Trend Micro's Site Safety Center checks a submitted URL and explains that ratings consider site history and suspicious activity.

global.sitesafety.trendmicro.com
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About Trend Micro

Trend Micro Site Safety Center is a free web service for checking the safety of a specific URL, particularly one that seems suspicious. The user types a URL into the page and receives a rating. The page states that ratings are based on factors such as a website's age, historical locations, changes, and indications of suspicious activity found through malware behavior analysis.

The page defines four ratings. Safe means the latest tests found no malicious software and no signs of phishing. Dangerous means the latest tests found malicious software or phishing. Suspicious means the URL has been compromised before or has some association with spam email. Untested means the URL has not been tested, and Trend Micro will check it for the first time after submission. Trend Micro also reserves the right to block automated programs that submit large numbers of URLs.

Key features

  • Checks a submitted URL and returns a safety rating
  • Four ratings: Safe, Dangerous, Suspicious, and Untested
  • Ratings consider website age, historical locations, and changes
  • Uses malware behavior analysis to find signs of suspicious activity
  • Assigns content category labels such as Adult, Business, and Internet Security
  • Free service, with limits on automated bulk submissions
Best for: People who want to check whether a URL that seems suspicious has been linked to malware, phishing, or spam before they visit it.
Good for
  • Free to use, as stated on the homepage
  • Each result is paired with a description of its meaning
  • Includes content category labels alongside the safety rating
Watch out for
  • A URL that has not been tested is rated Untested, so no safety result is available until it is checked
  • Trend Micro may block automated programs that submit large numbers of URLs

Trend Micro at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Trend Micro FAQ

What does an Untested rating mean?
The URL has not been tested before. Trend Micro will check it for the first time after it is submitted.
What factors affect a rating?
The page says ratings consider a website's age, historical locations, changes, and indications of suspicious activity discovered through malware behavior analysis.
Can I submit large numbers of URLs with an automated program?
Trend Micro reserves the right to block automated programs that submit large numbers of URLs for analysis.
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