Discuss and describe “information security”.

Briefly, in 200 words or less, discuss and describe “information security”.
Summarize, in approximately 200 words each, two found articles on the topic of this week.
………………..
Briefly, in 200 words or less, discuss and describe “social media”.
Summarize, in approximately 200 words each, four found articles on the topic of this week.

I need the link for the 4 articles