Here are some steps to secure your information when using public telephones or payphones:

1. Always use a payphone or public telephone that is in a well-lit and busy area.
2. Avoid using public or payphones to make or receive bank related calls.
3. Never enter your PIN or credit card number on a public or payphone.
4. Keep your phone conversations short and to the point.
5. Hang up immediately if you find a suspicious individual in the vicinity.
6. When in doubt, do not use the public or payphone.