Did you just stumble upon a download or a file on your computer that has been digitally signed by Netsec Interactive Solutions SRL? If that's the case, please read on.
You will probably see Netsec Interactive Solutions SRL when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for Netsec Interactive Solutions SRL with the following steps:
Here is a screencap of a file that has been signed by Netsec Interactive Solutions SRL:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Netsec Interactive Solutions SRL and that no one has tampered with the file.
If you click the View Certificate button shown in the screencap above, you can see 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 examine the address for Netsec Interactive Solutions SRL, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the Netsec Interactive Solutions SRL certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Netsec Interactive Solutions SRL files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/55 | vpnac.exe |
The detection percentage is based on that I've gathered 55 scan reports for the Netsec Interactive Solutions SRL files. 0 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: