FortiSIEM vs Amazon GuardDuty

FortiSIEM8.8Visit Amazon GuardDuty8.5Visit

Higher score FortiSIEM #5 in Security Monitoring 8.8/10 Pricing on request ✓ 0 of 2 features Visit Fortinet

vs

Amazon GuardDuty #8 in Security Monitoring 8.5/10 30-day trial Free trial✓ 0 of 2 features Visit AWS GuardDuty

• FortiSIEM fits best

  IT/OT teams needing SIEM and built-in SOAR

• Amazon GuardDuty fits best

  Teams running workloads on AWS

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Side by side

Feature	FortiSIEM 8.8/10 Visit ↗	Amazon GuardDuty 8.5/10 Visit ↗
At a glance
Editor score	8.8	8.5
Ranking	#5 in Security Monitoring	#8 in Security Monitoring
Best for	IT/OT teams needing SIEM and built-in SOAR	Teams running workloads on AWS
Pricing model	Paid	Paid
Starting price	Pricing on request	—
Free plan	Not checked yet	—
Free trial	—	30 days
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web	Web
Integrations	6 integrations	15 integrations
Features FortiSIEM 0/2 · Amazon GuardDuty 0/2
Automated response	Not checked yet	Not checked yet
Log search	Not checked yet	Not checked yet
Specs
Deployment	Hybrid	Not checked yet
Data source coverage	Not checked yet	Not checked yet
Data retention	Not checked yet	Not checked yet
Alerting channels	Not checked yet	Not checked yet
Our review
Pros	Collects and correlates events across multivendor IT/OT sources Combines UEBA detection with customizable rules and real-time analytics Includes investigation, response actions, SOAR playbooks, and compliance reporting	Monitors AWS logs, workloads, and data across multiple protection plans Covers EKS, EC2, Fargate, Lambda, S3, RDS, and AI workloads Routes findings into EventBridge-based notification and response workflows
Cons	Pricing requires contacting Fortinet sales The broad IT/OT feature set may exceed the needs of teams seeking a narrow SIEM Deployment and operating scope may take more planning across distributed environments	Coverage is limited to AWS cloud environments Pay-as-you-go costs vary by data source and AWS Region The 30-day offer is a trial, not a permanent free plan
Our verdict	FortiSIEM is Fortinet’s security information and event management platform for enterprises, managed security service providers, and organizations with IT and operational technology environments. It brings together event collection and… Read the review →	Amazon GuardDuty is a managed threat detection service for teams monitoring AWS accounts, workloads, and data. It analyzes AWS logs and activity to generate security findings with severity and resource details. Coverage spans foundational… Read the review →

Strengths and trade-offs

• FortiSIEM — where it wins

  • Collects and correlates events across multivendor IT/OT sources
  • Combines UEBA detection with customizable rules and real-time analytics
  • Includes investigation, response actions, SOAR playbooks, and compliance reporting

  Where it doesn't

  • Pricing requires contacting Fortinet sales
  • The broad IT/OT feature set may exceed the needs of teams seeking a narrow SIEM
  • Deployment and operating scope may take more planning across distributed environments

• Amazon GuardDuty — where it wins

  • Monitors AWS logs, workloads, and data across multiple protection plans
  • Covers EKS, EC2, Fargate, Lambda, S3, RDS, and AI workloads
  • Routes findings into EventBridge-based notification and response workflows

  Where it doesn't

  • Coverage is limited to AWS cloud environments
  • Pay-as-you-go costs vary by data source and AWS Region
  • The 30-day offer is a trial, not a permanent free plan

• FortiSIEM8.8/10 · Pricing on request

  A broad IT/OT SIEM with built-in SOAR, sold through Fortinet sales.

  Visit FortinetFull verdict →
• Amazon GuardDuty8.5/10 · 30-day trial

  Broad AWS threat detection with findings and response workflows, limited to AWS environments.

  Visit AWS GuardDutyFull verdict →