Posts

2025

• CCNA 200-301: Exam Experience and Study Resources

  1 Nov 2025 #networking

  What I think of the CCNA exam, and the resources I used during my studies.

• VLAN Hopping Attack: EVE-NG Lab

  11 Oct 2025 #networking

  VLAN Hopping attack. How to escape your VLAN and get into any other VLAN in the network.

• Zero-Trust IoT lab at home (ESP32 + OpenWrt + mTLS + IDS + Honeypot)

  2 Sept 2025 #iot

  ESP32 talks MQTT over mTLS, the IoT Wi-Fi is isolated on its own VLAN, Suricata watches the traffic, a Cowrie honeypot lures attackers, and a small Flask dashboard ties the logs together.