1.1 Cybersecurity Review

CTRL + ALT + DEL

Access Task Manager, lock computer, log out, or restart.

cd (change directory)

Moves you to a different folder in the terminal.

dir

Lists all files and folders in the current directory.

python script

Runs a Python script from the terminal (e.g., python example.py).

Safe and Appropriate (SA)

Posts that do not reveal personal info, are respectful, and follow rules.

Not Safe or Not Appropriate (NSA)

Posts that reveal sensitive info, are offensive, or break rules.

Spam

Unwanted bulk emails (ads, promotions).

Suspicious

Looks odd, unknown sender, maybe a trick.

Phishing

Attempts to steal sensitive info (passwords, bank info) via fake links or attachments.

Phisher

The person trying to trick you.

Authentication

Verifying someone’s identity.

Authorization

Permission to access resources.

Algorithm

Step-by-step instructions to solve a problem.

Passphrase

A long, secure password.

Encryption

Scrambling data so only authorized people can read it.

Crack

Breaking a password or encryption.

Spam

Unwanted or junk email.

Phishing

Fraudulent attempts to steal info.

Phisher

Person who does phishing.

Suspicious email

Email that looks unsafe or unusual.

File Extension

The part after a file name’s period that shows its type (e.g., .docx).

Code of Conduct

Rules for behavior online or in a company.

Top Level Domain (TLD)

The last part of a web address (e.g., .com, .edu).

Digital Footprint

Your online activity trail.

Social Media

Online platforms for communication and sharing.

CAPTCHA

Test to verify you are human.

Virtual Machine (VM)

Software emulating a computer inside another computer.

Cybersecurity

Protecting computers, networks, and data.

Email Source

The origin of an email, useful to check if it’s legitimate.

Identify

Know what you have and the risks.

Protect

Put safeguards in place to keep things safe.

Detect

Watch for threats or unusual activity.

Respond

Take action to stop or reduce damage from attacks.

Recover

Fix problems and get systems back to normal.