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Computing · B8

Term 3 · Week 4 · 1.00 credits · GHS 0.50

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Lesson Note - Computing

ANA CENTRAL JHS

Weekly Lesson Plan

JHS 2 (B8) · Term 3

Computing

Lesson 1 of 1

Week Ending

Friday, 22 May 2026 Backdated

Week & Term

Week 4 · Term 3

Class Teacher

Kassim Abdul-Ganiu

Subject

Computing

Class

JHS 2 (B8)

Class Size

—

Duration

50 mins

Week No.

Week 4

Strand

3. Communication Networks

Sub-Strand

3. Information Security

Content Standard & Indicator

B8.3.3.1.1

Content Standard

Recognise data threats and security protections

Indicator

Describe the nature of four major data threats (Interruption Interception Modification Fabrication)

Performance Indicator

Describe the nature of four major data threats: Interruption, Interception, Modification, and Fabrication.

Core Competencies

Key Words

Teaching / Learning Resources (TLR)

References

Lesson Activities by Day

Date	Phase 1: Starter (7 mins) Preparing the brain	Phase 2: Main (16 mins) New learning + assessment	Resources	Phase 3: Plenary (5 mins) Reflection + exercise
Mon 18 May 2026	1Recall the four major types of data threats and identify their basic definitions 2Ask learners: If Ama sends a confidential message to Kofi via email, what could go wrong on the way? Learners whisper their ideas to a partner	UNDERSTANDING THE FOUR MAJOR DATA THREATS 1Display a table on the projector with four rows labelled Interruption, Interception, Modification, and Fabrication. For each threat, show a 30-second real-world scenario: Interruption—Yakubu's bank transfer message never reaches the server. Interception—Fuseini's password is captured by a hacker during login. Modification—Amina's test score email is changed from 85 to 45 in transit. Fabrication—A fake message pretends to be from the school office asking for student fees. Learners copy the table and one-word definition for each in their exercise books 2Ask learners to work in pairs: Match each threat to why it happens. Provide sentence starters on the textbook page: 'Interruption happens because.', 'Interception happens because.' etc. Pairs discuss and write one sentence per threat. Call on one representative from each pair to read their Interruption definition aloud; repeat for the other three threats 3Struggling learners: Provide a pre-completed definition card for two threats; they complete only Interception and Fabrication. Fast finishers: Write a fifth threat they think could harm data and explain why.	1Computer/Laptop 2Projector 3Textbook 4Internet connection	1Project a scenario: Dela sends GH₵500 via MoMo, but it never arrives at Sena's account. Ask the class to shout out which threat this is and why. Confirm it is Interruption because the message was blocked, not intercepted or changed 2Learners give a thumbs up if they can now describe all four threats, a thumbs sideways if they need more practice, or thumbs down if they need help. Acknowledge each group briefly Exercise 1Write one sentence to describe what happens to data in each of these two scenarios: (1) A student's exam result is read by an unauthorised person during transmission. (2) A school announcement is changed to say the wrong exam date. Name the threat for each in their exercise books.

Class Teacher

Kassim Abdul-Ganiu

Head Teacher

Signature & Date

SISO / Circuit Supervisor

Signature & Date

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