Usually, impersonators gather information by social engineering and then patiently wait to put pieces of information together and then stitch them. Thus, even a small piece of information serves as a connecting part of the puzzle.

Common social engineering methods include the following:

• Stalking
• Crawling compromised sites
• Sending phishing emails
• Dumpster diving
• Eavesdropping
• Tailgating
• Shoulder surfing
• The use of USB devices loaded with malware and many more