Tag: Automation
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The Firewall Was the Wrong Layer: Automating Threat Response with BGP
The Firewall Was the Wrong Layer: Automating Threat Response with BGP A LinkedIn post I wrote about this covers the story: a daily infosec email, a firewall policy cycle, and the decision to stop doing the same fix by hand. This post goes deeper into the mechanics behind Remote Triggered Black Hole (RTBH) routing. Specifically,…
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460 Devices, No Documentation, and the Pipeline That Changed That
The engagement had 460 managed devices and no current topology documentation. Network topology automation was the only viable path — manual spreadsheet work would have taken weeks and produced a point-in-time artifact no one could re-run. The Cisco design team needed three structured deliverables before they could move: device inventory, physical topology graph, VLAN/service map.…