#Authentication

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#Authentication Reel by @mission_compile - Backend concepts you should know 👇🏻
Comment "link" to get this document in Dm 

Core Concepts
	1.	What is an API
	2.	REST vs GraphQL
	3.	HTTP method
596.2K
MI
@mission_compile
Backend concepts you should know 👇🏻 Comment "link" to get this document in Dm Core Concepts 1. What is an API 2. REST vs GraphQL 3. HTTP methods (GET, POST, PUT etc) 4. HTTP status codes (2xx, 4xx, 5xx) 5. Stateless vs Stateful APIs 6. Authentication vs Authorization 7. Session-based auth vs JWT 8. OAuth 2.0 (Login with Google, GitHub, etc.) 9. Rate limiting vs Throttling 10. Idempotency (especially for payments) ⸻ Databases & Data Handling 11. SQL vs NoSQL — when to use what 12. Indexes and how they speed up queries 13. ACID properties 14. Transactions & isolation levels 15. Database normalization vs denormalization 16. Pagination (offset vs cursor-based) 17. Sharding & partitioning 18. Read replicas & write scaling 19. Handling duplicate records 20. Optimistic vs pessimistic locking ⸻ Caching & Performance 21. What is caching and where to cache 22. Cache eviction strategies (TTL, LRU) 23. Cache consistency & stale cache problems 24. CDN and edge caching 25. Why cache can make systems wrong ⸻ Distributed Systems & Scaling 26. Load balancing (round-robin, least connections, hashing) 27. Horizontal vs vertical scaling 28. Microservices vs monoliths (trade-offs) 29. Service-to-service communication (sync vs async) 30. Message queues (Kafka, RabbitMQ, SQS) ⸻ Reliability & Real-World Problems 31. Exactly-once vs at-least-once processing 32. Retries, timeouts, and circuit breakers 33. Handling race conditions 34. Distributed locking 35. Event-driven architecture 36. Saga pattern (distributed transactions) 37. Graceful degradation 38. Observability (logs, metrics, tracing) 39. Deployments (blue-green, rolling) 40. Handling traffic spikes & viral load #BackendEngineering #SystemDesign #softwareengineering #softwareengineer #techcareers (backend interview preparation, system design concepts, API basics, backend engineering roadmap, software engineering interviews)
#Authentication Reel by @legitappcom - Seeing Louis Vuitton logo the right way. 👀👀👀 If the sharp corners aren't sharp, walk away! 💨

#LegitApp #AuthClass #authentication
1.8M
LE
@legitappcom
Seeing Louis Vuitton logo the right way. 👀👀👀 If the sharp corners aren’t sharp, walk away! 💨 #LegitApp #AuthClass #authentication
#Authentication Reel by @shimmyshimmyya_ - I'm Launching My Very Own Sneaker Authentication Master Class 🤯🔥👟 Here's Some Details About It ⬇️

- 4 Week Virtual Class 🧑🏾‍💻
- Learning Ins &
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SH
@shimmyshimmyya_
I’m Launching My Very Own Sneaker Authentication Master Class 🤯🔥👟 Here’s Some Details About It ⬇️ - 4 Week Virtual Class 🧑🏾‍💻 - Learning Ins & Outs Of Your Favorite Sneaker Brand Silhouettes 🔬 - Certificate Of Authentication In The End 🏆 TO SIGN UP, Shoot Us An Email At Authentifynyc@gmail.com ✨ I’ll See Everyone In Class 🧑🏾‍🏫
#Authentication Reel by @thatcodergirlie (verified account) - Comment "blog" & I'll share the blog link & my notes with you in your DM 🤝🏻

(Make sure to follow else automation won't work)

Topic: Access token v
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TH
@thatcodergirlie
Comment “blog” & I’ll share the blog link & my notes with you in your DM 🤝🏻 (Make sure to follow else automation won’t work) Topic: Access token v.s. Refresh token Save for your future interviews 📩 #dsa #systemdesign #tech #coding #codinglife #jwt #backend #webdevelopment #authentication [dsa, system design, jwt, access token, refresh token, tech]
#Authentication Reel by @cathypedrayes (verified account) - Yes you should change your passwords, don't reuse them & enable multi-factor authentication BUT you should also check your email settings! 

#cybersec
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CA
@cathypedrayes
Yes you should change your passwords, don’t reuse them & enable multi-factor authentication BUT you should also check your email settings! #cybersecurity #safetytips #email #security
#Authentication Reel by @this.tech.girl - This question looks simple, but interviewers use it to check how you think about systems, not UI screens.

