You can report URLs to the IWF if they contain child sexual abuse material (CSAM).

If a site is hosting malware or phishing content, you can report it to Google to have it flagged in search results and browsers. Reporting Search Results

Use the "Feedback" or "Report a Result" tool at the bottom of the search results page.

The search results for the phrase frequently point toward domains associated with adult content or potentially non-consensual material. If you are attempting to report a specific website or gallery for illegal content, safety violations, or the exploitation of minors, please use the authoritative reporting channels listed below: Reporting Illegal or Harmful Content