Social engineering attacks exploit human psychology rather than technical vulnerabilities. The killing with keyboards slideshow showcases a social engineering attack leading to tragic loss of life.
Discuss the multifaceted nature of social engineering threats and effective strategies for awareness and defense. Respond to the following questions in your post and provide APA formatted references:

1. What are some common methodologies employed in social engineering attacks?
2. How has social engineering evolved over time?
3. How significantly do awareness and education programs contribute to the prevention of social engineering attacks?
4. What are the key strategies and techniques employed by individuals and organizations to prevent and reduce the risk of social engineering attacks, and how effective have these approaches proven to be in real-world scenarios?