diff --git a/SECURITY.md b/SECURITY.md
index 7059970bb8..e36162abd7 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -21,9 +21,13 @@ Users are urged to always use the latest version of a maintained branch.
 
 ## Use of TF-PSA-Crypto
 
-Note that Mbed TLS uses the cryptography API provided by TF-PSA-Crypto. Its
-security policy can be found
-[here](https://github.com/Mbed-TLS/TF-PSA-Crypto/blob/development/SECURITY.md).
+Note that Mbed TLS uses the cryptography API provided by TF-PSA-Crypto.
+Its
+[threat model](https://github.com/Mbed-TLS/TF-PSA-Crypto/blob/development/SECURITY.md#threat-model)
+applies to all cryptographic operations performed by Mbed TLS. In particular,
+users of Mbed TLS should note the considerations around
+[block ciphers](https://github.com/Mbed-TLS/TF-PSA-Crypto/blob/development/SECURITY.md#block-ciphers)
+since they apply to the block ciphers used in TLS.
 
 ## Threat model