What should I do if my website is hacked? A summary of quick troubleshooting causes and repair methods

for companies or individual webmasters who rely on websites to carry out business, website hacking is a highly destructive emergency, which will not only lead to user data leakage, business stagnation, but also may be marked as dangerous websites by search engines, directly affecting traffic and brand reputation. Many webmasters are often at a loss when encountering such problems, and do not know where to start. This article will systematically sort out the investigation ideas, repair methods and long-term protection strategies after the website is hacked to help webmasters quickly stop losses and restore the normal operation of the website.

How to quickly check after the website is hacked?

find abnormal website, first through accurate troubleshooting lock the root cause of the problem, which is the core premise of subsequent repair, to avoid blind operation to expand losses.

1, check the website front-end abnormal performance

first visit the website through different devices and browsers to see if there are unfamiliar pages, pop-up malicious ads, content is tampered with, etc.; at the same time, with the help of webmaster tools to query the snapshot of the website in the search engine, if the snapshot content does not match the actual page, the probability is that the website has been hacked and tampered with the page content.

2, troubleshooting server and program logs

log in to the server background to view access logs, focusing on high-frequency access records of unfamiliar IP, abnormal file upload or modification operations; check the error logs of website programs to find suspicious information such as abnormal code execution and database connection failure.

What are the common incentives for websites to be hacked?

understand the common reasons why the website is hacked, can help the webmaster to strengthen the protection after the repair, to avoid re-invasion.

1, program vulnerabilities are not patched in time

open source CMS programs such as WordPress, Weaving Dreams, etc. are the hardest hit areas for websites to be hacked. Many webmasters do not update the program version for a long time, resulting in known SQL injection, XSS cross-site scripting and other vulnerabilities being exploited by hackers to easily obtain website background permissions.

2, server and account permissions are too high

part of the webmaster in order to facilitate the operation, to the site background account set too simple password, or to the server account open too high operating authority, hackers through brute force cracking or permission overflow and other ways, can easily invade the server to tamper with the content of the site.

What are the emergency repair steps after the website is hacked?

confirm the root cause of the website being hacked, it is necessary to carry out emergency repair according to the steps, give priority to restoring the normal access function of the website, and then completely remove the malicious code.

1, isolate abnormal sites and backup data

if the server deploys multiple sites, the first site will be hacked temporary isolation, to avoid the spread of malicious code to other sites; while restoring the site program and database from the security backup, pay attention to select a complete backup before the site is hacked, to ensure that the restored content without malicious residue.

2, remove malicious code and strengthen permissions

a comprehensive scan of the restored website program, with the help of professional website security tools to remove hidden malicious code, backdoor files; then reset all account passwords in the background of the website and server, set complex combination passwords, and tighten account operation permissions, only retain the necessary functional permissions.

How to restore search engine trust after the website is hacked?

website is marked as a dangerous website by the search engine after being hacked, even if the repair is completed, it will affect the traffic, so it is necessary to restore the trust rating of the search engine in time.

1, submit website security complaints

submit a security appeal through the search engine webmaster platform, detailing the situation of the website being hacked, the repair process and follow-up protection measures, and upload the website's security inspection report to prove that the website has no security risks, waiting for the search engine to re-examine.

2, updating website content and submitting snapshots

continue to update the original high-quality content after repair, submit a new page snapshot application to the search engine, guide the search engine to re-crawl the website content; at the same time submit the site map, speed up the search engine's re-inclusion of the website, and gradually restore the ranking and traffic of the website.

To sum up, the response to the website being hacked is a complete process from the row to the repair to the protection, the core is to quickly lock the root cause, accurately repair the vulnerability, and strengthen the protection for a long time. The webmaster should regularly back up the data and update the program version, keep calm when encountering the website being hacked, and operate one by one according to the steps in this article, which can effectively reduce the loss and quickly restore the normal operation of the website and the trust of the search engine.