Defence in depth. Threat intelligence. Boring, consistent work.
The security landscape moves faster than any single practitioner can track — zero-day markets, nation-state tooling leaks, and the AI-assisted lowering of the exploit-development skill floor have compressed the defender's advantage window significantly. This is an interest of mine that overlaps with everything else on the site.
I run a homelab security stack — network monitoring, fail2ban, Pi-hole, self-hosted logging — to understand the tooling at an operational level rather than just a theoretical one. Reading threat reports is useful; watching live SSH brute-force attempts on your own perimeter and analysing the patterns in real time provides a different depth of understanding. Most breaches don't originate from sophisticated zero-days but from unpatched services, credential reuse, and misconfigured access controls — the boring, consistent failure modes that discipline prevents.
My focus areas are network-level detection, supply-chain integrity, and practical hardening of self-hosted services. The defender's asymmetry problem — attackers need one success, defenders need 100% coverage — drives the need for layered controls: perimeter detection, internal segmentation, endpoint monitoring, and a culture that treats security as everyone's responsibility rather than a dedicated team's problem. What interests me about cybersecurity is how it connects to every other domain on this site — missile guidance involves cyber-physical security, fighter avionics involve electronic warfare and signals intelligence, rocket telemetry involves data integrity and communications security. The overlaps between disciplines are where the interesting problems live.
Check back later — I'm crafting something worth reading.
Deep dives on network defence, homelab SIEM setup, and threat intelligence feeds.