diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 2b664f0..9356479 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2201,7 +2201,14 @@
 							  policy and regulation, including the prevention of
 							  unauthorized access or misuse of the data that I
 							  agreed to share
-						-
+						- Information Security x Privacy
+							- Information security and privacy are **closely related,
+							  but distinct concepts**
+							- Privacy is :-> an individual’s right to control the use and
+							  disclosure of their own personal information
+							- Information security is :-> the process used to keep
+							  data private
+							- Security is the process; privacy is the result
 					- Trends and drivers of cybersecurity
 					- Key concepts
 					- Risk management