diff --git a/docs/guidelines/index.md b/docs/guidelines/index.md
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--- a/docs/guidelines/index.md
+++ b/docs/guidelines/index.md
@@ -8,4 +8,5 @@ title: Appsec guidelines
 This section contains guidelines relevant anyone writing code in Equinor.
 
 - [Snyk](/snyk)
-- [Scanning for Secrets in code](secret-scanning)
\ No newline at end of file
+- [Scanning for Secrets in code](secret-scanning)
+- [Postman](postman)
\ No newline at end of file
diff --git a/docs/guidelines/postman.md b/docs/guidelines/postman.md
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@@ -0,0 +1,24 @@
+# Guidelines on using Postman
+
+## Lightweight API Client
+
+- This is the default client before the user is logged in to Postman services.
+  - The lightweight API client only stores client save data locally.
+  - Our recommendation is to use the lightweight client unless you need features from the logged-in client.
+
+## Logged-in client
+
+Logging in with a user account enables most of the features within Postman, this however comes with some security caveats. 
+
+- When using workspaces, collections and environments you potentially expose data.
+
+**Best practices**:
+
+- Avoid storing sensitive data anywhere except in environments.
+- Storing variable values **only** in the `Current value` field, will ensure that the data is never shared with Postman.
+- You should also use environment variables with a secret type to store sensitive data and credentials, including API keys and access tokens.
+
+### Resources to read more on Postman
+
+- [Postman Security & Trust Portal](https://security.postman.com/)
+- [Security | Postman Trust Center](https://www.postman.com/trust/security/)