Final answer:
The word 'therefore' is used to indicate a cause-and-effect relationship between two parts of a sentence.
Step-by-step explanation:
In this sentence, the word 'therefore' is used to indicate a cause-and-effect relationship between the two parts of the sentence. It suggests that breaking the code of confidentiality has resulted in the need to take responsibility. 'Therefore' is a transitional word that shows a logical connection between the two clauses.
For example, a similar sentence could be 'I left my umbrella at home; therefore, I got wet in the rain.'
In this case, 'therefore' is used to show that the action of leaving the umbrella at home led to the consequence of getting wet in the rain.