By Manish SampatOct 2, 2019Cybersecurity, Firewall
Researchers at Netflix and Google recently reported a vulnerability in the HTTP/2 protocol that enables adversaries to execute a DOS attack by legitimate use of the protocol. These types of attacks are very difficult to detect and mitigate because the traffic is valid...
By Christopher LiljenstolpeMay 25, 2018Blog, Cloud Native, Cloud Security, Firewall, Security
In the previous post, I introduced the concept that a cloud-native or microservice application environment is somewhat different than the environments that preceded it in some fairly fundamental ways. In this post, I’m going to explore one of these platforms to give...
By Christopher LiljenstolpeFeb 26, 2018Cloud Security, Cybersecurity, DevOps, Firewall, Project Calico, Security, Tigera Secure
This is the mystery of modern application development and deployment. You have a beautiful new application that is ready to go, but it requires ACL rule changes. Why does it take weeks (or often, months) to get a simple ACL change made in your infrastructure? The Bad...
By Cody McCainNov 2, 2017Calico, Firewall, Kubernetes, Security
I read about “The Law of Leaky Abstractions”, famously coined by Joel Spolsky in 2002, when I was still a young programmer. The wisdom imparted by this simple law stresses the importance of understanding, at least the basics of, the moving components in a software...
