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AWS Authentication

Make sure you have properly configured your AWS-CLI with a valid Access Key and Region or declare AWS variables properly (or instance profile/role):

aws configure

or

export AWS_ACCESS_KEY_ID="ASXXXXXXX"
export AWS_SECRET_ACCESS_KEY="XXXXXXXXX"
export AWS_SESSION_TOKEN="XXXXXXXXX"

Those credentials must be associated to a user or role with proper permissions to do all checks. To make sure, add the following AWS managed policies to the user or role being used:

  • arn:aws:iam::aws:policy/SecurityAudit
  • arn:aws:iam::aws:policy/job-function/ViewOnlyAccess
Note

Moreover, some read-only additional permissions are needed for several checks, make sure you attach also the custom policy prowler-additions-policy.json to the role you are using. If you want Prowler to send findings to AWS Security Hub, make sure you also attach the custom policy prowler-security-hub.json.

Profiles

Prowler can use your custom AWS Profile with: 

prowler <provider> -p/--profile <profile_name>

Multi-Factor Authentication

If your IAM entity enforces MFA you can use --mfa and Prowler will ask you to input the following values to get a new session:

  • ARN of your MFA device
  • TOTP (Time-Based One-Time Password)