Merge pull request #77 from hyoshioka0128/patch-15

Fix link formatting in data security document

Author: leestott

7.1 Data security key concepts.md

@@ -52,7 +52,7 @@ In summary, data security is essential for safeguarding sensitive information, c
 
 ## Further reading
 
-- [What Is Data Security? | Microsoft Security](https://www.microsoft.com/en-au/security/business/security-101/what-is-data-security?WT.mc_id=academic-96948-sayoung)
+- [What Is Data Security? | Microsoft Security](https://www.microsoft.com/security/business/security-101/what-is-data-security?WT.mc_id=academic-96948-sayoung)
 - [Automatically Classify & Protect Documents & Data | Microsoft Purview Information Protection](https://youtu.be/v8LqmzBUaOo)
 - [Example data classification policy](https://www.cmu.edu/data/guidelines/data-classification.html)
 - [What is Data Security? Data Security Definition and Overview | IBM](https://www.ibm.com/topics/data-security)