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- Use their mobile phones very frequently to communicate with others
- Have to deal with sensitive information on a regular basis
- Concerned with Privacy, but not with the technical details of how to be secure
- Concerned about Personal Safety
User Classes
Message Sender
Message Receiver
Task Analysis
Task | Goal | Frequency | Effort | Pitfalls | Others Involved | ||
---|---|---|---|---|---|---|---|
Manage Contacts Add contact | To ensure /record the identity (or psudo-identity) | sometimes | medium | Indicates that the user | The contact | ||
Communicate Have a conversation | To discuss a topic securely while remaining | often | medium | Expose information | Other people in | ||
Dissociate with a user | To break contact or association with a contact | Erase evidence of communication | Break contact or association | rarely | fast | unsafe (can't undo) |
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