Japanese Spam on a Cleaned WordPress Site: The Hidden Sitemap Problem
Puja Srivastava While investigating a compromised WordPress site, we discovered a malware infection causing Japanese spam links to appear in Google search results. Although the site had…
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SEO Spam
212 posts
SiteCheck Remote Website Scanner — Mid-Year 2024 Report
Kyle Knight Conducting an external website scan for indicators of compromise is one of the easiest ways to identify security issues. While remote website scanners may not…
How to Find & Fix Japanese SEO Spam
Japanese SEO Spam, also known as “Japanese keyword hack” or “Japanese SEO poisoning,” is a spammy search engine optimization technique used by black hat SEO…
Bogus URL Shorteners Go Mobile-Only in AdSense Fraud Campaign
Denis Sinegubko Since September 2022, our team has been tracking a bogus URL shortener redirect campaign that started with just a single domain: ois[.]is. By the beginning…
SiteCheck Remote Website Scanner — Mid-Year 2023 Report
Conducting an external website scan for indicators of compromise is one of the easiest ways to identify security issues. While remote scanners may not provide…
Abandoned US Congressional Website Used in Asian Gambling Spam Infection
Ben Martin Website owners and developers tend to buy a lot of domains. With different projects on the go and working with multiple different clients at any…
Massive Google Colaboratory Abuse: Gambling and Subscription Scam
This investigation started with a small and quite simple piece of PHP malware found on a hacked website. We located the following PHP code, responsible…
Spamdexing: What is SEO Spam & How to Remove It
Rianna MacLeod Ever had an uninvited guest crash your party, resulting in chaos, confusion, and some unhappy visitors? Well, SEO spam is that party crasher — just…
Hacked Website Threat Report – 2022
Education is crucial in defending your website against emerging threats. That’s why we are thrilled to share our 2022 Website Threat Research Report. Disseminating this…
How to Find & Fix the WordPress Pharma Hack
Finding bogus content and unexpected links for prescription drugs on your WordPress website can be a frustrating experience. But don’t blame your site: it just…
What is Black Hat SEO?
Your website’s search results and rankings are vital to the success of your online business. Better search visibility equates to more traffic — which results…