The document addresses key aspects of IT security, focusing on national policies like NSTISSP that support computing security principles. It analyzes vulnerabilities and threats within information systems and offers protection measures, while examining the implications of PCI DSS standards for merchants. Additionally, it suggests methods to mitigate SQL injection and Cross-Site Scripting (XSS) vulnerabilities in software applications.

1. "IT Security" Please respond to the following:
1.From the e-Activity, discuss how the National Security
Telecommunications and Information Systems Security Policy
(NSTISSP) national policies facilitate the confidentiality,
integrity, authentication, and non-repudiation of computing
security.
2.Analyze the elements of vulnerability and threat (physical,
procedural, policy, etc.) that exist in an IS or
telecommunications system. Suggest corresponding protection
measures.
"IT Influence" Please respond to the following:
3.The Payment Card Industry Data Security Standard (PCI DSS)
is used by credit card companies to ensure the safety of the
customer data. Assume that you are amerchant. Determine the
advantages and disadvantages of adopting the PCI DSS
standard.
4.Suggest methods that organizations could implement to
prevent the A1-Injection(Structured Query Language (SQL)
Injection) and A2-Cross Site Scripting (XSS)in software
applications.
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