AWS Security Services Cost Calculator

AWS Security Services Cost Calculator: 3-Scenario Budget Forecast

Monthly AWS security costs range from $0 to over $265K, depending on the complexity of your environment. Our cloud cost estimator models companies of all sizes, enabling you to budget with confidence.

Startup, Mid-size, and Enterprise scenarios
Detailed breakdowns of AWS security services
Underlying assumptions and formulas
Option to plug in your figures

Why do you need our AWS Cost Calculator?

Security and budgets must go hand in hand. With complex, tiered billing across AWS security services, it’s easy to overshoot. Our cost estimator helps you:

Plan with confidence and turn opaque usage metrics into predictable budget line items using AWS cost optimization best practices

Prioritize investments to see which services are driving your spend

Support FinOps, integrate security costs into your IT budget, and compare scenarios via AWS cost explorer

Enable chargebacks by allocating expenses by team, account, or region

Download the AWS Security Services Cost Estimator

What’s inside?

Scenario templates including preset usage assumptions (EC2, S3, CloudTrail, KMS keys, etc.)

Service breakdowns with line items, unit costs, tier calculations, and regional multipliers

Executive-friendly summary featuring board-ready tables and charts for strategic planning

Methodology notes providing a transparent explanation of how to apply AWS public pricing and volume discounts

Download the full cost tables with service-by-service line items

When to use our AWS cost calculator

Use for budget proposals to justify security spend for the next quarter or annual plan

Support internal audits and reviews by benchmarking costs against your security posture and compliance goals

Assist MDR/XDR onboarding by forecasting incremental spend when adding managed detection and response services

Help with vendor evaluation by comparing in-house AWS costs with third-party security offerings

Enable FinOps alignment by creating a shared, data-driven view of security expenses across Finance and Security teams

Master Your AWS Security Spend. Download the Cloud Security Services Cost Calculator: Three Scenarios. Zero Surprises.

Download the AWS Security Services Cost Calculator

Why choose UnderDefense for your AWS security

Our AWS expertise delivers proactive protection, not just alerts, keeping your cloud defenses agile and one step ahead of threats.

What makes us different:

AWS-focused, human-led, AI-augmented response
24/7 protection across all AWS accounts and regions
Optimization of your existing AWS tooling (GuardDuty, Security Hub, CloudWatch, and more) through AWS cost optimization strategies
Full control over your AWS accounts, keys, and data, always under your governance
Custom AWS detections and proactive threat hunting
Transparent SLAs with clear accountability

Talk to an Expert

AWS Security Services Cost Calculator

Use our AWS Pricing Estimator to forecast your monthly spend on Amazon security services.

Simply enabling security services isn’t enough—ongoing monitoring of alerts and events is essential for meaningful protection. Factor in both service costs and operational readiness to get a clearer picture of your cloud security investment.

Frequently asked questions

How much do AWS Security Services cost?

AWS security services cost roughly $269/month for a Startup (1 account, 1 region), about $4,742/month for a Mid-size setup (5 accounts, 2 regions), and approximately $265,263/month for an Enterprise deployment (20 accounts, 3 regions), with actual spend varying based on your specific resource counts, data volumes, pricing tiers, and regions.

Which AWS security services are included in the cost estimates?

The cost estimates include Amazon GuardDuty (VPC flow logs, CloudTrail events, S3 data events, EKS/RDS protection), Amazon Macie (buckets, objects monitored, data inspection), Amazon Inspector (EC2, ECR, Lambda scans, CIS assessments), AWS Key Management Service (key storage, API calls), and AWS Security Hub (security checks, findings ingestion, automation rules).

What is the AWS Security Services Cost Calculator?

The AWS Security Services Cost Calculator is a tool that estimates monthly costs for AWS security services like GuardDuty, Macie, Inspector, KMS, and Security Hub. It models three scenarios—Startup (1 account, 1 region), Mid-size (5 accounts, 2 regions), and Enterprise (20 accounts, 3 regions)—using AWS public pricing and volume discounts. It helps you budget confidently and align spending with your risk and compliance needs.

How do AWS security costs differ between the Startup, Mid-Size, and Enterprise scenarios?

AWS security costs increase from roughly $269/month for a Startup to about $4,742/month for a Mid-Size environment and soar to nearly $265,263/month for an Enterprise deployment, reflecting greater resource usage and multi-region scaling.

How does the AWS cost calculator help with FinOps and chargeback models?

By turning opaque usage metrics into predictable line items, you can allocate expenses by team, account, or region. This supports chargebacks, encourages cost accountability, and fosters a shared data-driven view between Finance and Security teams.

What support does UnderDefense offer with this AWS cost calculator?

UnderDefense provides AWS-focused security expertise with 24/7 protection across your accounts and regions, optimization of native tools like GuardDuty and Security Hub, custom detections and proactive threat hunting under transparent SLAs, and hands-on guidance to turn your cost estimates into actionable security plans.