DF2: Lesson 4 Secure Authentication Protocols – Building Smarter Barriers
Can your login survive a real cyber attack?
This KS3 / lower secondary computing lesson immerses students in the world of secure system design by tasking them to build and break their own multi-factor login protocols.
Kicking off with a realistic breach scenario activity, students explore how attackers exploit weak access points - from SIM swapping to phishing. They then construct layered login flows using visual templates and test them against threat cards in an interactive simulation.
With opportunities to redesign, justify decisions, and tackle an advanced “Ultimate Defence Challenge,” students develop strategic reasoning and real-world cybersecurity insight.
Through this, students uncover:
• The three main types of authentication: knowledge, possession, and biometric
• How to build, test, and improve a multi-step login flow using layered security logic
• Which threat types exploit each step - and how to harden systems using structured reasoning
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Pairs well with
A next-gen lesson that keeps your curriculum aligned with emerging trends in computer science
Built for formal scrutiny — structured around intent, implementation, and impact
Includes a full inspection-grade lesson plan
Packed with high-standard classroom activities — expertly designed and immediately classroom-ready
Includes full slide-by-slide speaker notes to support confident and consistent delivery
Keeps your curriculum sharp and future-facing — with topics that reflect today’s most relevant computing advances
DF2: Lesson 4 Secure Authentication Protocols – Building Smarter Barriers
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Whats included:
Your digital download for this lesson contains 5 professionally organised folders, each containing matched teaching materials, student tasks, model answers, and full adaptations.
The lesson can be taught directly from the fully scripted presentation for confident, inspection-ready delivery.
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Classroom Adaption Guide