Week 6 & 7 discussions

DISCUSSION 6

Please respond to the following in a post of 150–200 words:

• Distinguish among character, block, and stream ciphers.
• Specify when to use each.

Note: Remember to cite any sources you use, including your textbook, using the Strayer Writing Standards format. 

DISCUSSION 7

The three major types of malicious activities that organizations’ information systems face include:

1. Hostile or malicious insider activity.
2. Theft of private, proprietary, or sensitive data, by      insiders or external attackers.
3. Large scale DoS (denial-of-service) attacks.

Go to Strayer University Library to research one of these types of malicious activities.

Please respond to the following in a post of 150–200 words:

Based on your research:

• Describe a present-day example of your selected type of      malicious activity and its impact on the organization.
• Specify the countermeasures the organization took to      address the malicious activity.
• Recommend at least one additional preventative      countermeasure and at least one countermeasure organizations could take to      address this type of activity once it has occurred.
• Provide a full citation and reference, formatted      according to Strayer Writing Standards. 
  • For assistance and information, please refer to the       Strayer Writing Standards link in the left-hand menu of your course.