Shi Zha Tong visual guides 03 / Calls and personal data

Survey calls: protect your private routines

An ordinary conversation can turn into questions about sensitive information.

An ordinary conversation can turn into questions about sensitive information.
Conceptual illustration, not real people, a crime scene or investigative evidence.
  1. 1

    Survey introduction

    Policy, brand or questionnaire topics lower suspicion.

  2. 2

    Household questions

    Questions reveal who lives with you and family schedules.

  3. 3

    Financial questions

    The caller asks about banks, pensions or savings.

  4. 4

    Rewards for data

    Gift vouchers encourage disclosure of precise personal details.

Warning signs

Surveys and gifts are not proof of crime. Unnecessary sensitive questions deserve caution.

Protective action

Decline questions about family routines and finances. Verify the survey organisation independently.

Open sources and scope

Based on official advice and cases. The four stages are simplified for teaching; roles and order differ between cases and do not establish wrongdoing by any particular person or service.

First Special Police Corps: common scam tactics and prevention (new tab)

Survey and livestream scenarios include risk analysis. Citations do not mean official approval of every statement. Edited: 1 October 2026.