Benjamin, a professional hacker, joined as an intern in an organization and obtained some permissions to access the resources related to his job. Soon after gaining trust in the organization, he obtained elevated permissions to access restricted parts of the network. Thus, he gained access to confidential data of the organization. What type of attack performed by Benjamin in the above scenario?

Privilege escalation attack

Denial$-$of$-$service attack

Session hijacking attack

SQL injection attack