What are common threats/vulnerabilities to data systems such as web applications and data servers.

What are common threats/vulnerabilities to data systems such as web applications and data servers. What is the greatest area of vulnerability and potential for damage and/or data loss of such data systems.

Devise one attack scenario, as an example, where a hacker could use the area of vulnerability in order to gain access to a network or sensitive data. Examine the primary ways in which the hacker could execute such an attack, and suggest the strategic manner in which a security professional could prevent the attack.

Explore the primary role that the human element could play in adding to the attack scenario.