Alexander Rocco Corporation has multiple OSs running in its many offices. Before conducting a security test to determine the vulnerabilities you need to correct, you want to determine whether any OSs are running that you’re not aware of. Christy Fitzgerald, the network administrator/security officer, is resistant to giving you information after he learns you’re there to discover network security vulnerabilities. He sees you as a threat to his position. After several hours of interviews, you can ascertain only that Mike’s personal e-mail address is vetman2601@gmail.com, and an old RHEL server is running on one of the company’s systems. What tools might you use after learning the network administrator’s email address? What can you determine by entering the network administrator’s email address into Google? What about entering only the handle vader2601? Could the information you learned from Google be used to conduct vulnerability testing?

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Network Security

The word "network security" refers to a wide range of technology, devices, and processes. In its most basic form, it is a combination of rules and configurations that use both hardware and software technologies to safeguard the confidentiality, integrity, and accessibility of computer networks and data. Every company, regardless of sector, size or infrastructure, needs network security solutions to protect itself from the ever-increasing landscape of cyber threats that exist today.