Did you just find a download or a file on your computer that is digitally signed by Sampan Security Inc.? If that's the case, please read on.
You will typically see Sampan Security Inc. when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the additional details from the Sampan Security Inc. digital signature with the following procedure:
Here's a screenshot of a file that has been signed by Sampan Security Inc.:

As you can see in the screencap above, the Windows OS reports that "This digital signature is OK". This implies that the file has been published by Sampan Security Inc. and that no one has tampered with the file.
If you click the View Certificate button shown in the screencap above, you can view all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also see the address for Sampan Security Inc., such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Sampan Security Inc. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.
The following are the Sampan Security Inc. files I have gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the Sampan Security Inc. files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by Sampan Security Inc..
| Detection Ratio | File Name |
|---|---|
| Not available | FireTowerUI.exe |
The analysis has been done on certificates with the following serial numbers: