What is the frequency of open security bugs in an operating system with increasing age?

I am having a discussion with friends and my point is that the older a feature-frozen operating system is, the fewer security bugs are left unpatched and therefore the cost for the company to fix them decreases with age.
My assumption is: … Continue reading What is the frequency of open security bugs in an operating system with increasing age?

What are the risks resulting from having a switch without strong access control directly facing the Internet?

At home I have a connection to my provider via glass fiber that provides two VLANs: IPTV and Internet.

The structure of the network is exactly as shown in the following image, except for the phone connection, that I don’t ha… Continue reading What are the risks resulting from having a switch without strong access control directly facing the Internet?