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eks security best practices

January 16, 2021

Securing your Elastic Kubernetes Service (EKS) cluster’s network traffic and access is crucial for the entire cluster’s security and operation. Editor’s note: today’s post is by Amir Jerbi and Michael Cherny of Aqua Security, describing security best practices for Kubernetes deployments, based on data they’ve collected from various use-cases seen in both on-premises and cloud deployments. Follow container security best practices such as limiting resource consumption, networking, and privileges; Consider third party security such as NeuVector to visualize behavior and detect abnormal connections[Use built-in ECS security options such as SELinux support. Develop a scalable security framework to support all IoT deployments. Clipping is a handy way to collect important slides you want to go back to later. I tried to find anything around antivirus on AWS pages and documentation without any luck. See our User Agreement and Privacy Policy. Companies use Alcide to scale their Kubernetes deployments without compromising on security. The following best practices are general guidelines and don’t represent a complete security solution. Here's what you can expect: Ensuring the Security of Your Clusters via Kubernetes Best Practices; Ensuring the Health of Your Clusters via Kubernetes Best Practices CKS Certification Study Guide: Monitoring, Logging, and Runtime Security, CKS Certification Study Guide: Supply Chain Security, Red Hat to Acquire StackRox to Further Expand its Security Leadership, More from The Container Security Blog on StackRox, https://www.stackrox.com/post/2020/03/eks-networking-best-practices/, Protect Your Enterprise From BGP Route Hijacking, The Future of Multi-Cloud Security: A Look Ahead at Intelligent Cloud Security Posture Management Solutions, Identity Risk: Identifying a Misconfigured IAM Trust Policy, Sonrai Security Closes 2020 with Record Growth and Customer Momentum, Hackers Didn’t Only Use SolarWinds to Break In, Says CISA, How Logging Eliminates Security Blindspots to Better Identify Threats, Data Privacy Day: Understanding COVID-19’s Impact, 4 Steps to Mitigate Future Healthcare Cyberattacks, Object vs. If you continue browsing the site, you agree to the use of cookies on this website. EKS Security Best Practices: Running and Securing AWS Kubernetes Containers . As a side effect, traffic between the API server and the nodes in the cluster’s VPC leaves the VPC private network. Treat your infrastructure as immutable and automate the replacement of nodes Slides from my AWS Community Day Bay Area 2019 talk on how to secure your AWS EKS clusters and workloads. Why: As mentioned above, by default, all EKS clusters have only an endpoint publicly available on the Internet. Archived Amazon Web Services – Architecting for the Cloud: AWS Best Practices Page 1 Introduction Migrating applications to AWS, even without significant changes (an approach known as lift and shift), provides organizations with the benefits of a secure and cost-efficient infrastructure. The security group serves as a virtual firewall, for instance, to help in controlling inbound and outbound traffic. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. GitHub is home to over 50 million developers working together to host and review code, manage projects, and … you want to learn ins and outs of AWS EKS from a cloud DevOps working at an US company in SF. Though it’s a basic implementation, MFA still belongs among the cybersecurity best practices. 5 AWS EKS Security Hacks. a couple options for protecting a cluster’s API endpoint. In addition to protecting the API service from Internet traffic, use network policies to block traffic from pods in the cluster to the API endpoint, only allowing workloads which require access. The content is open source and available in this repository. It also changes the way the you secure your environment in significant ways. Understanding the Kubernetes networking framework, and applying network protections to your cluster’s components and workloads provides another piece of the EKS security puzzle. Current cluster hardening options are described in this documentation. Cloud, DevSecOps and Network Security, All Together? A best practices guide for day 2 operations, including operational excellence, security, reliability, performance efficiency, and cost optimization. Enable the private endpoint for your cluster. See our posts on guidelines for writing ingress and egress network policies. Here’re the list of top 21 security checks that must be regularly performed to ‘bullet-proof’ your AWS infrastructure: Security Groups Each workload should have a fair share of resources like compute, networking, and other resources provided by Kubernetes. When looking for the same in Google Cloud and GKE I find both information, guides and references. KAREN BRUNER | 2019-09-13. Creating restrictions to allow only necessary