What it checks
Whether the SMB port (445) used by Windows file sharing accepts a connection from the internet.
A pass means: Windows file sharing (SMB) is not reachable from the internet.
Possible findings
Windows file sharing reachable from the internet
Severity: HighConfidence: Medium confidenceKind: Security issue
What we found
The SMB port (445) accepted a connection from the internet.
Why it matters
SMB has a long history of serious remote vulnerabilities (including WannaCry) and should never be exposed to the internet.
How to fix it
Block port 445 at your firewall. Use a VPN or a cloud file service for remote access to files.