"Importance of Security Policies"  Please respond to the following:Explain the significance of information systems security policies and the challenges and issues associated with ineffective or none

"Importance of Security Policies"  Please respond to the following:

• Explain the significance of information systems security policies and the challenges and issues associated with ineffective or nonexistent policies in an organization. 
• Propose three methods that organizations can use to increase the acceptance of policies within their organization. Explain the potential challenges to implementing these methods.
• Post two times for full credit.
• Please provide a reference for your initial posting.