Before revision: Ethical Hacking : COS Online defined ethical hacking as going into devices and computer systems belonging to an organization, with its explicit permissions, to assess and test the efficacy of the organization's cybersecurity defenses.
After revision: Ethical Hacking COS Online defined ethical hacking as going into devices and computer systems belonging to an organization, with its explicit permissions, to assess and test the efficacy of the organization's cybersecurity defenses.