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The cloud is an exciting place, where the realization of instant implementation and execution of enterprise applications and workloads at scale is achieved. As we move to utilize the cloud we tend to utilize already existing applications and operating systems that are baked into the cloud service provider’s frame. Baseline images and cloud virtual machines are readily available, and we quickly utilize these images to put our infrastructure in motion in the cloud. This presents some challenges in terms of security, as we tend to deploy first and secure second, which is not ideal from a proactive security stance.

Continuous deployment is becoming the normality. We are literally updating and changing our systems many times a day now in the cloud. New features become available and new ISV applications and services roll out on a continuous basis, and we leverage them rapidly.

To maintain a healthy cloud state for our infrastructure and applications, we need to focus our attention on managing towards a baseline configuration state and desired state configuration for our systems. We need to monitor, maintain and continuously be aware of our systems’ state of health and state of configuration at any given time.

Clients are evolving so quickly in the cloud that they end up  playing catchup on the security side of their cloud environment.  One way to support a proactive level of security for your cloud environment is to perform continuous vulnerability, assessment and remediation activities on a regular basis to ensure all areas of your cloud environment meet a baseline of security.

The cloud service providers are doing a lot of heavy lifting to support you to achieve a proactive security architecture, and they provide many different layers of tools and technologies to help you achieve this.

The first area to focus on is your machine library. Maintaining a secure baseline image scope across the catalog of your infrastructure and applications will ensure you can track and maintain those image states per role of operation. This helps to ensure that when the cataloged healthy state image takes an un-approved change, you become instantly aware of it and can roll back to a healthy image state, undo any compromises to image integrity and return to a secure and compliant operating state.

AWS has a great tool that helps us maintain configuration state management. AWS Config allows you to audit, evaluate and assess configuration baselines of your cloud resources continuously. It provides strong monitoring of your AWS resource configurations and support evaluating the state against your secure baseline and ensuring your desired state is maintain and recovered. It gives you the ability to quickly review changes to configuration state and how that state changes across the broad set of resources that make up your infrastructure or application.

It provides deep insight and details around resources, resource historical records and configuration and supports strong capabilities around compliance, specifically for your organization and specified resource guidelines.

Utilizing tools such as AWS Config provides you a strong first step in the path to achieving continuous security baseline protection and managing against vulnerabilities and unwarranted changes to your resources in production. Outside of AWS Config, AWS provides a strong suite of tools and technologies to help us achieve a more comprehensive security baseline. Check out Amazon System Manager, which supports a common agent topology across Windows and Linux with the SSM agent to support clients scanning and maintaining resource health and information continuously – not to mention it’s a great overall agent to maintain core IT operations management in AWS. We can maintain strong operational health of our cloud resources in AWS with Amazon CloudWatch.

One recent addition for security is Amazon GuardDuty, which provides intelligent threat detection and continuously monitors to protect your AWS accounts and workloads. Amazon GuardDuty is directly accessible through the amazon console and, with a few clicks, can be fully implemented to help support your workload protection proactively.

If you need assistance in achieving strong continuous security for your AWS cloud environment, 2nd Watch offers services to help our clients realize the security posture within their cloud environment today. We can also help create and customize a vulnerability, assessment and remediation strategy that will have long standing benefits in continuously achieving strong security defense in depth in the cloud.

-Peter Meister, Sr Director of Product Management

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