Authentication
Authentication answers one f
771.9K
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@this.tech.girl
This question looks simple, but interviewers use it to check how you think about systems, not UI screens. Authentication Authentication answers one fundamental question. Who are you? It verifies identity using credentials such as • username and password • OTP or biometrics • API keys • OAuth tokens or JWT Login is just one way to do authentication. Authentication itself is broader and also applies to APIs and services. If authentication fails, the system stops the request immediately. Authorization Authorization answers a different question. What are you allowed to do? It evaluates • roles • permissions • scopes • policies • contextual rules Access is the result of authorization, not the process. Authorization always happens after authentication succeeds. How this works in real systems User or service authenticates Identity is established Token or session is issued Each request is authorized based on permissions Authentication identifies the user or service. Authorization enforces boundaries. Real life example Authentication is showing your ID at the airport. Authorization is whether you can enter the cockpit or only the passenger area. Same identity. Different permissions. Interview ready one liner Authentication verifies identity. Authorization decides permissions. Follow @this.tech.girl for more concepts simplified authentication vs authorization system design interview questions backend security concepts jwt authentication role based access control #SystemDesign #BackendDevelopment #SoftwareEngineering #TechInterviews #SecurityConcepts
#Authentication Reel by @codeera.tech - 🚨 Famous Interview Question:
You need authentication for your app.
Will you choose JWT or OAuth?
Why? 
This is not a simple choice.
This is a securit
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CO
@codeera.tech
🚨 Famous Interview Question: You need authentication for your app. Will you choose JWT or OAuth? Why? This is not a simple choice. This is a security architecture decision. ⸻ 1️⃣ They Are Not The Same Thing JWT is a token format. OAuth is an authorization protocol. Most developers confuse these two. Production lesson: Understand what each solves before choosing. ⸻ 2️⃣ Use JWT When Building your own login system. Mobile apps or microservices. You want stateless and fast authentication. Production lesson: JWT is fast — no database lookup on every request. ⸻ 3️⃣ Use OAuth When You want Google, GitHub, Facebook login. You do not want to manage passwords. Third party access is needed. Production lesson: OAuth delegates authentication to a trusted provider. ⸻ 4️⃣ Real Answer — Use Both OAuth for login. JWT as the token format inside OAuth. This is how most production apps work. Production lesson: JWT and OAuth are not competitors. They work together. ⸻ Interview Ready One-Liner: JWT is a token format. OAuth is an authorization protocol. In production use OAuth for login and JWT for session management together. ⸻ Follow for more such content. HAPPY CODING #java #coding #programmer #developer #softwaredeveloper learntocode 100daysofcode computerscience programming javadeveloper backend softwareengineering codinglife tech security authentication authorization jwt oauth scalability distributedsystems devops programminglife coding
#Authentication Reel by @kerem.tech (verified account) - If you want to break into cybersecurity, these 5 coding projects will teach you real skills companies actually care about 👇

🔐 1️⃣ Password Strength
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KE
@kerem.tech
If you want to break into cybersecurity, these 5 coding projects will teach you real skills companies actually care about 👇 🔐 1️⃣ Password Strength Checker Build a tool that analyzes passwords based on: • Length • Character diversity • Common word detection • Breach-based patterns 💡 What you learn: Authentication security, brute-force risks, user behavior 🌐 2️⃣ Port Scanner Create a scanner that detects open ports and services on a target system. Start simple → then add: • Banner grabbing • Service detection • Timeout handling 💡 What you learn: Networking, TCP/IP, attack surface discovery 📊 3️⃣ Log Analyzer Parse logs and detect suspicious behavior: • Failed login attempts • IP anomalies • Repeated access patterns 💡 What you learn: Blue-team mindset, detection logic, SOC fundamentals 🌍 4️⃣ Web Technology Detector Instead of attacking websites, this project helps you understand how websites are built. You can detect things like: • Web frameworks (React, Vue, Django) • Server types (Nginx, Apache) • CMS platforms (WordPress, Shopify) 💡 What you learn: How modern websites work, basic web architecture, and safe reconnaissance This is a perfect first step before learning web security. 🔑 5️⃣ Secret & API Key Detector Scan files for: • API keys • Tokens • Hardcoded secrets (Yes, companies LOVE this one.) 💡 What you learn: Secure coding, DevSecOps, real-world risk prevention 🚀 Why these projects matter Because they show you can: ✔ Think like an attacker ✔ Defend like a blue teamer ✔ Build security-focused tools ✔ Learn by doing (the ONLY real way) 👨‍💻 What language should you use? Python is perfect. But Go, JavaScript, Rust, or Bash also work. Security ≠ language Security = mindset 📌 Pro tip Push these projects to GitHub. Document them. Explain why they matter. That’s how beginners become hireable. 💾 Save this if you’re serious about cybersecurity 📤 Share this with a friend who’s learning to cybersecurity #Cybersecurity #learntocode #techcareers #ethicalhacking #programmingprojects
#Authentication Reel by @qubitship - How Jwt Token works ?

#education #codewithyuki #coding #jwt #authentication
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QU
@qubitship
How Jwt Token works ? #education #codewithyuki #coding #jwt #authentication
#Authentication Reel by @thesaivadlakonda - Login is not permission.
Authentication vs Authorization - clear?

#careergrowth #cybersecurity #engineeringstudents #btechstudentikkada #reelsındia
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@thesaivadlakonda
Login is not permission. Authentication vs Authorization — clear? #careergrowth #cybersecurity #engineeringstudents #btechstudentikkada #reelsındia
#Authentication Reel by @beyairebase - 1. Get certified copies of your birth certificate and social security card.
2. Draft an affidavit of documentary authentication with the county record
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BE
@beyairebase
1. Get certified copies of your birth certificate and social security card. 2. Draft an affidavit of documentary authentication with the county recorder. 3. You’ve just taken the first steps in claiming ownership of the trust arrangement created for you at birth. From surety to executor beneficiary!! comment “full life” for the full manual.. #trustlaw #statuscorrection #trafficcourt #sovereign

✨ Guide de Découverte #Authentication

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Qu'est-ce qui est tendance dans #Authentication ? Les vidéos Reels les plus regardées et le contenu viral sont présentés ci-dessus.

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