Authorization
Duration: 2 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- About Course: About the Course
- Paper 2 | Digital Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep
- Paper 2 | Computer Organization And Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Control Unit Design, Instr Formats & Modes, Programming the Basic Computer
- Paper 2 | Analog And Digital Communication: Introduction to Communication Systems & Random Signals, Analog Communication Systems, Information Theory & Digital Communication Fundamentals, Digital Modulation & Detection Techniques, Error Control, Synchronization & Multiple Access Techniques
- Paper 2 | Programming in C: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
- Paper 2 | Data Structures And Programming: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Java, OOPS with C++, Java Fundamentals, Array, String, IO & References
- Paper 2 | Algorithms: Algorithm Analysis, Sorting Algorithms, Time Complexity Analysis, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos
- Paper 2 | Compiler Design: Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
- Paper 2 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Unix OS, Linux OS
- Paper 2 | Databases: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, Relational Calculus, File Organization & Indexing, Transaction Management, Concurrency Control
- Paper 2 | Information Systems and Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
- Paper 2 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware Basics
- Paper 2 | Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, HTML Basics, JavaScript-Basics, CSS, XML, HTML5
- Paper 2 | Cyber Security And Emerging Technologies: Emerging Tech Trends
- Paper 2 | Cloud Technology: Cloud Computing
- Paper 2 | Probability and statistics: Probability, Statistics
- Paper-1 English: Vocabulary, Preposition, Articles, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Cloze Test (Cloze Passage), Sentence Construction
- Paper 1 General Mental Ability & Logical reasoning: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Percentage, Average, Powers and Exponents (Surds and Indices), Algebra, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Pipe and Cistern, Mensuration and Geometry, Mental Ability, Age Problems, Partnership, Arithmetic, Speed Mathematics and Basic Mathematics, Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Selection Decision Table (Decision Making), Logical Sequence Of Words, Venn Diagram, Analogy
- Paper-1 General Knowledge & Current Affairs: State Wise GK, History, Geography, GK- Current Affairs, Static General Knowledge
- Full Length Mock Test:
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
The video lecture explains the concept of Authorization within network security. It defines authorization as the process of determining how an authenticated user is permitted to use specific resources. The instructor explains that an authorization mechanism automatically enforces a management policy regarding resource object use. She provides examples of resources in a computer system, which typically include data files, operator commands, transaction I/O devices, and program processes. The lecture emphasizes that specific rules for authorizing access to data objects usually enforce confidentiality and integrity by either granting or denying access to read, modify, or create data records. Furthermore, the instructor notes that authorization grants privileges to processes and users and allows security administrators to control parts of a network.
Chapters
0:00 – 2:00 00:00-02:00
The instructor begins by defining Authorization as the process of determining how an authenticated user is permitted to use specific resources. She explains that an authorization mechanism automatically enforces a management policy regarding resource object use. She lists examples of resources in a computer system, such as data files, operator commands, transaction I/O devices, and program processes. On the right side of the screen, she writes down examples of user roles and their potential access levels, including "System", "Education -> Priviled", "Student -> S", "Team", and "Administrator", illustrating the concept of privilege assignment. She also discusses how authorization rules enforce confidentiality and integrity.
2:00 – 2:15 02:00-02:15
The instructor continues by explaining that specific rules for authorizing access to data objects usually enforce confidentiality and integrity. She underlines the text "granting or denying access to read, modify or create data records" and "controlling the creation or deletion of data objects". She further clarifies that while authentication controls who can access network resources, authorization says what they can do once they have access. She underlines "Authorization grants privileges to processes and users" and "Authorization lets a security administrators control part of a network, for example, directories and files on servers". She also briefly introduces the next topic, "Auditing and Accountability".
The lecture progresses from defining authorization as a post-authentication step to detailing its practical application in network security. It connects the theoretical definition with concrete examples of resource control, such as data files and I/O devices. The instructor bridges these concepts by illustrating how different user roles, like administrators and students, are assigned specific privileges through authorization policies. This ensures that while authentication verifies identity, authorization strictly governs the scope of actions, thereby maintaining system confidentiality and integrity.