diff --git a/content/notes/01-big-picture.md b/content/notes/01-big-picture.md
index 8edeeefa8..fd2fd46d4 100644
--- a/content/notes/01-big-picture.md
+++ b/content/notes/01-big-picture.md
@@ -5,4 +5,60 @@ tags:
 - comp210
 ---
 
+# In the news
 
+- [Axie hack](https://thehackernews.com/2022/07/hackers-used-fake-job-offer-to-hack-and.html)
+- 
+
+# Why info sec
+- more interconnected
+	- more exposure
+- software devs need to know about security
+- often security is an afterthought
+	- this is bad
+- IS proatects the ability of an organisation to function
+	- also protects reputation
+
+# What is security
+- protecting assets from harm or damage
+- related concepts
+	- nation security (political security)
+	- safety (health)
+	- environmental security (clean environement)
+	- information security 
+	- economic security (stability of ecomony)
+
+# What is information secuity
+- focus of protecting information assets
+	- data, systems, equipment, infrastructure
+- intentional and accidental risks
+
+> "The preservation of confidentiality, integrity and availability of information; in addition, other properties such as authenticity, accountability, non-repudiation and reliability can also be involved.” 
+> (ISO27000 Information Security Management Systems – Overview and Vocabulary)
+
+# Continuous need
+- environment is rapidly changing
+- innovation is rapid
+- cloud computing
+- more ICT capabilities introduce new attack vectors
+
+# Components of Info systems
+can all be sources of attacks
+
+- data
+	- e.g., bank: unauthorised acces to data
+- people
+	- e.g., social engineering
+- hardware
+	- e.g., physical security (usually)
+- software
+	- e.g., most common
+- netowrk
+	- e.g., lost os possibilities for attack
+- procedures
+	- e.g., back: inside knowledge of faults within the business, that can be exploited
+
+# CIA Triad
+- Confidentiality
+- Availability
+- Integ
\ No newline at end of file
diff --git a/content/notes/cosc-210.md b/content/notes/comp-210.md
similarity index 89%
rename from content/notes/cosc-210.md
rename to content/notes/comp-210.md
index bc975ed4f..4956b2feb 100644
--- a/content/notes/cosc-210.md
+++ b/content/notes/comp-210.md
@@ -1,11 +1,11 @@
 ---
-title: "cosc-210"
+title: "comp-210"
 aliases: Information Assurance
 year: 2022
 semester: 2
 tags: 
 - course
-- cosc210
+- comp210
 ---
 
 # Assignments
diff --git a/content/notes/uni-notes.md b/content/notes/uni-notes.md
index 6963b8d0a..ec3150f8c 100644
--- a/content/notes/uni-notes.md
+++ b/content/notes/uni-notes.md
@@ -14,5 +14,5 @@ tags:
 ## 2022 s2
 - [cosc-203](notes/cosc-203.md)
 - [cosc-204](notes/cosc-204.md)
-- [cosc-210](notes/cosc-210.md)
+- [comp-210](notes/comp-210.md)
 - [math-202](notes/math-202.md)