Aliens Wiki
Cinematic Knowledge Experience
0%
Aliens Wiki
Now Playing
Aliens Wiki · HIEN
⌨️ Keyboard Shortcuts
→Next slide ←Previous slide SpacePlay / Pause MNarration on/off FFullscreen ?Show/hide this
Press any key to close
Wiki Article · Cinematic

CodeHeader:

Name: Permission Model — Aliens Wiki HIEN Article Version: 1.0.0 Author: A'nil Cyborg Author URI:…

Overview
🌟

CodeHeader: — Quick Facts

📌

Infobox: Details

🎯

Full Name: Permission Model (Access Control…

⚡

Also Known As: Authorization Model, Security…

🔑

Category: Computer Science / Security /…

Topic 1
✨

Kyun Zaroori Hai — Why Models Matter

💡

Ad-hoc checks: Har developer apne…

🔑

Inconsistency: Same action alag…

⚡

Untestable: Koi nahi prove kar…

🎯

Unscalable: New permissions add…

Topic 2
📥 ⚙️ 🔬 💡

Permission Model Ka Anatomy

💡 Har permission model me kuch fundamental building blocks hote hain: `mermaid flowchart TD…
Topic 3
📥 ⚙️ 🔬 💡

Access Control Matrix — Foundation

💡

Rows = Subjects

🔑

Columns = Objects

⚡

Cells = Allowed actions

Topic 4
📥 📥 🧠 🔬 💡 🎯

Model Classification — Overview

⭐ Permission models ko multiple dimensions par classify kar sakte hain: By Control…
Topic 5
🔑

DAC — Discretionary Access Control Model

🔑 Model Definition DAC me resource ka owner decide karta hai ke kaun access kar sakta hai.…
Topic 6
✨

MAC — Mandatory Access Control Model

✨ Model Definition MAC me system policy centrally decide karti hai — individual users…
Topic 7
🔒

Bell-LaPadula Model (Confidentiality)

💡

Classified documents leak na hon

🔑

Lower clearance personnel higher…

⚡

Information sirf "up" flow kare…

Topic 8
✨

Biba Model (Integrity)

💡

Financial systems (transaction…

🔑

Software supply chain (trusted…

⚡

Medical records (data accuracy)

🎯

Critical infrastructure controls

Topic 9
📚

Clark-Wilson Model (Commercial Integrity)

💡

Separation of Duties: Ek hi person…

🔑

Well-Formed Transactions: Data…

⚡

Audit: Har change traceable hai

🎯

Practical: Business applications…

Topic 10
📥 📥 🧠 🔬 💡 🎯

Chinese Wall Model (Conflict of Interest)

💡 Overview Brewer-Nash model (1989) jo conflict of interest situations handle karta hai.…
Topic 11
🔒

RBAC Model — Role-Based

🎯 Formal Definition (NIST) RBAC model formally define karta hai: ` Components: USERS: Set…
Topic 12
✨

ABAC Model — Attribute-Based

⭐ Formal Definition (NIST SP 800-162) ` Components: S_attrs: Subject attributes {…
Topic 13
✨

PBAC Model — Policy-Based

🔑 Concept PBAC me permissions centrally authored policies me encoded hoti hain. ABAC ka ek…
Topic 14
✨

ReBAC Model — Relationship-Based

✨ Concept ReBAC me permissions relationships se derive hoti hain — entities ke beech ka…
Topic 15
✨

Capability-Based Model

🌟 Concept Capability-based model me access control subject ke paas ek unforgeable token…
Topic 16
🚀

Lattice-Based Models

💡

Information flow control…

🔑

Composition: Do labels ka…

⚡

Bell-LaPadula aur Biba dono…

🎯

Mandatory labels lattice ordering…

Topic 17
📥 ⚙️ 🔬 💡

Hybrid Models — Real World Approach

📚 Real-world systems me pure models rarely use hote hain. Practical systems hybrid approach…
Topic 18
📥 ⚙️ 🔬 💡

Formal Verification of Permission Models

💡

"No unclassified user reads…

🔑

"No single user can both authorize…

Topic 19
✨

Model Comparison — Decision Matrix

🎯 Comprehensive Comparison Table | Criterion | DAC | MAC | RBAC | ABAC | PBAC | ReBAC |…
Topic 20
⭐

Model Selection Guide

⭐ Decision Flowchart `mermaid flowchart TD A[Start: What kind of system?] -->…
Topic 21
✨

Modern Implementations

🔑 Major Platform Permission Models | Platform | Permission Model | Details | |---|---|---|…
Topic 22
✨

Common Problems

✨ Problem 1: Wrong Model Selection Scenario: Startup ne simple CRUD app me full ABAC…
Topic 23
📥 📥 🧠 🔬 💡 🎯

Best Practices

🌟 Practice 1: Start Simple, Evolve Gradually Pehle RBAC implement karo (3-5 roles). Jab…
Topic 24
📥 📥 🧠 🔬 💡 🎯

History / Timeline

🚀 | Year | Event | |---|---| | 1965 | Multics OS ne hardware-enforced protection rings…
Topic 25
📥 📥 🧠 🔬 💡 🎯

Glossary

📚 | Term | Definition | |---|---| | Permission Model | Formal framework jo define karta hai…
Topic 26
✨

Disclaimer

💡 Yeh article sirf educational aur informational purposes ke liye hai. Permission models ka…
Comparison
✨

Model Comparison — Decision Matrix

⚖️

Control: Owner

⚖️

Granularity: Object

⚖️

Flexibility: Medium

Diagram
📥 ⚙️ 🔬 💡

Visual Flow

📊 Diagram visualization — details in narration
Diagram
📥 ⚙️ 🔬 💡

Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

📖

Permission

🔗

Permission_management

💡

Access_control

📚

Authentication

🔑

Authorization

🌐

Role-based_access_control

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

CodeHeader: ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

CodeHeader: ka 'Full Name' kya hai?

Complete! 🎉
COMPLETE

CodeHeader: Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

✅

CodeHeader: Complete

➡️

Permission

1/35
0:00
REC 00:00ESC=Cancel
Aliens School
3
Recording shuru hone wali hai...
✅
Recording Complete
Video process ho rahi hai...
Live Class
Slide 1 / 7
Timer
00:00
📝 Speaker Notes
—
⏭️ Up Next
—
—
🗂️ All Slides