Angela works for an identity protection company that maintains large amounts of sensitive customer information such as usernames, passwords, personal information, and social security numbers. angela and a coworker decide to use the sensitive information to open credit cards in a few of her customer's names. this is a classic example of which of the following security breaches?
a) social engineer
b) an insider
c) a spammer
d) a dumpster diver

(B) An insider

Explanation:

 According to the question, an Angela is an insider as she maintain all the sensitive and confidential information of the customer like the password, username,SSN (Social security number) and the personal information.

Angela and her co-worker has the right for using the customer sensitive information and data. An insider is the person who keeps all the sensitive information of the organization or company.

i want to say d but i could be wrong however it is organized if that could happen..

hope it could

it would be a. excessive network collisions or d. slow connectivity between devices those would be my answer.