AWS EC2 Security Groups Scanner
Analyzes EC2 security groups for overly permissive rules.
What is AWS EC2 Security Groups?
AWS EC2 Security Group testing identifies overly permissive network rules: open SSH/RDP to the internet, unrestricted database ports, overly broad CIDR ranges, and unnecessary inbound rules. Security groups are the primary network defense for EC2 instances.
Why is This Important?
Security groups control network access to EC2 instances. Overly permissive rules expose services to the internet that should be internal. Open SSH/RDP enables brute force attacks. Exposed databases lead to data breaches. Security group misconfigurations are easy to make and exploit.
How It Works
1. Cloud Asset Discovery
Inventories cloud resources across AWS, Azure, and GCP including storage, compute, IAM, and networking.
2. Configuration Audit
Analyzes cloud configurations against CIS benchmarks and security best practices for misconfigurations.
3. Risk Prioritization
Prioritizes findings by exploitability and business impact with cloud-native remediation steps.
Key Capabilities
Multi-cloud security posture management for AWS, Azure, and GCP with continuous compliance monitoring.
- Cross-cloud asset inventory and visibility
- CIS benchmark and compliance validation
- IAM policy and permission analysis
- Storage and data exposure detection
- Infrastructure-as-code security scanning
Frequently Asked Questions
What security group issues are most dangerous?
Highest risk: SSH (22) or RDP (3389) open to 0.0.0.0/0, database ports (1433, 3306, 5432) exposed to internet, all traffic allowed from any source, and security groups allowing traffic from other overly-permissive groups.
How do I find security group misconfigurations?
Discovery: use AWS Config rules, run ScoutSuite/Prowler, manually review security groups in console/CLI, check for rules with 0.0.0.0/0 source, and correlate with public-facing resources (ELB, EC2 with public IPs).
What are common mistakes with security groups?
Common mistakes: using 0.0.0.0/0 for 'quick testing' and forgetting, copying security groups between environments, not cleaning up unused rules, using overly broad CIDR blocks, and not segmenting by application tier.
How do I properly configure security groups?
Best practices: use specific IP ranges or security group references, separate groups per tier (web, app, db), regularly audit unused rules, implement change management, use VPC flow logs for visibility, and consider AWS Network Firewall for advanced controls.
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