AWS Security Digest·Week 6 of 2026·Feb 3-9, 2026·3 items
Security Groups Finally Tell You What Uses Them
Security Groups finally show a "Related Resources" tab listing every dependent resource, a quality-of-life win years overdue. Security Agent now scopes shared VPCs. Claude Opus 4.6 lands in Amazon Bedrock.
In this issue1medium2info
Highlights
3 items
$ tail -f /var/log/aws-security.log
medium/Feature Launch/
EC2/VPC Security Groups "Related Resources" Tab GA
A new consolidated view in EC2 and VPC consoles shows all resources depending on a specific security group. Eliminates manual cross-service checking before configuration changes - you can now see at a glance which EC2 instances, RDS databases, Lambda functions, and other resources use a given security group. Available in all commercial regions at no cost.
EC2VPC
info/Feature Launch/
Security Agent: Penetration Tests on Shared VPCs
AWS Security Agent now enables penetration testing against VPC resources shared from other AWS accounts within the same organization. This supports multi-account security assessments without duplicating infrastructure.
Security AgentVPC
info/Service Update/
Claude Opus 4.6 Available in Amazon Bedrock
Anthropic's Claude Opus 4.6 model is now available through Amazon Bedrock, along with AWS Builder ID Sign in with Apple support.
Bedrock
Key Takeaway
1 item
$ cat WEEKLY_SUMMARY.md
The Security Groups "Related Resources" tab is a small but impactful quality-of-life improvement. Before making security group changes, you can now see exactly what will break. This should reduce outages caused by removing rules that were still in use.
These weekly digests are a starting point. Contact us for tailored threat briefings, security assessments, and architectural guidance for your AWS environment.