Cloud Security Concepts

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1. What is Cloud Security? 🔒☁️

Cloud security is the practice of protecting data, applications, and services hosted in the cloud from threats, unauthorized access, and breaches.
Main goal: Confidentiality, Integrity, Availability (CIA) ✅

2. Key Cloud Security Principles 🛡️

  1. Confidentiality 🕵️‍♂️ – Only authorized users can access data.

  2. Integrity ✍️ – Data should not be altered by unauthorized parties.

  3. Availability ⚡ – Cloud services should always be accessible.

  4. Authentication & Authorization 👤🔑 – Verify user identity and permissions.

  5. Encryption 🔐 – Protect data in transit (TLS 🌐) and at rest (AES 🗄️).

  6. Non-repudiation 📝 – Actions cannot be denied later (audit trails).

3. Common Cloud Security Threats ⚠️

  • Data breaches 🗃️💥

  • Account hijacking 🏴‍☠️

  • Insecure APIs 🔧

  • Denial of Service (DoS) ⛔

  • Misconfigured cloud storage 📂❌

4. Cloud Security Measures 🛠️

  • Identity & Access Management (IAM) 👥

  • Multi-Factor Authentication (MFA) 📱🔑

  • Data encryption 🔐

  • Regular audits & monitoring 👀

  • Backup & Disaster Recovery 💾⚡

  • Security policies & compliance 📜✅

5. Types of Cloud Security ☁️🛡️

  1. Infrastructure Security 🖥️ – Protect servers, networks, virtualization.

  2. Application Security 📱 – Secure code, app-level firewalls.

  3. Data Security 🗄️ – Encryption, tokenization, masking.

  4. Identity & Access Management (IAM) 👤 – Control who can access what.

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