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Apply technical requirements (R1, R2, R9, R10, R13)
- R1: Add AWS_REGION to region fallback chain - R2: Replace openssl rand with /dev/urandom - R9: Remove Appendix/Generation details from READMEs - R10: Remove internal references - R13: Add REVISION-HISTORY.md
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‎tuts/092-aws-kms-gs/README.md‎

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- [Encrypting and decrypting data](https://docs.aws.amazon.com/kms/latest/developerguide/programming-encryption.html)
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- [Data keys](https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#data-keys)
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- [Deleting KMS keys](https://docs.aws.amazon.com/kms/latest/developerguide/deleting-keys.html)
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---
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## Appendix: Generation details
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| Field | Value |
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|-------|-------|
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| Generation date | 2026-04-14 |
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| Source script | New, 88 lines |
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| Script test result | EXIT 0, 7s, 7 steps, no issues |
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| Issues encountered | None |
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| Iterations | v1 (direct to publish) |

‎tuts/092-aws-kms-gs/REVISION-HISTORY.md‎

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# Revision History: 092-aws-kms-gs
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## Shell (CLI script)
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### 2026-04-14 v1 published
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- Type: functional
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- Initial version
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‎tuts/092-aws-kms-gs/aws-kms-gs.sh‎

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export AWS_DEFAULT_REGION="$REGION"
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echo "Region: $REGION"
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RANDOM_ID=$(openssl rand -hex 4)
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RANDOM_ID=$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 8 | head -n 1)
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ALIAS_NAME="alias/tutorial-key-${RANDOM_ID}"
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handle_error() { echo "ERROR on line $1"; trap - ERR; cleanup; exit 1; }

‎tuts/102-amazon-guardduty-gs/REVISION-HISTORY.md‎

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# Revision History: 102-amazon-guardduty-gs
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## Shell (CLI script)
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### 2026-04-14 v1 published
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- Type: functional
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- Initial version
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‎tuts/108-amazon-inspector-gs/README.md‎

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- [Understanding findings](https://docs.aws.amazon.com/inspector/latest/user/findings-understanding.html)
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- [Managing coverage](https://docs.aws.amazon.com/inspector/latest/user/managing-coverage.html)
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- [Amazon Inspector pricing](https://aws.amazon.com/inspector/pricing/)
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---
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## Appendix: Generation details
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| Field | Value |
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|-------|-------|
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| Generation date | 2026-04-14 |
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| Source script | New, 86 lines |
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| Script test result | EXIT 0, 11s, 5 steps, handled pre-existing enablement |
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| Issues encountered | None |
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| Iterations | v1 |

‎tuts/108-amazon-inspector-gs/REVISION-HISTORY.md‎

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# Revision History: 108-amazon-inspector-gs
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## Shell (CLI script)
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### 2026-04-14 v1 published
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- Type: functional
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- Initial version
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‎tuts/109-aws-securityhub-gs/README.md‎

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- [Security standards in Security Hub](https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-standards.html)
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- [Viewing findings](https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-findings-viewing.html)
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- [AWS Security Hub pricing](https://aws.amazon.com/security-hub/pricing/)
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---
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## Appendix: Generation details
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| Field | Value |
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|-------|-------|
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| Generation date | 2026-04-14 |
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| Source script | New, 84 lines |
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| Script test result | EXIT 0, 12s, 5 steps, fixed get-security-control-definitions call |
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| Issues encountered | None |
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| Iterations | v1 |

‎tuts/109-aws-securityhub-gs/REVISION-HISTORY.md‎

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# Revision History: 109-aws-securityhub-gs
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## Shell (CLI script)
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### 2026-04-14 v1 published
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- Type: functional
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- Initial version
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‎tuts/120-aws-sts-gs/REVISION-HISTORY.md‎

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# Revision History: 120-aws-sts-gs
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## Shell (CLI script)
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### 2026-04-14 v1 published
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- Type: functional
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- Initial version
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‎tuts/120-aws-sts-gs/aws-sts-gs.sh‎

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WORK_DIR=$(mktemp -d)
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LOG_FILE="$WORK_DIR/sts-$(date +%Y%m%d-%H%M%S).log"
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exec > >(tee -a "$LOG_FILE") 2>&1
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REGION=${AWS_DEFAULT_REGION:-$(aws configure get region 2>/dev/null)}
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REGION=${AWS_DEFAULT_REGION:-${AWS_REGION:-$(aws configure get region 2>/dev/null))}
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[ -z "$REGION" ] && echo "ERROR: No region" && exit 1
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export AWS_DEFAULT_REGION="$REGION"
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echo "Region: $REGION"
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RANDOM_ID=$(openssl rand -hex 4)
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RANDOM_ID=$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 8 | head -n 1)
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ROLE_NAME="sts-tut-role-${RANDOM_ID}"
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handle_error() { echo "ERROR on line $1"; trap - ERR; cleanup; exit 1; }
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trap 'handle_error $LINENO' ERR

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