Final answer:
The proper response when asked about a classified security project is to neither confirm nor deny the information and to change the subject to avoid discussing any classified material.
Step-by-step explanation:
If you are asked about a new security project that is classified while working on a military installation, the appropriate response would be a) Attempt to change the subject to something non-work related, neither confirming nor denying the article's authenticity. Discussing any aspect of the project could potentially lead to a breach of classified information, which is a serious offense. Furthermore, confirming even the existence of such a project, if it is classified, could be a security violation in itself. As a professional, it is paramount to adhere to the protocols and policies regarding classified information to protect national security and the integrity of the project.