AWS GuardDuty Threat

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AWS GuardDuty analyzes AWS logs (CloudTrail, VPC Flow Logs, DNS logs) to detect threats: brute-force attacks, compromised credentials, malware, unauthorized API access. It uses machine learning trained on AWS's security data. You enable GuardDuty, review findings, integrate with incident response. Mastery means understanding threat types, tuning false positives, automation, and compliance integration. Learning path: security fundamentals (1 week) → GuardDuty setup (1 week) → findings + response (2 weeks) → automation + tuning (1 week).

AWS GuardDuty Threat이란

AWS GuardDuty is a threat detection service. It analyzes CloudTrail logs (API calls), VPC Flow Logs (network traffic), and DNS logs to identify suspicious activity: compromised credentials, malware, brute-force attempts, unauthorized access, cryptomining. GuardDuty uses machine learning trained on AWS security data. It flags threats as "findings," which you investigate and respond to.

🔧 도구 & 생태계

AWS GuardDuty ConsoleAWS CloudTrailVPC Flow LogsEventBridgeSNS/SQS AlertsAWS LambdaSecurity HubAWS Config

📋 시작하기 전에

Cloud Platforms Cybersecurity

💰 지역별 연봉

지역	주니어	미들	시니어
USA	$70k	$115k	$160k
UK	£42k	£70k	£105k
EU	€48k	€75k	€115k
CANADA	C$75k	C$125k	C$170k

🎓 자격증

AWS Certified Security, Specialty AWS Certified Solutions Architect, Associate AWS Certified Cloud Practitioner

⚖ 비교하기

Cybersecurity Cloud Security Incident Management

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What types of threats does GuardDuty detect?

Reconnaissance (unusual API calls), compromised credentials, malware, unauthorized access, cryptomining, API abuse. ML-based, trained on AWS security data.

Does GuardDuty require any configuration?

Minimal, enable GuardDuty, it auto-analyzes CloudTrail + VPC Flow Logs. Configure notification channels (SNS, EventBridge) for alerts.

Are there false positives?

Yes, some. Example: legitimate security tools scanning ports can trigger findings. Tune whitelist rules. Eventually, false positives decrease as GuardDuty learns.

How much does GuardDuty cost?

CloudTrail events: ~$0.50 per million. VPC Flow Logs: ~$0.50 per million. Small org: $10-50/mo. Large: hundreds/mo.

Should I use GuardDuty or AWS Security Hub?

GuardDuty: threat detection (active monitoring). Security Hub: compliance + posture management (checks against CIS benchmarks). Use both.

Can I integrate GuardDuty with SIEM?

Yes, EventBridge sends findings to SNS, Lambda, or 3rd-party SIEM (Splunk, CloudSIEM). Automation critical.

Is GuardDuty suitable for production?

Yes, standard practice in security-conscious orgs. Integrates seamlessly. Caveats: requires incident response process.

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