Cybersecurity Basics: A Beginner's Guide
1. What is Cybersecurity?
Cybersecurity is the practice of protecting systems, networks, and data from digital attacks aimed at
stealing, changing, or destroying sensitive information, extorting money, or disrupting operations.
2. Why is Cybersecurity Important?
- Prevents data breaches and identity theft
- Protects personal, financial, and business data
- Maintains trust in digital services
- Reduces financial loss due to cybercrime
3. Common Types of Cyber Threats
- Malware: Viruses, worms, Trojans, ransomware
- Phishing: Fake messages tricking users
- Ransomware: Locks data, demands payment
- DDoS Attacks: Overloads systems
- MitM: Intercepts communications
- SQL Injection: Malicious database queries
- Zero-Day Exploits: Attacks on unknown vulnerabilities
4. Types of Cybersecurity
- Network Security: Secures networks
- Information Security: Protects data privacy
- Application Security: Prevents app vulnerabilities
- Cloud Security: Protects cloud-stored data
