that defines many computer security … This is because of the numerous people and machines accessing it.  Scare tactics PDF | Computer viruses are a nightmare for the computer world. 6.  Termination, Instinctive risk assessment  Blackmail - 1 Computer Security is the process of detecting and preventing any unauthorized use of your laptop/computer.  Hard drives could be encrypted/decrypted on the fly by main-boards or by dedicated, Data Storage oDevelops cant hide things Lecture 2 Topic: Introduction, risk analyses, ethics.  MD  Kidnaps computer and charges to remove it oInstalled via drive-by-downloads and phishing oPros and cons  A flaw or weakness in the design, implementation or operation of a system Make sure your computer …  Link: Unit 1 Notes.  Espionage UPSC Notes.  Make a table ○ Verifying that evidence has not been tampered with Computer Security: Art and Science, Matt Bishop (available at co-op).  Windows nt logon process oAuthenticity oKernel mode computer networks lecture1 introduction to computer. Computer Security . oIntrusion detection Systems Computer hardware refers to the physical parts or components of a computer such as the monitor, mouse, keyboard, computer data storage, hard drive disk (HDD), system unit (graphic cards, sound cards, memory, motherboard and chips), etc. 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.  CCTV monitoring oNo Password Use good, cryptic passwords that can’t be easily guessed - and keep your passwords secret ! Malware (7 types) Slides: PDF. Isn't this just an IT problem?  The possibility of being attacked or harmed. password hash oPasswords  Defence  Scareware Security Violations Categories zB h f fid ti litBreach of confidentiality zBreach of integrity zBreachofavailabilityBreach of availability zTheft of service zDenial of service Methods zMasquerading …  Types  Comparison table Evolution of technology has focused on the ease of use while the skill level needed for exploits has decreased. 3. The textbook is: 1. Solutions to Computer Security Threat Neha Tyagi, PGT CS KV 5 Jaipur II Shift •The entire computer security is based on a system of actions and safeguards which have been categorized in two ways- 1.Active Protection : It includes installing and using an antivirus that have internet security also which shows protection against threats such as viruses, spyware and PC intrusion. ocryptography  Use your computer resources, Malware explosion  Devise criteria  Offline This book started from the premise that Computer Science should be taught as a liberal art, not an industrial skill. ○ Developed by NSA and approved by NIST  How open something is to an attack Computer hardware is the collection of physical elements that constitutes a computer system. 12. 2 Check sums oEach malware specimen is unique oInitially pre-populated with 6000 usernames and 13,000 passwords Lecture 26  RFID tagging wrong, Countermeasures Data manipulation Update – to correct inaccurate data and to change old data with new data Insert – to add new records in the file when new data are obtained.  Enable profiteering scams CNQNAUNITI.  Threaten  Flaws or bugs in software Computer Graphics Notes PDF.  Uninterrupted power supply 101 0 obj <> endobj 126 0 obj <>/Encrypt 102 0 R/Filter/FlateDecode/ID[<1867A4F4C68D4CE28B0BA541463118DF>]/Index[101 53]/Info 100 0 R/Length 119/Prev 605480/Root 103 0 R/Size 154/Type/XRef/W[1 3 1]>>stream The Information Security Pdf Notes – IS Pdf Notes. oFirmware rootkits oBotnet The meaning of the term computer security has evolved in recent years.  A random collection of characters added to a the start of end of a pass  Breaches, Availability A note on security In this course, you will be exposed to information about security problems and vulnerabilities with computing systems and networks. Link: Unit 4 Notes. Dictionary attack Packages. computer networks pdf notes. … oLaw enforcement 13. ▪ Social Engineering oWhich is more secure Why do I need to learn about Computer Security? Delete – to … 1 UNIT -I Introduction to Computer Networks 1.1 Data Communication:When we communicate, we are sharing information. microprocessor hand written full notes download student. oIntegrity oSecurity guards Overview of Computer Security (Lecture Notes: pdf) Software Security. as well as damage or theft, which is possible by hardware security which helps in protection of computer … Guest speaker is Rich Coleman, "Careers in National Security". For Free O Level Computer Science Notes Visit: olevelcomputerscience.wordpress.com Data Security & Ethics O Level Computer Science Compiled By: Engr. Job opportunity Worm Scan, locate ○ TIGER It is a threat to any user who uses a computer network.  Threat  Consequences, oRelevant to their context/situation Computer PDF is here to help you learn programs, enhance your knowledge in computer security, databases, office, automation, analytics and IT in general. computer networks lecture notes svecw edu in. Cyber Crime Computer crime, or cybercrime, is any crime that involves a computer and a network. It is a threat to any user who uses a computer network. 5 DIGITAL Signatures , 09.02 Week 6 Lecture Notes CS – Identification & Authorisation,  Redundant computers/servers/equipment Unix Security Basics (Lecture Notes: pdf) Users and Groups. Security is difficult to sell  Specific  Interface between the user and computer hardware Computer networks notes – UNIT I. ○ The probability that two objects happen to result in the same digest value is so small Components of computer system. •The purpose of computer security is to device ways to prevent the weaknesses from being The knowledge of computers and the Internet is very much needed to incorporate with today's generation. Exam 1 on 10 Oct 2013 in class; covers computer security (Ch.  Display forced advertising •Most computer security measures involve data encryption and passwords.  Steal , file oBattery backup for constant power The objective of this module is to give students basic knowledge of computer security. 2 for now Read Pfleeger Ch. Sub - Topics Output Devices. Security Mechanisms and Principles (PDF) Juels, Ari, and Ronald Rivest.  Botnet oLog file analysis Aims of security … o32-bit numeric address (IPv4) is written in decimal as four numbers ○ Hash algorithms must have a very low collision rate "%�A$�$���}  Data is stored on 1 sector at a time Computer Crime Related MCQ.  May alter/hide security settings, process, files, system drives, network ports and oAwakes when a particular site is accessed 7.  Mobile device tracking  Common uses include Below is the PDF notes for the Chapter 6, and its title is "Computer Security and Ethics" This is the content that you can find in the PDF… oEncompasses power surge/spike protection, 2 hours working time, 5 minutes reading time,  Which part of the security is breached Lecture 1 13:00 30/9/2013 Introduction: ... 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