Nov 12, 2018
@IanColdwater https://www.redteamsecure.com/ *new gig*
So many different moving parts
She’s working on speaking schedule for 2019
How would I use these at home?
Kubernetes - up and running
General wikipedia article (with architecture diagram): https://en.wikipedia.org/wiki/Kubernetes
https://twitter.com/alicegoldfuss - Alice Goldfuss
Tesla mis-configured Kubes env:
Redlock report mentioned in Ars article: https://redlock.io/blog/cryptojacking-tesla
Setup your own K8s environment: https://kubernetes.io/docs/setup/pick-right-solution/#local-machine-solutions (many options to choose from)
Securing K8s implementations: https://kubernetes.io/docs/tasks/administer-cluster/securing-a-cluster/
What R U protecting?
Who R U protecting from?
What R your Adversary’s capabilities?
What R your capabilities?
Defenders think in Lists
Attackers think in Graphs
What are some of the visible ports used in K8S?
44134/tcp - Helmtiller, weave, calico
10250/tcp - kubelet (kublet exploit)
No authN, completely open
10255/tcp - kublet port (read-only)
4194/tcp - cAdvisor
2379/tcp - etcd
Etcd holds all the configs
CVE for K8S subpath - https://kubernetes.io/blog/2018/04/04/fixing-subpath-volume-vulnerability/
Advice securing K8S is standard security advice
Use Defense in Depth, and least Privilege
Be aware of your attack surface
Keep your threat model in mind
David Cybuck (questions from Slack channel)
My questions are: 1. Talk telemetry? What is the best first step for having my containers or kubernetes report information? (my overlords want metrics dashboards which lead to useful metrics).
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