Week 1
Learn the EST Scope
Read the targeted notes, learn the vocabulary, and complete the first diagnostic quizzes.
2026 Externally Set Task
Unit 3 EST Prep
Targeted revision for the highlighted 2026 Unit 3 EST content: context diagrams, hardware choices, SOE, privacy, data protection, legal and ethical data issues, and online database risks.
Revision Pathway
Week 2
Apply the Ideas
Practise context diagram scenarios, hardware choices, authentication, privacy, and online database risks.
Week 3
Mock EST and Weak-Area Review
Complete the 50-minute practice EST, review written responses, then revisit any weak checklist areas.
Practice Areas
Context Diagrams
External entities, labelled data flows, single process rule, and system documentation.
Hardware and SOE
Fit-for-purpose hardware recommendations and why standard operating environments help organisations.
Privacy and Protection
Privacy risks, encryption, authentication, passwords, biometrics, and digital signatures.
Legal, Ethical, Online Data
Personal data responsibilities, online database benefits, and online database risks.