Special agent follows carrier providing security (6,4)

I believe the answer is:

bearer bond

I'm a little stuck... Click here to teach me more about this clue!

'security' is the definition.
(I know that bearer bond is a type of bond)

'special agent follows carrier' is the wordplay.
'special agent' becomes 'bond' (James Bond. I am not sure about the 'special' bit.).
'follows' is a charade indicator (letters next to each other).
'carrier' becomes 'bearer' (synonyms).
'bond' after 'bearer' is 'BEARER BOND'.

'providing' is the link.

Can you help me to learn more?

I've seen this clue in The Irish Times.

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