We finish the job with a trap (computerised?) (3)

I believe the answer is:

web

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'a trap computerised?' is the definition.
I can't judge whether this defines the answer.

'we finish the job' is the wordplay.
'finish' says to take the final letters.
The final letter of 'job' is 'b'.
'we'+'b'='WEB'

'with' acts as a link.

Can you help me to learn more?

(Other definitions for web that I've seen before include "Insect trap" , "Network (maybe worldwide?)" , "Tangle" , "Lattice" , "Interwoven structure" .)

I've seen this clue in the Evening Standard.

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