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Prowling AWS
Snooping Around
Hearing that an external, independent organization has been commissioned to spend time actively attacking the cloud estate you have been tasked with helping to secure can be a little daunting – unless, of course, you are involved with a project at the seminal greenfield stage, and you have yet to learn what goes where and how it all fits together. To add to the complexity, if you are using Amazon Web Services (AWS), AWS Organizations can segregate departmental duties and, therefore, security controls between multiple accounts; commonly this might mean the use of 20 or more accounts. With these concerns and, if you blink a little too slowly, it's quite possible that you will miss a new AWS feature or service that needs to be understood and, once deployed, secured.
Fret not, however, because a few open source tools can help mitigate the pain before an external auditor or penetration tester receives permission to attack your precious cloud infrastructure. In this article, I show you how to install and run the highly sophisticated tool Prowler [1]. With the use of just a handful of its many features, you can test against the industry-consensus benchmarks from the Center for Internet Security (CIS) [2].
What Are You Lookin' At?
When you run Prowler against the overwhelmingly dominant cloud provider AWS, you get the chance to apply an impressive 49 test criteria of the AWS Foundations Benchmark. For some additional context, sections on the AWS Security Blog [3] are worth digging into further.
To bring more to the party, the sophisticated Prowler also stealthily prowls for issues in compliance with General Data Protection Regulation (GDPR) of the European Union and the Health Insurance Portability and Accountability Act (HIPAA)
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