What is Cybersecurity?

The CIA Triad

• Confidentiality: Only authorised access
• Integrity: Data hasn't been tampered with
• Availability: Systems accessible when needed

Common Threats

Threat	Description
Phishing	Fake messages tricking users
Malware	Viruses, ransomware, trojans
SQL Injection	Injecting malicious SQL
DDoS	Overwhelming servers