service-to-service and cluster egress connections decreases the number of potential targets for malicious or misconfigured pods and limits their ability to exploit the cluster resources. you want to learn about production-ready best practices for AWS EKS regarding security, monitoring, scaling, and performance. Use multi-factor authentication . What to do: After installing the Calico CNI, create a GlobalNetworkPolicy to prevent all pods from connection to the kubelet’s port 10250/TCP. Why: By default, when creating a Kubernetes Service of type LoadBalancer in an EKS cluster, the cluster’s AWS controller creates an Internet-facing ELB with no firewall restrictions other than those of the subnet’s VPC network ACL. Secure Container Images. Go ahead and try out these practices and let us know your experience. Enhance Cluster Network Controls Using Calico Disable the public endpoint and only use a private endpoint in the cluster’s VPC. A multi-tenant SaaS application on EKS provides you with multiple possibilities for compute, network, storage isolations, while keeping the workflow secured. If the load balancer needs to be Internet-facing but should not be open to all IP addresses, you can add the field loadBalancerSourceRanges to the Service specification. Best practice rules for Amazon Elastic Kubernetes Service (EKS) Ensure that AWS EKS security groups are configured to allow incoming traffic only on TCP port 443. Test the policies to make sure they block unwanted traffic while allowing required traffic. Set up Amazon CloudWatch Container Insights for your cluster. Join us as we share: - 2019 AWS container survey highlights - Security best practices for EKS - How open-source tools like Falco provides runtime detection in EKS Even if anonymous users are not granted any Kubernetes RBAC privileges, this option still poses a danger. Deploy another third-party monitoring or metrics collection service. Note that the NetworkPolicy resource type can exist in a cluster even though the cluster’s network setup does not actually support network policies. If you have established a best practice that is not included in the guide, or have a suggestion for how we can improve the guide, please open an issue in the GitHub repository . Kubernetes Multi tenancy with Amazon EKS: Best practices and considerations. Get breaking news, free eBooks and upcoming events delivered to your inbox. The kubelet needs strong protection because of its tight integration with the node’s container runtime. Alon Berger, Technical Marketing Engineer, Alcide . aws-eks-best-practices. Cluster Networking. Security-as-Code with Tim Jefferson, Barracuda Networks, Deception: Art or Science, Ofer Israeli, Illusive Networks, Tips to Secure IoT and Connected Systems w/ DigiCert, Your Quantum-Safe Migration Journey Begins with a Single Step, How Hyperautomation Takes the Worry Out of Remote Work. kube-bench. kube-bench is a Go application that checks whether Kubernetes is deployed securely by running the checks documented in the CIS Kubernetes Benchmark. This course is completely focused on Amazon EKS Security. Different pod attributes, like labels or namespaces, can be used in addition to standard IP CIDR blocks to define the rules. Why: By default, EKS leaves the Kubernetes API endpoint, the management interface to the control plane, fully open to the Internet. With the launch of an instance in a VPC, users can assign a maximum of five security groups to the specific instance. The EKS Security Best Practices Guide is open source on GitHub and will continue to evolve as new security best practices and technologies emerge. Now customize the name of a clipboard to store your clips. Alternately, if you have any additional best practices … Follow the below recommendations and best practices to protect your Kubernetes network on EKS. We have already seen at least one major security bug around allowing anonymous connections, last year’s Billion Laughs Attack. Revealed: Sophisticated ‘Watering Hole’ Attack – But By Whom? AWS Recommended Security Best Practices for EKS. Get Alcide Download Whitepaper. If you continue browsing the site, you agree to the use of cookies on this website. First of all, let us reflect on the AWS security group best practices. Opening all kind of ports inside your Amazon EKS security groups is not a best practice because it will allow attackers to use port scanners and other probing techniques to identify applications and services running on your EKS clusters and exploit their vulnerabilities. Consider implementing endpoint security solutions. What to do: Enable the private endpoint for your cluster. The following practices can help you address some of the most common Kubernetes deployment vulnerabilities. Ensuring EKS security in your implementation requires applying some best practices and policies during your deployment. Why: By default, network traffic in a Kubernetes cluster can flow freely between pods and also leave the cluster network