: Professionals often use Enumeration: A Cornerstone of Ethical Hacking to learn how to find DNS names, SNMP data, and machine names. 2. LinkedIn as an OSINT Goldmine

Most security teams monitor their networks. Few monitor their employee’s social media hygiene.

Intermediate

Watch how an ethical hacker finds a company’s cloud provider. They don’t scan IP ranges; they search LinkedIn for "Employee at X Corp + AWS Certified Solutions Architect." If 50 employees list “Azure,” but only 2 list “AWS,” the attacker now knows the target environment is Azure-centric, narrowing down attack vectors for phishing or misconfiguration exploits.

10.10.10.5 (Internal Corp Server)

Remember: Every like, every endorsement, and every job title is a data point. And data points, when enumerated correctly, become exploits.