When we cannot receive the SMS verification code on the mobile phone, it may be because the SMS verification code has been stolen. Then how did the SMS verification code be stolen, what are its hazards, and how to prevent the SMS verification code from being stolen. Today, the editor will explain to you the issue of the stolen SMS verification code. # SMS firewall#
When a user is using a mobile phone, if he accidentally clicks on an unknown webpage link or downloads an unknown product software, he may be infected with Trojan horse virus on his mobile phone, so he needs a mobile phone SMS verification code to log in. You may not receive the SMS verification code information when you have an account.
The harm of SMS verification code being stolen
Theft of SMS verification code information usually causes very serious consequences, as follows:
1. Loss of corporate marketing expenses
Some criminals can use different user mobile phone numbers to frequently initiate verification code acquisition requests to the system, and third-party SMS service providers usually charge enterprises for SMS service fees according to the actual amount of SMS sent, so enterprises may lose money for this. A lot of marketing expenses. Bring unnecessary losses to the enterprise.
2. Loss of user funds and property
Some criminals can log in to the user's account through the user's mobile phone number and intercepted verification code information, and steal funds in the account, thereby causing the user to suffer financial losses.
Methods to prevent verification code SMS from being stolen
How to prevent the theft of SMS verification code information is a very important matter. Enterprises and users can prevent from the following aspects, as follows:
(1) Enterprise preventive measures
The main preventive measures that companies can take are as follows:
- Add graphic verification code
In addition to SMS verification, companies can also add text verification, graphic verification, arithmetic question verification and other verification methods for joint use. Users can only proceed to the next step after filling in the verification code accurately.
- Limit the time interval for obtaining verification codes
The enterprise can set the time (for example, 60s) for re-obtaining the verification code with the same mobile phone number or the same IP address, and it is mandatory for users not to obtain the service verification code repeatedly within the specified time.
- Limit the sending volume of a single IP address
Enterprises can set the number of verification codes that the same IP address can obtain in a period of time (for example, 24h), and enforce a limit on the maximum number of verification codes that the IP address can obtain in that period of time.
- Limit the sending volume of a single mobile phone number
Enterprises can set the number of verification codes that can be obtained by the same mobile phone number in a period of time (for example, 1 day), and enforce a limit on the maximum number of verification codes that the mobile phone number can obtain in this period of time.
- Add SMS firewall
Enterprises can access the SMS firewall before sending the SMS verification code to monitor the interface for sending the SMS verification code in real time. Once a suspected fraudulent request is detected by the firewall, it is directly intercepted. The enterprise can observe in real time through the firewall background, the interface being called, which plays a preventive role.
(2) User preventive measures
The preventive measures that users can take mainly include the following:
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Do not download product software casually from unknown websites.
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Do not click on the service SMS link address sent from an unknown mobile phone number.
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Install some well-known security anti-virus software on the market to enhance the security protection capabilities of mobile phones.
to sum up
If you want to implement the verification code SMS function in the product, you usually have to cooperate with a well-known third-party SMS service provider and access the SMS verification code interface provided by it. Once the SMS verification code information sent to the user is leaked, the company may face flashing and cause a lot of SMS service fees; for the user, its account may be stolen and cause property losses. Therefore, in order to prevent the fraudulent use of SMS verification codes, companies can take measures to prevent such measures as increasing graphic verification codes, limiting the time interval for obtaining verification codes, limiting the amount of sending of a single mobile phone number, limiting the amount of sending a single IP address, and increasing the SMS firewall . You can take measures such as not downloading software randomly and clicking links randomly to prevent cell phone poisoning.
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Author: taro-flavored cat Dian