It is as secure as possible, but this is a function of the WIFI service and not your Linksky server. If you want to maintain a higher level of security, then whenever you are accessing via a WIFI hot spot, don't access any aspect of any on-line account where the submission of a password is required.
There is plenty of information available on line about WIFI hotspots and tips for protecting your security. Searching Google using any of the following phrases will pull up pages and pages of info:
- security with accessing via wifi hotspot
- wifi hotspot security
- wifi access security
Let us know if we can help further.