Network Security Basics
Protecting network traffic
Why security matters
Networks carry private, valuable, and sometimes sensitive information. Security helps protect data from unauthorized access, tampering, and misuse.
Basic security ideas
Important beginner security concepts include passwords, encryption, authentication, permissions, and firewalls. These help make access safer and more controlled.
Security terms
Security habit
Use strong passwords, keep software updated, and be careful with links and attachments.
What is encryption used for?
Encryption helps protect data by making it unreadable without the proper key.
Correct answer: Making data harder to read without a key
What is authentication?
Authentication is the process of proving who you are.
Correct answer: Proving identity
Name one basic network security practice.
Strong passwords are one important basic security practice.
Correct answer: use strong passwords
What device helps filter traffic for security?
A firewall helps filter traffic according to rules.
Correct answer: firewall