Every vendor keeps evolving their products, and from time to time they release a “new revolutionary version.” Marketing always claims it’s a game changer in the industry 🙂 Palo Alto Networks just released PAN-OS 12.1.x (after 12.0.x). Marketing says it’s innovative software with quantum protection and other fancy words. Let’s skip the hype and look… Read More »PAN-OS 12 – What’s New
The last part of DNS security scenarios — this time DNS will be used as a command and control (C2) channel. DNS has limitations, which is why using it for data transfer is quite slow and impractical. However, using it for a C2 channel is a completely different story. My lab scenario For C2 communications,… Read More »DNS tunneling vs network security controls part 5
Visibility, visibility and visibility. Crucial and basic thing to secure infrastructure, if you cannot see something, than you cannot protect as well. DNS protocol is quite challenging from security perspective, it’s like phone book of Internet and cannot be blocked. DNS server has to have communications with external DNS server and that is enough to… Read More »DNS over TLS/DNS over HTTPS