Author: Jonathan Jenkyn

November 24, 2025: In line with updates made to service control policies (SCP) support for condition statement logic, we’ve updated content on an approach for restricting model access. April 9, 2025: We updated content about Amazon Bedrock Guardrails to cover the recently added condition key bedrock:GuardrailIdentifier. March 27, 2025: Two policies in this post were […]

June 20 2023: The wording in this post has been updated to avoid confusion around the use of wildcards in the principal element of an AWS Identity and Access Management (IAM) trust policy statement. November 3, 2022: We updated this post to fix some syntax errors in the policy statements and to add additional use […]

When AWS customers open their first account, they assume the responsibility for securely managing access to their root account credentials, under the Shared Responsibility Model. Initially protected by a password, it is the responsibility of each AWS customer to make decisions based on their operational and security requirements as to how they configure and manage […]

In this post, I review the options you have to protect your customer data when migrating or building new databases in Amazon Web Services (AWS). I focus on how you can support sensitive workloads in ways that help you maintain compliance and regulatory obligations, and meet security objectives. Understanding transparent data encryption I commonly see […]

I’ve conducted more security audits and reviews than I can comfortably count, and I’ve found that these reviews can be surprisingly open to interpretation (as much as they try not to be). Many companies use spreadsheets to explain and limit business risks, with an annual review to confirm the continued suitability of their controls. However, […]