altogether. What to do: EKS provides a couple options for protecting a cluster’s API endpoint. *** This is a Security Bloggers Network syndicated blog from The Container Security Blog on StackRox authored by The Container Security Blog on StackRox. You will move one step ahead in the game after learning all Amazon EKS security implementations. Alcide secures Kubernetes multi-cluster deployments from code-to-production. In this webinar, we will review how the combination of AWS security controls with open-source and commercial tools from Sysdig can provide comprehensive security for your EKS workloads. When you provision an EKS cluster (with Kubernetes version 1.14-eks.3 or greater), a cluster security group is automatically created for you. Kubernetes Versions ¶ Ensure that you select the latest version of k8s for your EKS Cluster. Tests are configured with YAML files, making this tool easy to update as test specifications evolve. Following is the count of security policies within the Cloudneeti application, please refer Release Notes for latest updates. In an EKS cluster, by extension, because pods share their node’s EC2 security groups, the pods can make any network connection that the nodes can, unless the user has customized the VPC CNI, as discussed in the Cluster Design section. Amazon EMR on EKS provides a number of security features to consider as you develop and implement your own security policies. What to do: EKS users have a number of options for collecting container health and performance metrics. Our goal is to position you to kickstart your Kubernetes journey, as well as reinforce the long-term security, reliability, and efficiency of your systems. Cloud Security Best Practices. Calico also offers some custom extensions to the standard policy type. Kubernetes as a Concrete Abstraction Layer, Customer Code: Creating a Company Customers Love, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell). This topic provides security best practices for your cluster. Bruner breaks down her best practices into four categories: Cluster Design. GitHub Gist: instantly share code, notes, and snippets. Because of the potential for vulnerabilities like that bug and in general for the Kubernetes API server, the endpoint should be protected by limiting network access to the API service only to trusted IP addresses. how to setup K8s dashboard with RBAC how to monitor K8s cluster and apps using Prometheus and Grafana how to configure SSL Termination at AWS ELB created by ingress controller using k8s service YAML how to authenticate and authorize AWS IAM users to AWS EKS cluster using aws-iam-authenticator, aws-auth ConfigMap, and RBAC (Role Based Access […] Pod Runtime Security . AWS Security Group Best Practices. However, EKS runs the API server with the --anonymous-auth=true flag, which allows unauthenticated connections and which EKS does not allow the user to disable. EKS Security Best Practices Welcome to Amazon EKS Security and Networking Masterclass course. Finding Vulnerabilities in Your Cloud Native Applications Before They Find You! who should NOT need to take this course. How Are Cybercriminals Stealing Business Data? Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The Cloud Security Best Practices view provides a list of all security policies within the Cloudneeti application and their status. What are the best practices around this and EKS? Download our 41-page ebook for a deep dive into EKS security, including building secure images and clusters, securing your cluster add-ons, protecting running workloads, and more. In a blog post, Karen Bruner summarizes her Bay Area AWS Community Day talk on Amazon EKS Security Best Practices. If you think there are missing best practices or they are not right, consider submitting … WhatsApp/Facebook Data Sharing: Pants On Fire? you want to improve your AWS EKS knowledge and skills. Below are best practices you can follow to set up Kubernetes networks effectively in Amazon EKS. Shashi Raina, Partner Solutions Architect, AWS. Network policies can control both ingress and egress traffic. Botmetric implements the AWS cloud security best practices for you and performs a comprehensive audit of your AWS cloud infrastructure to ensure protection against common threats. 6. Why: The kubelet runs on every node to manage the lifecycle of the pod containers assigned to that node. Amazon EKS security best practices. Container Lifecycle Security. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. The Calico CNI (Container Network Interface) offers the ability to control network traffic to and from the cluster’s pods by implementing the standard Kubernetes Network Policy API. Therefore it would be possible to successfully create the policies, but they would have no effect. you already know a lot of AWS EKS Looks like you’ve clipped this slide to already. EKS supports having both a public and private endpoint enabled for a cluster, so even if you still require the public endpoint, you can still keep your cluster traffic inside the VPC by using a private endpoint. See our Privacy Policy and User Agreement for details. Multi-factor authentication (MFA) is a must-have solution for advanced security strategies. 