Kubernetes History: How It Conquered Cloud Native Orchestration

Aqua Cloud Native Blog \ Tags: Kubernetes RBAC

Did you know that Kubernetes originally had no built-in features for managing user permissions, or that support for storing data persistently didn’t appear until Kubernetes was four years old?

SECURITY RESEARCH

First-Ever Attack Leveraging Kubernetes RBAC to Backdoor Clusters

We have recently discovered the first-ever evidence that attackers are exploiting Kubernetes (K8s) Role-Based Access Control (RBAC) in the wild to create backdoors. The attackers also deployed DaemonSets to take over and hijack resources of the K8s clusters they attack. Our research suggests that this campaign is actively targeting at least 60 clusters in the …

KUBERNETES SECURITY

Kubernetes RBAC: How to Avoid Privilege Escalation via Certificate Signing

Following on from our previous post on the risks of privilege escalation in Kubernetes via the node/proxy resource, we’re going to take a look at how users who have rights to the certificate signing request (CSR) API in Kubernetes might be able to use them to escalate their privileges in a cluster. In addition to …

KUBERNETES SECURITY

Privilege Escalation from Node/Proxy Rights in Kubernetes RBAC

One of the side effects of Kubernetes’ rich API and extensive functionality is that sometimes there are security implications to granting users permissions. Security architects should be aware of these side effects when designing platforms that use Kubernetes. In recent research with Iain Smart of NCC Group, we looked at how granting rights to node/proxy …

KUBERNETES SECURITY

RBAC Virtual Verbs: Teaching Kubernetes to Educate Dolphins

Kubernetes’ role-based access control (RBAC) system is a cornerstone of cluster security. Most clusters use RBAC to determine which users have access to specific operations, and its core elements are well covered in the Kubernetes documentation. However, there are some less well-known features that could be relevant when creating or using tools designed to ensure …

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Aqua Security is the pioneer in securing containerized cloud native applications from development to production. Aqua's full lifecycle solution prevents attacks by enforcing pre-deployment hygiene and mitigates attacks in real time in production, reducing mean time to repair and overall business risk. The Aqua Platform, a Cloud Native Application Protection Platform (CNAPP), integrates security from Code to Cloud, combining the power of agent and agentless technology into a single solution. With enterprise scale that doesn’t slow development pipelines, Aqua secures your future in the cloud. Founded in 2015, Aqua is headquartered in Boston, MA and Ramat Gan, IL protecting over 500 of the world’s largest enterprises.

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