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This means that in the above example, if your instance is the When a finding is aggregated it is updated with information from the latest ID to alert you to the fact that there is a security issue associated with the new However, if GuardDuty detects SSH access activity targetingĪ new instance in your environment, it will create a new finding with a unique finding Security issue with the instance indicating that the SSH port on the instance is not properly This is because that finding represents a single Your instance will be aggregated to the same finding ID, increasing theĬount number in the finding's details. Without needing to look through multiple similar reports, and reduces the overall noiseįrom security issues you are already aware of.įor example, for UnauthorizedAccess:EC2/SSHBruteForce finding, multiple access attempts against This behavior allows you to identify ongoing issues,
#NEW FINDINGS UPDATE#
Same security issue it will update the original finding with the new information, instead Note of this information as it may indicate someone is looking forĪll findings are dynamic, meaning that, if GuardDuty detects new activity related to the There is no immediate recommended action, but it is worth making Network, for example, a port scan or a failed intrusion attempt. These might have to be changed orĪ low severity level indicates attempted suspicious activity that did not compromise your Verify the permissions that are attached to the implicated IAM role, Run an anti-virus scan on the implicated resource to detect Traffic, or enabled communication on a new port).Ĭheck if an authorized user changed the control panel settings, forĮxample, modified a security group setting. The behavior of a resource (for example, allowed higher than normal
#NEW FINDINGS SOFTWARE#
Things to consider when reviewing a Medium level finding:Ĭheck if an authorized user has installed new software that changed Remediation Steps to secure the resource. If you cannot identify the cause, or confirm the activity wasĪuthorized, you should consider the resource compromised and follow That the activity is authorized and consistent with your use case. Remediation steps will vary by resource andįinding family, but in general, you should be looking to confirm We recommend that you investigate the implicated resource at yourĮarliest convenience. See Remediation Steps for more details.Ī Medium severity level indicates suspicious activity that deviates from normally observedīehavior and, depending on your use case, may be indicative of a Terminate it, or rotate the IAM credentials.
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For example, clean up your EC2 instance or Immediate remediation steps to prevent further unauthorized use of your resources. We recommend that you treat any High severity finding security issue as a priority and take That the resource in question (an EC2 instance or a set of IAM userĬredentials) is compromised and is actively being used for unauthorized
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Into, High, Medium, and Low severity levels. Potential security issue that is highlighted by a finding, GuardDuty breaks down this range Higher values indicating greater security risk. The value of the severity can fall anywhere within the 0.1 to 8.9 range, with Potential risk the finding could have to your network as determined by our securityĮngineers. Severity levels for GuardDuty findingsĮach GuardDuty finding has an assigned severity level and value that reflects the Each finding type entry includes an explanation of that finding as well as tips and suggestions for remediation. View and search all available GuardDuty finding by type. Understand the format of GuardDuty finding types and the different threat purposes tracked by GuardDuty.
#NEW FINDINGS HOW TO#
Learn how to generate sample findings to test or better understand GuardDuty. Learn about the types of data available within GuardDuty findings.