Add missing links

Author: jonathanfrappier

content/well-architected-framework/docs/docs/secure-systems/data/protect-data-at-rest.mdx

@@ -27,18 +27,17 @@ For example, you can use Vault to issue your CI/CD pipeline dynamic credentials
 
 HashiCorp resources:
 
-- Learn to use Vault dynamic secrets
-- Learn to use versioned key/value secrets engine
-- Read how to retrieve CI/CD secrets from Vault.
-- Read the Vault's Key/Value (KV) secrets engine documentation
-- Enable transparent data encryption for Microsoft SQL with Vault
+- [Learn to use Vault dynamic secrets](/vault/tutorials/db-credentials)
+- [Learn to use versioned key/value secrets engine](/vault/tutorials/secrets-management/versioned-kv)
+- [Securely store secrets for CI/CD pipelines](/well-architected-framework/secure-systems/secure-applications/ci-cd-secrets)
+- [Vault Key/Value (KV) secrets engine documentation](/vault/docs/secrets/kv/kv-v2)
+- [Enable transparent data encryption for Microsoft SQL with Vault](/vault/docs/platform/mssql)
 
 External resources:
 
 - [Bank of New York Mellon Investigated for Lost Data Tape](https://www.bankinfosecurity.com/bank-new-york-mellon-investigated-for-lost-data-tape-a-862)
 - [What are cloud leaks?](https://www.upguard.com/blog/what-are-cloud-leaks)
-- Advanced Encryption Standard and Galois Counter Mode
-- Why you should use ephemeral credentials
+- [NIST Block Cipher Techniques](https://csrc.nist.gov/projects/block-cipher-techniques/bcm/current-modes)
 
 ## Next steps