Beyond email: QR codes, texts, calls and app requests
Attackers use QR codes, text messages, phone calls, fake voicemails, hijacked email threads and app permission requests. Learn the tell-tale signs and the one safe response for each.
- Level
- Beginner
- Length
- About 30 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 1 Oct 2026
Skills you'll practise
- Check where a QR code leads before acting, and spot tampered codes.
- Recognize smishing and vishing and verify through a known channel.
- Treat fake voicemail and password-expiry messages with suspicion.
- Recognize a hijacked email thread and password-protected attachments as warning signs.
- Refuse app permission requests you don't expect and report them.
Course outline
- 1.Beyond email: QR codes, texts, calls and app requestsVideo · 3 min
- 2.QR codes and textsLesson · 8 min
- 3.Calls, voicemails, hijacked threads and app requestsLesson · 8 min
- 4.Chat, meeting and file-share luresLesson · 8 min
- 5.Beyond email: QR codes, texts, calls and app requests: knowledge checkKnowledge check · 25 questions
- 6.Final exam9 questions · passing it completes the course, so people who already know the material can test out
Sources it draws on
The lessons and questions are written from these references, so learners can go back to the original.
- CISA: Avoiding social engineering and phishing attacks
- FBI public service announcement: cybercriminals tampering with QR codes
- NCSC (UK): Phishing: spot and report scam emails, texts, websites and calls
See it with your own jobs and topics
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