Linux usually “just works” - and often securely - right out of the box. But the default settings can always be improved, and a few misguided sudo commands can leave your system vulnerable. This rapid-fire session packs in practical tips for hardening Linux systems, whether you’re running a server, desktop, or tiny embedded device. Learn how to harden authentication flows, isolate processes with systemd, and much more.
Esa Jääskelä
Esa is an embedded systems engineer with a focus on Linux, cybersecurity, and programming. He has worked in embedded Linux development since 2016, and also explores system hardening and shares technical insights on his blog at ejaaskel.dev.
