Threat library

Threat profiles

Confirmable compromise patterns with detection and remediation context.

• SEO Spam

  Japanese Keyword Hack

  An SEO spam attack that injects Japanese-language pages into a compromised site to hijack search listings. How it works, how to confirm it, and how to clean up.

• SEO Spam

  Hidden Link Injection

  Attackers hide outbound links in your templates and content to pass authority to their own sites. Where the links hide, how to find them, and how to remove them safely.

• Website Malware

  Malicious Redirects

  Conditional redirects send your mobile or search visitors to scam pages while the site looks normal to you. How they are implemented and how to trace them.

• SEO Spam

  Cloaking

  Cloaking serves different content to search engines than to people. It is the mechanism that keeps most injected spam invisible to site owners.