Session 4: Introduction to Cryptography | Cybersecurity 101 Bootcamp 2025| SIG CYBERSECURITY RSCI

Session 4: Introduction to Cryptography | Cyber 101 Bootcamp Welcome to the fourth session of the Cyber 101 Bootcamp, where we explore the essential concepts of cryptography—the science of securing digital communication and protecting sensitive information. In this session, we cover: What cryptography is and why it is essential in modern cybersecurity The difference between symmetric and asymmetric encryption Classical ciphers including Caesar, XOR, and Vigenère Modern algorithms such as AES and RSA The concept and role of hashing in ensuring data integrity SSL/TLS and how encryption protects internet communication Hands-on demonstrations to show encryption and decryption in action This session provides a balanced mix of theory and practical examples, designed to give beginners a strong foundation in how cryptography works and why it matters. Whether you're just getting started in cybersecurity or reinforcing your basics, this session will help you understand how encrypted systems protect our digital lives. Handouts and assessment materials are available upon request. Recorded live via Microsoft Teams Designed for first-year students and cybersecurity beginners Also check out our previous sessions: Session 1: Introduction and Cyber Hygiene Session 2: OS Security Session 3: Networking Fundamentals and Packet Analysis For more content and updates, subscribe to our channel and explore the full Cyber 101 Bootcamp series.