Introduction to Cybersecurity

May 28, 2024

Lecture Notes

Introduction

  • Welcome to today's lecture on the importance of cybersecurity.
  • Main focus: Understanding common threats and how to protect against them.

Importance of Cybersecurity

  • Cybersecurity is crucial for protecting sensitive information.
  • Prevents unauthorized access, data breaches, and cyber-attacks.
  • Essential for businesses, governments, and individuals.

Common Cyber Threats

1. Phishing Attacks

  • Deceptive attempts to obtain sensitive information.
  • Often carried out through fake emails or websites.

2. Malware

  • Malicious software designed to harm, exploit, or otherwise compromise a system.
  • Includes viruses, worms, and Trojans.

3. Ransomware

  • A type of malware that blocks access to data until a ransom is paid.

4. Denial-of-Service (DoS) Attacks

  • Overloading a system with traffic to make it unavailable to users.

5. Man-in-the-Middle (MitM) Attacks

  • Eavesdropping on communication between two parties to steal or alter information.

Protecting Against Cyber Threats

1. Strong Passwords

  • Use complex and unique passwords for different accounts.
  • Change passwords regularly.

2. Two-Factor Authentication (2FA)

  • Adds an extra layer of security by requiring a second form of verification.

3. Regular Software Updates

  • Keep software and systems up to date to patch vulnerabilities.

4. Employee Training

  • Educate employees about cybersecurity best practices.
  • Conduct regular cybersecurity awareness training sessions.

5. Backup Data

  • Regularly back up important data to minimize data loss in case of an attack.

Conclusion

  • Cybersecurity is an ongoing process that requires vigilance and proactive measures.
  • Stay informed about the latest threats and continuously improve security protocols.

Q&A

  • Encourage students to ask questions and clarify doubts.