Web malware – a relatively new kind of threat which is sweeping the Internet right now. Thousands of websites that are compromised every single day and leading to an average of 7 to 10 days of lost revenue, damages to reputation and immeasurable stress. When a websites get infected with a web malware, then it takes days to clean. In this post, we describe some common techniques which is used to clean up an infected WordPress website and get rid of pesky iframes, Java-scripts, and other general malware.
Moreover, the WordPress is the most popular Content Management System (CMS) today. Millions of websites are built reliably and quickly by using this great piece of software. The sheer installation base of the WordPress makes sites that use it a juicy target for the cyber hackers. If someone can find one vulnerability in the WordPress installation then it can potentially infect the millions of domains in one shot.
For More Details: https://codex.wordpress.org/Hardening_WordPress
How Does the WordPress Installation Get Hacked?
A WordPress installation can get hacked due to various reasons:
Outdated patches: It is surprising how many WordPress site owners do not update their domain version when a security threat is identified and an upgrade is recommended.
Unsafe plugins: External pieces of the codes like the Timthumb plugin can allow for a site to get hacked because of the vulnerabilities that might exist in the plugin code itself.
Unsafe themes: Website administrators often install the themes in WordPress site without verifying the integrity of the themes themselves that can contain few malicious codes.
Weak passwords: Many WordPress website owners use very weak administrator and the FTP passwords that can be guessed easily and then leads to compromise.
Stolen FTP credentials: Trojans and other nasty viruses that are present on systems and PC used to upload material to the WordPress website can sniff out the login credentials used by the website admin and pass them off to an automated bots that can infect the website.
Continue Reading: https://wordpress.org/plugins/all-in-one-wp-security-and-firewall
How To Clean up Infected WordPress Website
Here are few steps that may help you to clean up your infected WordPress website after a hacker attack the website which results in malware being injected into your installation.
Change all your passwords including FTP, cpanel/plesk access passwords immediately. Also, you should overwrite the secret inside the wp-config.php file.
Backup your WordPress website at a regular interval of time. Most of the hosting companies will keep daily backups, so you may not have to do anything. Although, just make sure that there is a backup copy as recent as possible is available.
Check .htaccess file for the compromise and also, check if your database is compromised with the malicious scripts and iframes.
Always download the latest version of the WordPress and update your install. However, make sure that the third party plugins that you are using have a good reputation.
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