Discussion Question

1. Do you currently use, or have you used in the past, any computer security measures? If so, what do you use? If not, what measures would you consider using? What attacks are you trying to protect against? 250- 400 words

2. Why should you periodically change the key used to encrypt messages? What attack is more likely to succeed if a key has been used frequently? How frequently should the key be changed? 250- 400 words