Security attack defination and its citation? ?

A security attack refers to any deliberate or unauthorized attempt to compromise the confidentiality, integrity, or availability of computer systems, networks, or data. It involves exploiting vulnerabilities or weaknesses in the system to gain unauthorized access, steal information, disrupt services, or cause damage.

Citation:
- Stallings, W. (2017). Cryptography and Network Security: Principles and Practice (7th ed.). Pearson.