The most common and most likely answer to this crossword clue is the 8 letter word UNMASKED
I've seen this crossword clue in Financial Times
U
N
M
A
S
K
E
D
More clues leading to the result UNMASKED
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does UNMASKED mean?
UNMASKED verb- To remove a mask from someone.
- To expose, or reveal the true character of someone.
- To remove one's mask.
- To enable (an interrupt, etc.) by unsetting or setting the associated bit.
- Not masked
- No longer masked (from which a mask has been removed)