--- title: "Account Security FAQs" description: "Here you’ll find quick answers to common questions about account security.1. What is two-factor authentication?When you perform asset-related operations, like making a trade or viewing your account information, you first need to enter your transaction password. When two-factor authentication is enabled, your app will add another layer of security.After you enter your password, you'll get a second check, like a securi" slug: "3nspyyp" locale: "en" region: "hk" region_label: "Hong Kong" url: "https://longbridge.com/hk/en/support/topics/accountfaqs/3nspyyp.md" updated_at: "2025-10-10T05:54:28.000Z" category: "accountfaqs" category_title: "Account FAQs" references: related: - title: "Statement Instruction" url: "https://longbridge.com/hk/en/support/topics/accountfaqs/zoy6zum.md" - title: "Statement Field Definitions" url: "https://longbridge.com/hk/en/support/topics/accountfaqs/j1mnbat.md" --- # Account Security FAQs [Table of Contents](https://longbridge.com/hk/en/support/toc.md) Here you’ll find quick answers to common questions about account security.  **1\. What is two-factor authentication?** When you perform asset-related operations, like making a trade or viewing your account information, you first need to enter your transaction password. When two-factor authentication is enabled, your app will add another layer of security.  After you enter your password, you'll get a second check, like a security prompt or a code sent to your phone, to make sure it's really you. It’s an easy way to protect your account, and we highly recommend turning it on.  **2\. Why didn’t I receive my SMS verification code ?** If you cannot receive the SMS verification code, please follow the steps below to troubleshoot: - Please check whether the verification code SMS is blocked - Please check whether your network connection is stable - Please check whether your inbox is full If it does not fall into the above reasons, you can try to log in with your password or contact official customer service. **Disclosures** *The information provided herein is for reference only and does not constitute any investment advice.* --- > **Disclaimer**: This article is for reference only and does not constitute any investment advice. Content provided by [Longbridge](https://longbridge.com).