Suspicious activity
AWS GuardDuty detects RDP brute force attempts on an exposed unpatched Windows instance
Risk Level
Imminent Compromised (2)
Platform(s)
Compliance Frameworks
Brazilian General Data Protection (LGPD), CCM-CSA, cis_8, Data Security Posture Management (DSPM) Best Practices, GDPR, HITRUST, ISO/IEC 27001, Mitre ATT&CK, New Zealand Information Security Manual, NIST 800-171, NIST 800-190, NIST 800-53, UK Cyber Essentials
Description
Brute force attempts were detected by AWS GuardDuty service on the Internet facing Unpatched Windows EC2 instance {AwsEc2Instance} ({AwsEc2Instance.InstanceId}). AWS GuardDuty is a threat detection service that continuously monitors your AWS accounts and workloads for malicious activity. The service detects one of the following types of brute force attempt (Impact:EC2/WinRMBruteForce, UnauthorizedAccess:EC2/RDPBruteForce) on an EC2 instance that Orca has identified as exposed to the Internet and with an OS that hasn't been patched in a long time.
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