Last updated: Aug 25, 2023
Spamdexing or SEO spam is an attempt to manipulate the search index by inserting unwanted content on other websites. SEO spammers usually look for web pages that rank high on search engines to embed keywords or links that contain spam.
Hackers have many tricks in attacking your website. One of them by using SEO spam to achieve their goals. Some types of SEO spam are:
Spammers will promote their products and services by including keywords on higher ranking websites. Website owners will not be aware of this, because keyword injection spam is one of the Black-Hat SEO techniques.
Spammers can also add spam links to your website. These links are hidden in your regular content or commonly referred to as clickjacking. These spam links will lead to other pages containing the sale of illegal drugs, gambling, adult content, and so on.
SEO hackers may send spam emails to customers to promote their products and services. In this case, customers and search engines will see the web owner as the original email sender, so the web owner can be considered a spammer.
SEO spammers can also hijack the display of ads on a website. Usually, spammers will take actions such as replacing ads, banners, pop-ups, and the CTA of the attacked website and directing customers to their own web page.
Spammers can also add WordPress pages or create posts on attacked websites. The goal of spammers is that the keywords they are targeting get ranked.
In carrying out the attack, SEO spammers do not target a particular site. They tend to look for some of the most vulnerable sites. Here are some of the ways spammers carry out attacks on websites:
One way to carry out spamdexing attacks is to attack websites that use old versions of WordPress. In 2018, 36% of the hacked WordPress websites were sites with outdated versions. Ignoring updates means opening up a loophole for these hackers.
Themes and plugins do add functionality to WordPress, but they can also cause you problems. Installing pirated plugins or themes that are not tested for security is one of the entrances for hackers. They can inject spam keywords or links, create backdoors, and display the content they want.
One of the websites that are vulnerable to spamdexing are websites with weak passwords. In this case, hackers could use brute force attacks and try different combinations of passwords to get into your website.
After knowing the types and ways of spammers, then you need to know how to avoid spamdexing. Things you can do to avoid spamdexing are as follows:
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