Computer Science homework help

Part 1 Ethical Hacking
Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, typically covertly, so that the person using the keyboard is unaware that their actions are being monitored. Explain a situation where using a keyloggers may be used in either a legitimate (legal) way or used as a tool for criminals. Answer in 350 words
 
Part 2 Ethical Hacking
Locate an article on a system breach (Target stores, Sony Pictures, US Government, and many more). In 2-3 paragraphs, briefly explain the situation and what kind of information was compromised. How large was the breach and how long did it take to find the problem? Include a link to any of your Internet resources.