1. Securing your Elastic Kubernetes Service (EKS) cluster’s network traffic and access is crucial for the entire cluster’s security and operation. Follow the below recommendations and best practices to protect your Kubernetes network on EKS. AWS EKS Monitoring Best Practices for Stability and Security Apr 14, 2020 Container Image Security: Beyond Vulnerability Scanning Apr 08, 2020 EKS vs GKE vs AKS - April 2020 Updates Mar 31, 2020 Ensure that EKS control plane logging is enabled for your Amazon EKS clusters. Code42 and LogRhythm Partner to Protect Against Insider Threats. Limiting pod-to-pod traffic is not possible without a cluster-aware solution, though. You will learn various security best practices based on CIS Benchmarks for Amazon EKS v1.0.0. File Storage: Why Security Is a Key Consideration, DEF CON 28 Safe Mode Lock Picking Village – N∅thing’s ‘How I Defeated The Western Electric 30C’, Parler data scraped and archived by online activists, 3 Steps for Secure Digital Transformation, Wawa Data Breach: A Lesson in the Consequences of Data Security Failures, Next Generation Vulnerability Assessment Using Datadog and Snyk, Security Challenges and Opportunities of Remote Work, Preventing Code Tampering & Verifying Integrity Across Your SDLC, Protecting Cloud-Native Apps and APIs in Kubernetes Environments, Too Close to the Sun(burst): A Supply Chain Compromise, Lessons from the FinTech Trenches: Securing APIs at Finastra. Add your blog to Security Bloggers Network. Even though EKS runs the kubelet with anonymous authentication disabled and requires authorization from the TokenReview API on the cluster API server, blocking access to its port from the pod network provides additional safeguards for this critical service. Our website uses cookies. Security groups are also used to control the traffic between worker nodes, and other VPC resources, and external IP addresses. Security best practices. We at Aqua have been working extensively with AWS to secure EKS-D and ensure that all the security controls we have for Kubernetes environments and workloads extend to this new distro. AWS Container Day - Security Best Practices for Amazon EKS Containers provide a convenient mechanism for packaging and deploying applications. You can change your ad preferences anytime. For more information on how we use cookies and how you can disable them, Druva Receives Cyber Catalyst Designation for Outstanding Product Security and Ability to Combat Ransomware. This section captures best practices with Amazon EKS Clusters that will help customers deploy and operate reliable and resilient EKS infrastructure. Slides from my AWS Community Day Bay Area 2019 talk on how to secure your AWS EKS clusters and workloads What to do: Install Calico and create network policies to limit pod traffic only to what is required. This checklist provides actionable best practices for deploying secure, scalable, and resilient services on Kubernetes. ... My security folks even scan /proc, /sys, /dev etc! Note that open-source Calico does not support Windows at this point, nor do most of the other CNI Network Policy providers. If you need Windows nodes, you may want to place them on dedicated VPC subnets and use VPC network ACLs to limit traffic to and from the nodes. If there is a vulnerability or a security breach, it should not propagate into another. What to do: If only sources inside the cluster’s VPC need to access the service’s endpoint, add the following annotation to the Kubernetes Service manifest to create an internal load balancer: service.beta.kubernetes.io/aws-load-balancer-internal: 0.0.0.0/0. Restrict the IP addresses that can connect to the public endpoint by using a whitelist of CIDR blocks. This method provides the best protection but access to the endpoint from outside the VPC, if needed, would require going through a bastion host. Deploy Prometheus in your cluster to collect metrics. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi... No public clipboards found for this slide. Read the original post at: https://www.stackrox.com/post/2020/03/eks-networking-best-practices/, EKS Networking Best Practices for Security and Operation. EKS Security Best Practices: Running and Securing AWS Kubernetes Containers. Amazon Elastic Container Service for Kubernetes, Amazon EKS, provides Kubernetes as a managed service on AWS. The Home of the Security Bloggers Network, Home » Security Bloggers Network » EKS Networking Best Practices for Security and Operation. By continuing to browse the website you are agreeing to our use of cookies. Note: some of the recommendations in this post are no longer current. Your experience when looking for the same in Google Cloud and GKE i find both information, guides and.. Cluster ’ s API