The first hint to crack the puzzle "Security procedure at museum entrance" is:

It is a word which contains 8 letters

The second hint to crack the puzzle "Security procedure at museum entrance" is:

It starts with letter b

The third hint to crack the puzzle "Security procedure at museum entrance" is:

It ends with letter k

Looking for extra hints for the puzzle "Security procedure at museum entrance"

Click on any empty tile to reveal a letter

The answer for the puzzle "Security procedure at museum entrance" is: