Is it real if you receive a call from the prosecutor's office or bank? Ways to distinguish voice phishing calls
8 Steps to Independently Verify Authenticity and Break Free from Pressure of Impersonation Calls
Is it real if you receive a call from the prosecutor's office or bank? In voice phishing situations, when you hear the name of the agency, case number, or your personal information, it can feel very believable. However, the key to determining if it’s real is not how much the caller knows, but whether you can hang up and independently verify it using the official representative number.
This list compiles the necessary channels and actions to independently verify the authenticity step by step, freeing you from the pressure of impersonation calls. It’s essential to use the official homepage and representative number directly found on another secure device, rather than re-dialing the number or clicking the text links displayed during the call.
Each item includes warning signs, immediate actions, verification channels, information to prepare, and precautions. The roles of police, financial companies, telecom companies, and security agencies are differentiated, and there are follow-up measures included to reduce further harm even if you've already transferred money or installed apps.
If reading with family, agree on a sentence to say, such as “I will hang up now and verify it using the official number.” It’s important not to make judgments alone and to have the habit of keeping records. Since procedures and operating hours can change, always check the latest official guidelines before acting.
End the Call and Verify Independently
Hang Up and Verify Independently
If you feel pressured not to hang up for reasons like investigation, security, or delinquency, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
First, hang up and re-verify using the representative number you find. The official channel is the Telecommunications Financial Fraud Response Team, and summarizing the time of the call, the caller's number, and the claimed affiliation will help you explain the situation more accurately.
Do not use the callback number provided by the caller. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Consult 112 Regarding Possible Impersonation by Authorities
Consult 112 About Impersonation of Institutions
If you are being asked to transfer money under the guise of impersonating the prosecution, police, or financial institutions, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
Report or consult with 112 using a safe phone. The official channel is the Korean National Police Agency 112, and summarizing the impersonated institution, name, account, and the request will help you explain the situation more accurately.
In an emergency, reporting takes precedence over organizing the materials. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Check Fraud Methods Pretending to be Government Agencies
Verify Methods of Government Institution Impersonation
If you hear claims of detention, seizure, or secret investigation and feel isolated, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
Compare with typical methods from official prevention materials. The official channel is the Korean National Police Agency, and summarizing the expressions and demands you heard will help you explain the situation more accurately.
Do not assume it’s safe just because the methods differ. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Verify Transactions with the Bank's Customer Service Number
Verify Transactions with the Bank's Representative Number
If the caller says your account is involved in a crime and requests a transfer to a safety account, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
Contact the financial company representative number listed on your card or bankbook. The official channel is the Financial Supervisory Service's Fine Financial Company Inquiry, and summarizing the bank name, account, and recent transactions will help you explain the situation more accurately.
Do not trust claims asking for personal transfers into safety or protected accounts. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Verify Family Impersonation with the Existing Number
Reconfirm Family Impersonation with Existing Numbers
If someone is requesting money using a new number due to a broken or accident-prone phone, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
Call the existing number directly and verify with other family members. The official channel is the Korean National Police Agency, and summarizing the new number, requested amount, and messenger account will help you explain the situation more accurately.
Do not conclude personal verification with just a messenger reply. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Refuse Link and App Installation Requests
Reject Link and App Installation Requests
If you receive a URL or app claiming it's for event inquiries or security checks, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
Do not click, and preserve the messenger and sender information. The official channel is KISA National Victim Response, and summarizing the message screen, URL, and time of receipt will help you explain the situation more accurately.
Do not install any app just because it claims to be for verification. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Consult 118 About Smishing
If a text link looks like an official page and makes it hard to determine, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
Consult 118 without opening the link. The official channel is KISA 118, and summarizing the sender's number, wording, and URL will help you explain the situation more accurately.
Do not directly execute the link for consultation. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Stop Providing Additional Personal Information
If the caller is requesting your resident number, authentication number, or ID photo in sequence, start verifying from this step. Even if the caller urges you, do not continue the conversation trying to prove anything.
Stop providing information and take note of what was exposed. The official channel is the Personal Information Portal, and summarizing the items shared, time, and transmission method will help you explain the situation more accurately.
Even if you’ve already exposed information, do not hide it, but report exactly when you file a complaint. Since the guidance screen and operating procedures may differ, proceed based on the connected official page.
Is it real if you receive a call from the prosecutor's office or bank? The core of responding to voice phishing call identification is to stop all transactions and device operations and change the verification route. By systematically executing the 8 steps to independently verify authenticity, you can reduce the time spent in confusion. However, reporting or stopping payments does not guarantee refunds.
Preserve the details of the call, transfer, app installation time, the caller's number, account number, and conversation screen. Do not log into financial apps using the phone you suspect has been compromised; instead, verify the official representative number directly from another secure device.
After initial actions, check your account, loan, and mobile phone activation status, and change any exposed passwords on a clean device. Also, monitor any unfamiliar authentication texts, small payment notifications, or new account alerts for a certain period.
When actually reporting, prioritize the latest official guidelines. Be cautious of secondary scams that claim to help recover property or refunds, and do not respond to requests for upfront payments or remote control. Procedures and operating hours can change, so always verify the latest official guidance before acting.
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