4 Pics 1 Word Puzzles

What is the 1 word (6 letters) answer to the puzzle below? Scroll down to see the answer!

4 Pics 1 Word Answer 6 letters for code for computer 1s and 0s, person unlocking combination lock, access with long u shaped lock, decoding task using sequence of numbers

Code, Lock, Access, Decode

The Answer is:

CYPHER
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