Quick tips to check for scam websites using 3 purely Vietnamese tools.

Thanh VinhApril 12, 2026 08:30

Users can proactively identify fake websites and malicious links through the nTrust app, the Network Trust portal, or the lookup number 156.

The current online environment poses many risks from sophisticated fake websites. Simply clicking on a malicious link can put users at risk of having their personal information stolen, being infected with malware, or losing control of their bank accounts. To protect yourself, you can use the following three methods to check for phishing websites using tools developed in Vietnam.

Ứng dụng nTrust hỗ trợ người dùng nhận diện các dấu hiệu lừa đảo
The nTrust app helps users identify signs of fraud.

1. Use the nTrust app from the National Cybersecurity Association.

nTrust is free anti-phishing software that helps detect suspicious activity by checking phone numbers, website addresses, account numbers, and scanning for malware.

  • Step 1:Find and install the nTrust app from Google Play (Android) or the App Store (iOS).
  • Step 2:Enter your phone number and other necessary information to register for an account.
  • Đăng ký thông tin tài khoản trên nTrust
    Register your account information on nTrust.
  • Step 3:On the main interface, select the itemCheck the website.
  • Tính năng kiểm tra website trên ứng dụng
    The app features a website verification function.
  • Step 4:Paste the suspicious URL into the blank field and wait for the system to verify it.
  • Hệ thống hiển thị cảnh báo về website lừa đảo
    The system displays warnings about phishing websites.
    Kết quả xác minh tính an toàn của website
    Results of the website security verification.

2. Check via Network Trust Portal

Network trust is an ecosystem that helps verify the reliability of organizations and websites in the online environment, operated by the National Cybersecurity Monitoring Center (NCSC).

  • Step 1:Access the Network Trust homepage and select the section.Website trust.
  • Giao diện tra cứu tại cổng Tín nhiệm mạng
    The lookup interface on the Network Trust portal.
  • Step 2:Enter the domain name of the website you want to check into the search box and press Enter.SearchThe system will return the result indicating whether the website is on the safe list or not.
  • Kết quả trả về độ tin cậy của website
    The result returns the website's trustworthiness.

3. Check for information on fraudulent domain names and websites.

This method helps users clearly identify the origin of a domain name and check if that address has ever been reported as a phishing scam.

Look up via SMS

Users can compose messages using the following syntax:TCTM [Domain name or website link]send156To receive domain name information quickly.

Online lookup

  • Step 1:Access the Domain Name Lookup website. Enter the website address you want to check into the search box and press Enter.Search.
  • Công cụ tra cứu tên miền trực tuyến
    Online domain name lookup tool.
  • Step 2:To check the safety level in more detail, select the option.Check for scam websites., then enter the URL and pressCheckto see the detailed results.
  • Kiểm tra chi tiết mức độ an toàn của link web
    Check the security level of the web link in detail.

Proactively using these authentication tools will help you establish a strong layer of protection, minimizing the risk of being scammed or having your assets stolen in the digital space.

Thanh Vinh