Copilotfree, in-browser
Ask me anything about your lessons or your code.
“What is a port?” · “Why is my code erroring?”
Ask me anything about your lessons or your code.
“What is a port?” · “Why is my code erroring?”
A firewall is only as good as the rules you write, and most rulesets leak.
Firewalls and Rulesets
A firewall is only as good as the rules you write, and most rulesets leak.
IDS and IPS
One tells you an attack happened, the other stops it mid-packet, and the difference is where you place the box.
Network Segmentation
Flat networks mean one compromised laptop reaches the domain controller. Segmentation is how you make that not true.
VPNs and Zero Trust
A VPN that drops you onto the flat corporate LAN just gave the attacker a tunnel straight in. Zero trust fixes the model.
Detecting Lateral Movement
The breach is rarely the interesting part. Watching the attacker move from the first box to the domain controller is where you catch them.