🛡️🔥 Cybersecurity Terms Every Beginner Should Know — Part 4

1. Authentication Token 🎟️ — A piece of data used to prove that a user or system has already been authenticated.

2. Session 🔄 — A period of interaction between a user and an application after authentication.

3. Session Hijacking 🕵️ — An attack where an attacker obtains a valid session and attempts to use it to access an account.

4. Access Token 🔑 — A credential that allows an application or user to access specific resources.

5. API 🌐 — An interface that allows different software applications to communicate with each other.

6. API Key 🗝️ — A credential commonly used to identify or authenticate an application making API requests.

7. Security Header 🛡️ — An HTTP response header that can instruct browsers to apply additional security protections.

8. CORS 🌍 — A browser security mechanism that controls which origins can make certain cross-origin requests.

9. CSRF 🔄 — An attack that tricks an authenticated user's browser into sending an unwanted request to a website.

10. XSS 💻 — A vulnerability where untrusted input can cause unintended script execution in a user's browser.

11. SQL Injection 💉 — A vulnerability where improperly handled input can interfere with database queries.

12. Input Validation ✅ — Checking user-supplied data to ensure it meets expected rules before processing it.

13. Output Encoding 🔤 — Converting data into a safe representation before displaying it in a particular context.

14. Secure Cookie 🍪 — A cookie configured with security attributes that help reduce risks such as interception or unauthorized browser access.

15. TLS 🔒 — A cryptographic protocol that protects data exchanged over networks.

16. Digital Certificate 📜 — A digital credential used to associate a public key with an identity.

17. Public Key 🔐 — A cryptographic key that can be shared publicly and is used in operations such as encryption or digital signatures.

18. Private Key 🔑 — A secret cryptographic key that must be protected by its owner.

19. Digital Signature ✍️ — A cryptographic mechanism used to verify authenticity and integrity of digital data.

20. PKI 🏛️ — Public Key Infrastructure: the systems, policies, and processes used to manage digital certificates and public-key cryptography.

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