The fake file
A familiar cloud page asks for your password in an unexpected place. MailBoxster looks for warning signs beyond the logo.
Evidence
Trust needs evidence.
Internal measurements, 11 September 2026. Limited test conditions, being expanded. These results do not guarantee detection of every threat or zero future false positives.
Updated 11 September 2026Evidence
0 false positives observed
Tranco top 10,000 URL roots tested
No clear slowdown measured
Internal Speedometer browser benchmark
Local analysis
Your browser does the work
Internal measurements, 11 September 2026. Limited test conditions, being expanded. These results do not guarantee detection of every threat or zero future false positives.
Web Security
You browse. It keeps watch.
One automatic protection policy. No security level to choose. URLs, embedded reputation lists and page signals work together.
See the guardian in actionThe false permission
A request can invite you to authorise an unknown app or share a device code. MailBoxster checks for signs of a deceptive request.
The hidden destination
A form may send sensitive information to an unrelated messaging service. MailBoxster can flag suspicious destinations.
MailBoxster Web Security
Give your next click a guardian.
Free at launch. No account needed.