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Implementing Network Security and Cryptography • Sequence • Lenny.com

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Implementing Network Security and Cryptography

A comprehensive sequence for 12th-grade students exploring network security, cryptography, and the protocols that secure the modern internet. Students progress from foundational security principles to the technical details of public key infrastructure and the HTTPS handshake.

The CIA Triad and Network Threats

Students are introduced to the foundational concept of information security: Confidentiality, Integrity, and Availability. They analyze common network threats to categorize which part of the triad is being attacked.

Symmetric vs Asymmetric Encryption

This lesson covers the mathematics of cryptography. Students practice simple symmetric ciphers and then explore the conceptual breakthrough of asymmetric (public key) encryption.

Certificate Authorities and Trust

Students investigate how digital certificates function to verify identity. They examine the role of Certificate Authorities and the chain of trust.

HTTPS and Secure Sockets

Learners dive into the technical details of SSL/TLS, analyzing the handshake process where encryption is negotiated and keys are exchanged.

Emerging Threats and Future Security

The sequence concludes with a look at modern challenges, such as IoT vulnerabilities and quantum computing, alongside ethical debates on privacy.

Implementing Network Security and Cryptography

A comprehensive sequence for 12th-grade students exploring network security, cryptography, and the protocols that secure the modern internet. Students progress from foundational security principles to the technical details of public key infrastructure and the HTTPS handshake.

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