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Security Guide

Complete Guide to MSAFER

Complete guide to M-Safer service for mobile security.

MSAFER is an integrated mobile security portal provided by the Ministry of Science and ICT and the Korea Association for ICT Promotion (KAIT). It allows you to manage identity theft prevention, micropayment controls, spam blocking, and identity verification history all in one place.

1. What is MSAFER?

MSAFER is the official national integrated portal for mobile security.

[Key Services]

• Identity theft prevention registration

• Micropayment blocking / limit settings

• Identity verification usage history

• Spam call / text blocking

• Smishing report

• Used phone IMEI lookup

[Operating Organizations]

Ministry of Science and ICT

Korea Association for ICT Promotion (KAIT)

[Usage Fee]

Completely free

[Website]

msafer.or.kr

2. Identity Theft Prevention Service

[Service Registration]

1. Visit msafer.or.kr

2. Go to the Identity Theft Prevention menu

3. Complete identity verification

• Mobile phone verification

• Joint certificate

4. Click Register

5. Takes effect immediately

[What It Protects]

• Blocks others from opening a phone line in your name

• Strengthens identity checks during new registrations

• Prevents fraudulent SIM / burner phone activation

[Who Should Apply]

• All citizens (free)

• Especially recommended for:

- Those who have lost their ID card

- Voice phishing victims

- Personal data breach victims

- Elderly individuals

[Cancellation]

• Can be cancelled at any time if needed

• However, keeping it active is strongly recommended

3. Micropayment Management

[Setting Micropayment Limits]

1. Log in to MSAFER

2. Go to the Micropayment Blocking menu

3. Select a monthly limit

• 0 KRW (complete block)

• 100,000 KRW

• 300,000 KRW (default)

• 500,000 KRW (maximum)

4. Apply

[Block by Category]

• Block games

• Block adult content

• Block other digital content

[Temporary Unblock]

• Temporarily unblock when a purchase is needed

• 1 hour to 24 hours

• Automatically re-activates

[Managing Micropayments for Children]

• For phones registered under a minor

• Parents can apply settings on their behalf

• Setting to 0 KRW (complete block) is recommended

4. Identity Verification History Lookup

[Service Overview]

Check when and where you have been identity-verified

[How to Look Up]

1. Log in to MSAFER

2. Go to Identity Verification Usage History

3. Select a period (up to 1 year)

4. Search

[Information You Can Check]

• Date and time of verification

• Website that requested verification

• Verification method (SMS / app)

• IP address

[If You Find Suspicious History]

1. Contact the customer support of the relevant site

2. Change your password immediately

3. Report to the police / Financial Supervisory Service

4. Register for identity theft prevention

[Regular Check]

• Recommended to review history once a month

• Take immediate action if an unknown site is found

5. Additional Features and Usage

[Smishing Report]

1. Receive a suspicious text message

2. Access the MSAFER app or website

3. Click Report Smishing

4. Enter the message content and sender number

5. Report submitted

→ The number is added to the blocking database

[Used Phone IMEI Lookup]

Check before buying a used phone

1. Go to IMEI Lookup menu

2. Enter the IMEI number (*#06#)

3. Lookup results:

• Normal

• Reported lost phone

• Illegally cloned phone

[Spam Call Report]

• Report voice phishing numbers

• Register spam call numbers

• Automatic blocking through collective reports

[App vs Web]

• Web: All features available

• App: Quick lookup and reporting

• Both are free

Key Tips

  • Identity theft prevention is free for all citizens, so make sure to sign up
  • The safest approach is to set micropayments to 0 KRW and only unblock when needed
  • Check your identity verification history every month to catch suspicious activity early
  • If you receive a smishing text, report it to MSAFER immediately to protect others
  • Always check the IMEI before buying a used phone to verify it has not been reported lost

Have any questions?