O'reilly Security Podcast - O'reilly Media Podcast

The O’Reilly Security Podcast: The problem with perimeter security, rethinking trust in a networked world, and automation as an enabler.In this episode, I talk with Doug Barth, site reliability engineer at Stripe, and Evan Gilman, Doug’s former colleague from PagerDuty who is now working independently on Zero Trust networking. They are also co-authoring a book for O’Reilly on Zero Trust networks. They discuss the problems with traditional perimeter security models, rethinking trust in a networked world, and automation as an enabler.Here are some highlights: The problem with perimeters Evan: The biggest issue with a perimeter model is that it tends to encourage system administrators to define as few perimeters as possible. You have your firewall, so anything out on the internet is bad, anyone on the inside is trusted, and maybe down the line you'll further segment this and add more firewalls. Maybe if you're really rigorous, you might do per-host firewalls, but in reality, most people say, ‘I