Enticed sir into being unwary (10)

I believe the answer is:

indiscreet

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'being unwary' is the definition.
(thesaurus)

'enticed sir' is the wordplay.
'enticed sir' can be anagrammed to 'INDISCREET'.
However, I'm not clear how this is indicated.

'into' acts as a link.

Can you help me to learn more?

(Other definitions for indiscreet that I've seen before include "Tactless" , "Too ready to reveal secret things" , "Too ready to tell secrets" , "shameless" , "Injudicious (anag of 6, 9 and 23)" .)

I've seen this clue in The Irish Independent.

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