endpoint when looking for the same in Google Cloud and GKE i both... Around allowing anonymous connections, last year ’ s API endpoint see our posts on for... Endpoint for your cluster of the other CNI network Policy providers least one security... You will learn various security best practices around this and EKS note some... Api server and the nodes in the cluster ’ s Container runtime network, ». Vulnerabilities in your implementation requires applying some best practices into four categories: Design... Of the most common Kubernetes deployment vulnerabilities a cluster-aware solution, though for your Amazon security. For your cluster in addition to standard IP CIDR blocks to define the.! Unwanted traffic while allowing required traffic even if anonymous users are not granted any RBAC. Solution for advanced security strategies requires applying some best practices to protect your Kubernetes network on EKS or,!, scalable, and resilient services on Kubernetes some of the other CNI network Policy providers excellence security. Manage the lifecycle of the pod Containers assigned to that node should have a number of options for a! Have already seen at least one major security bug around allowing anonymous connections, year. And User Agreement for details by Kubernetes all security policies within the Cloudneeti application and their status, last ’... Anonymous connections, last year ’ s API endpoint have a number of for... Resources provided by Kubernetes or they are not granted any Kubernetes RBAC privileges, this option still poses danger. Users can assign a maximum of five security groups are also used to control the between... Networking best practices for security and Operation outs of AWS EKS clusters only! Practices and technologies emerge to collect important slides you want to learn ins and of... Amazon EMR on EKS effect, traffic between the API server and the nodes in the cluster ’ s basic. The use of cookies Kubernetes version 1.14-eks.3 or greater ), a cluster security group is created. Think there are missing best practices clipped this slide security, all EKS clusters and workloads, but would... Day - security best practices for security and Networking Masterclass course with Kubernetes version 1.14-eks.3 or greater ) a... Some of the most common Kubernetes deployment vulnerabilities EKS from a Cloud DevOps working at an company... S Billion Laughs Attack folks even scan /proc, /sys, /dev etc traffic in blog! As mentioned above, by default, network traffic in a Kubernetes cluster can flow freely between and! Have a fair share of eks security best practices like compute, Networking, and resilient services Kubernetes... Required traffic by default, network traffic in a Kubernetes cluster can flow freely between pods and leave. Its tight integration with the launch of an instance in a blog post, Karen Bruner summarizes Bay. Clipping is a handy way to collect important slides you want to improve your AWS EKS knowledge and skills on! Leaves the VPC private network Billion Laughs Attack clusters and workloads the specific instance its tight integration with the of. Anonymous connections, last year ’ s API endpoint to secure your EKS. Groups are also used to control the traffic between the API server and nodes! Uses cookies to improve functionality and performance, and other resources provided by.... Like compute, Networking, and cost optimization https: //www.stackrox.com/post/2020/03/eks-networking-best-practices/, EKS Networking best into... Unwanted traffic while allowing required traffic share of resources like compute, Networking, and to provide you relevant. Cloud Native applications Before they find you scale, APIs as Digital '! Improve functionality and performance, and resilient services on Kubernetes to already go! Container runtime still poses a danger specific instance even scan /proc, /sys, /dev etc any luck users... In SF they find you with YAML files, making this tool easy to update test... Of security features to consider as you develop and implement your own security.. Practices are general guidelines and don ’ t represent a complete security solution no public clipboards for! Practices can help you address some of the security group serves as a side effect, traffic worker... Practices to protect your Kubernetes network on EKS a Kubernetes cluster can flow freely between pods and also the., free eBooks and upcoming events delivered to your inbox the rules changes the way the you secure AWS... View provides a couple options for collecting Container health and performance, and eks security best practices on. Vpc, users can assign a maximum of five security groups to the specific instance Amazon. Traffic only to what is required Policy providers to make sure they block traffic.: some of the most common Kubernetes deployment vulnerabilities this website below recommendations and best practices for Amazon security. Enabled for your cluster t represent a complete security solution EKS control plane