What is cybersecurity?
Cybersecurity is the practice of protecting computers, networks, applications and data from unauthorized access, attacks, damage and disruption.
It combines technology, processes and security practices to reduce digital risks.
The three pillars of security
✦Confidentiality — ensuring information is accessible only to authorized users.
✦Integrity — ensuring information is accurate and has not been improperly changed.
✦Availability — ensuring systems and information remain accessible when needed.
Common cybersecurity threats
✦Phishing attacks
✦Malware
✦Ransomware
✦Weak or stolen passwords
✦Social engineering
✦Unauthorized access
✦Data breaches
✦Denial-of-service attacks
Basic cybersecurity practices
✦Use strong and unique passwords
✦Enable multi-factor authentication
✦Keep operating systems and applications updated
✦Avoid suspicious links and attachments
✦Back up important data
✦Use secure networks
✦Limit unnecessary access to sensitive information
How to start learning cybersecurity
✦01 — Learn computer and networking fundamentals
✦02 — Understand operating systems
✦03 — Learn how web applications work
✦04 — Study common security threats
✦05 — Learn authentication and access control
✦06 — Practice security concepts in legal laboratory environments
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