Exploration is the key to finding the truth in FNAF: Secret of the Mimic, and you'll need clearance upgrades to do it. Here's how to get them all.

Not everyone with top-secret clearance can view TS/SCI material He often compares the security levels to keys to a house.

There are three levels of personnel clearance -- confidential, secret and top secret. What agency processes clearances? The Department of Defense (DoD) is responsible for managing security clearances.

One of two levels of security clearance, secret or top secret, may be appropriate. Related: Search for security clearance jobs.

CNN’s Katie Lobosco wrote a very good primer on classified data last week. Here’s her description of the three levels of classification: Top Secret – This is the highest level of classification.

Trump had access to national security information not seen by most American citizens. Here are the different levels of security clearances and who is allowed to have them.

That’s because virtually all the truly interesting secrets inside the US government aren’t just Top Secret, but come with additional levels of security clearance and special “need to know ...

When ‘Top Secret’ Is Not So Secret The arrest of Jack Teixeira, a junior Massachusetts airman, in the leaking of classified documents opens a debate about security clearances.

COMMENTARY | Simple steps can make the security clearance process less of a barrier to keeping diverse candidates out of government careers.

Classification levels and content The U.S. government uses three levels of classification to designate how sensitive certain information is: confidential, secret and top secret.

More than a million people have Top Secret clearance It’s actually a very large universe of people with access to Top Secret data.