Protect your business from advanced threats hidden in your inbox
Link Defender scans your emails against the largest, most accurate, and most up to date link reputation database in the industry
We have access to more than 13 billion URLs and growing
Did you know?
1 in 131 emails contain malware
43% of attacks are against small businesses
More than 63% of security breaches are caused by compromised user credentials
Visual representation of link reputations
Overall and detailed analysis
Easily integrates with Outlook
Discover your email's forecast!
Link Defender compares a link's reputation to weather-related symbols
Sunny skies!
This represents trustworthy links in emails
Cloudy days!
These links have a low risk of danger
Bring your umbrella!
These links have a moderate risk of danger
Flurries are approaching!
This email contains suspicious links
A storm is coming!
High risk links are present!
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.Ok