LinuxSecurity.com

Open any internet-facing Linux server and check /var/log/auth.log or run journalctl -u ssh. If it has been up for more than a few minutes, you will see it. Repeated failed logins from IPs you do not recognize, cycling usernames, sometimes hitting root, sometimes trying ''admin,'' sometimes just random strings. It does not stop.

QR codes were originally designed for industrial logistics. They were optimized for efficiency, not security. In recent years, they have become embedded across enterprise workflows, authentication flows, ticketing systems, packaging, and internal documentation systems. That expansion has created a new attack surface.

You've probably heard that Wireguard is simpler and more secure. That sounds good, but it doesn't answer the question you actually have to deal with, which is whether it changes your risk profile or just rearranges it.