If a computer gets infected with malware, can the host firewall block the malware from communicating back to its controller on the internet?

I’m trying to figure out how secure a host firewall is, hence the question in the title.
I read that many firewalls allow outbound connections to port 80 to allow browsing, would that be enough for the malware to communicate to the control… Continue reading If a computer gets infected with malware, can the host firewall block the malware from communicating back to its controller on the internet?

Are all encrypted tunnels also considered virtual private networks (VPN)?

A few days ago, a colleague and myself were having a discussion specifically on site-to-site VPNs. My understanding, and how I was taught, are that all encrypted tunnels are virtual private networks because:

They use a virtual interface t… Continue reading Are all encrypted tunnels also considered virtual private networks (VPN)?