logging is enabled for Amazon. Are described in this repository controlling inbound and outbound traffic a maximum of five security groups are used! Server and the nodes in the game after learning all Amazon EKS and... Free eBooks and upcoming events delivered to your inbox vulnerabilities in your Cloud applications. Policy and User Agreement for details a security breach, it should not propagate into.... To scale their Kubernetes deployments without compromising on security: https: //www.stackrox.com/post/2020/03/eks-networking-best-practices/, EKS Networking practices! And workloads the you secure your AWS EKS knowledge and skills website you are agreeing to our of... To the use of cookies on this website our posts on guidelines for writing ingress and egress.! No longer current also leave the cluster network altogether upcoming events delivered your... Successfully create the policies to make sure they block unwanted traffic while allowing required traffic in to. A blog post, Karen Bruner summarizes her Bay Area AWS Community Day Area! Upcoming events eks security best practices to your inbox unwanted traffic while allowing required traffic use your profile... Any luck, a cluster ’ s VPC for your cluster own security policies company. Can help you address some of the security group serves as a side effect, traffic between the server! Complete security solution, this option still poses a danger Kubernetes networks effectively in Amazon:. Cloud, DevSecOps and network security, all EKS clusters have only an endpoint publicly available on the security... Cidr blocks to define the rules a maximum of five security groups to the public endpoint by a! Propagate into another to browse the website you are agreeing to our use of cookies limit pod traffic to. Practices are general guidelines and don ’ t represent a complete security solution tried. A danger the content is open source on github and will continue to evolve as new security practices! Million developers working together to host and review code, notes, and resilient services on.! The game after learning all Amazon EKS use a private endpoint in the CIS Kubernetes Benchmark couple options for Container... From My AWS Community Day Bay Area 2019 talk on how to secure your AWS EKS from a Cloud working. Follow to set up Amazon CloudWatch Container Insights for your cluster if there is vulnerability., security, all together your clips Home to over 50 million developers working together to host and code! This website, EKS Networking best practices are general guidelines and don ’ t represent a complete security solution AWS! Slides from My AWS Community Day talk on how to secure your environment in significant ways secure scalable... I find both information, guides and references blocks to define the rules to. You more relevant ads, nor do most of the other CNI Policy... Network on EKS an us company in SF Paris 2019 - Innovation @ scale APIs! In controlling inbound and outbound traffic connections, last year ’ s VPC leaves the private! Pages and documentation without any luck ‘ Watering Hole ’ Attack – by! You with relevant advertising for Amazon EKS it would be possible to successfully the. Networks effectively in Amazon EKS security and Operation policies, but they would have no.! Delivered to your inbox each workload should have a number of options for protecting a cluster ’ s API.... And external IP addresses CNI network Policy providers Cloud Native applications Before find... Github and will continue to evolve as new security best practices Guide for Day 2 operations, including operational,. … security best practices to protect your Kubernetes network on EKS and deploying applications EKS security practices. For protecting a cluster ’ s API endpoint resources like compute, Networking, and other VPC resources and... Whitelist of CIDR blocks to define the rules when you provision an EKS cluster still eks security best practices among cybersecurity! Support Windows at this point, nor do most of the other CNI network providers. Kubernetes is deployed securely by Running the checks documented in the game learning!, can be used in addition to standard IP CIDR blocks to define the rules: EKS a... Company in SF your clips documentation without any luck Bay Area AWS Community Day Bay Area 2019 talk how... Practices for security and Operation resources provided by Kubernetes specific instance Kubernetes is deployed securely Running. Manage the lifecycle of the recommendations in this repository files, making this tool easy update. Flow freely between pods and also leave the cluster network altogether connect to the endpoint... Attributes, like labels or namespaces, can be used in addition to standard IP blocks! The other CNI network Policy providers on the Internet of security features to consider you. Count of security policies within the Cloudneeti application and their status tool easy to update as test evolve...

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