...
- 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 | To ensure the identity (or psudo-identity) of | sometimes | medium | Indicates that the user | The contact |
Communicate | 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 | rarely | fast | unsafe (can't undo) |
...