We have received several inquiries from WordPress Doctor customers about cases of HTACCESS disappearing, settings being cut off in the middle, and 500 errors.
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We have received several inquiries about the “Detected Unauthorized Access List” feature of the WordPress Doctor Malware Scanner, so we will explain it here.
The most common type of WordPress tampering these days is the hacking of WordPress sites for SEO purposes. We will explain this SEO spam.
Why do hackers (crackers) hack and tamper with WordPress? We will explain the motives of hackers who tamper with WordPress and the consequences of being hacked.
We will explain how to deal with spam indexing, a common symptom of recent WordPress tampering, in which pages that you do not remember creating are caught in the search results.
It is said that 60% of WordPress hacks are program (theme or plugin) vulnerabilities. We will explain how to check for vulnerabilities in your plugins individually.
At WordPress Doctor, we perform malware removal and security measures on behalf of more than several hundred sites per year. Based on this experience, we would like to share with you the characteristics of sites that have been hacked, hijacked, or defaced.
Taking advantage of the convenience of being able to operate multiple domain sites under a single server contract, malware today often analyzes the server folder structure and spreads infection from one site to the folders of other sites (domains).
A serious vulnerability has been discovered in the Jetpack plugin for WordPress and a version update has been distributed. This section explains how to deal with this vulnerability.
This section describes a file in which redirect hack code is often embedded, which causes a WordPress-created site to jump to another site when accessed (redirect).
This section explains how to limit the computers that can log in to the WordPress admin screen by IP.
Some of today’s malware is of the type that writes an infinite loop (or delayed process) into the server process and resides there.
Here are some common malware (virus) file names that WordPress Doctor has discovered recently.
Here is a small PHP programming trick to prevent SQL injection in WordPress.
Here are some of the types of malware embedded in WordPress that are common these days. If similar code is included in the site’s program, we suspect that WordPress has been hacked and tampered with.
WordPress Doctor received the question, “Is a WordPress site restored from a backup prior to a malware infection safe?” This section explains whether or not a WordPress site restored from a backup prior to a malware infection is safe.
A new type of malware has been reported that illegally installs a plugin that can execute PHP code in WordPress and embeds malware in the database.
When WordPress is infected with malware (tampered with), updating WordPress and plug-ins may not remove the malware.
