What should I do if the website link is tampered with? Detailed explanation of cause investigation and repair methods

for website operators, the website link is tampered with is a very destructive security incident, not only will cause users to jump to malicious pages, loss of accurate traffic, but also seriously damage the website's search engine ranking and brand reputation. Many administrators find problems often due to lack of system investigation ideas and scramble, this article will be traced from the cause, emergency repair, long-term protection and other dimensions, for you to disassemble the website link is tampered with after the response process, help you quickly stop loss and build a security barrier.

What are the common incentives for website links to be tampered with?

to completely solve the problem of website links being tampered with, we must first identify the root cause of the problem, and the repair directions corresponding to different incentives are quite different.

1, server, or host has security bugs

part of the old server is not timely update system patches, or the host service provider's security measures are not in place, hackers can invade the server through SQL injection, Cross Site Scripting, etc., directly modify the link information in the website database or page file, which is one of the main reasons why the website link is tampered with.

2, the website program has code defects

use the open source build website program website, if not timely updated to the latest version, or self-developed code filtering is not rigorous, hackers can take advantage of program vulnerabilities implanted malicious code, tampering with page navigation links, content links, etc., and even batch replacement site links point to malicious sites.

3, the site permission configuration is too loose

part of the administrator for the convenience of operation, to the website file or database set too high read and write permissions, ordinary users and even anonymous users can modify the core file, even if there is no external hacker attack, may also be due to misoperation or third-party plug-in abuse resulting in website links are tampered with.

2. Emergency repair steps after the website link is tampered with

found that the website link has been tampered with, it is necessary to immediately start the emergency repair process to avoid causing a wider range of losses.

1, quarantine infected pages and backup data

first suspend the access rights of the affected pages, if the whole site links are tampered with, you can temporarily switch to the maintenance mode of the site, while the current site database, file directory for a complete backup, backup files need to be stored in the security device is not networked, to prevent the spread of malicious code.

2, batch recovery of tampered link content

for links stored in the database, can be replaced by a batch of SQL statements tampered with content; for static page files, you can use the bulk replacement function of the website program, or with the help of server-side file batch processing tools, the malicious link is replaced with the original normal link, quickly restore the normal site navigation and content jump.

3, troubleshoot and remove malicious code

use professional website security scanning tools to comprehensively detect all files and databases of the website, locate and remove implanted malicious code, and check whether there are hidden backdoor files to avoid the problem of website links being tampered with again.

3. Search engine repair after the website link is tampered with

website link is tampered with not only affect the user experience, but also cause search engines to crawl malicious links, thereby reducing the weight of the website or even triggering punishment, so it is necessary to complete the repair of the search engine side synchronously.

1, submit a link update request to the search engine

in the search engine webmaster platform, submit the website page link that has been restored to normal, request the search engine to re-crawl and update the index content, and submit the latest sitemap file of the website to help the search engine quickly identify the normal link structure of the website.

2, apply to lift the search engine security tips

If the website is marked as a malicious site by the search engine due to link tampering, it is necessary to submit an appeal on the webmaster platform, detailing the reasons for the tampering of the website link, the repair process and follow-up protective measures.

How to prevent the website link from being tampered with again?

solve the problem of the current website link being tampered with, it is necessary to build a long-term protection mechanism to reduce the security risk from the root cause.

1, regularly update system and program patches

develop the habit of regularly updating the server system, website programs and plug-ins, and fix known security bugs in time to give hackers an opportunity. At the same time, close unnecessary ports and services in the server to reduce potential attack entrances.

2, optimize the website permission configuration

strictly set the access permissions of website files and databases, the core configuration file only retains the read and write permissions of the administrator, and the ordinary page file is only set to read-only permissions to avoid website links being tampered with due to excessive permissions.

3, deployment of professional security tools

install website security protection plug-ins or use cloud WAF firewall, real-time detection and filtering of website access requests, intercept SQL injection, malicious crawlers and other attack behaviors, and open the real-time monitoring function of website files. Once the file is found to be modified, an alarm will be issued immediately, which is convenient for administrators to deal with in a timely manner.

To sum up, website link tampering is a preventable and controllable security incident. The key is to identify the incentives in time, implement the standardized repair process, and build a long-term protection system. Operators need to carry out regular safety inspections to improve their own safety protection awareness. In order to deal with the problem of website link tampering calmly and ensure the stable operation of the website and user trust.