Final answer:
Techniques used to defraud guests in a business setting include phishing, identity theft, and credit card fraud.
Step-by-step explanation:
An example of techniques used to defraud guests in a business context is when scammers use various methods to deceive customers or visitors and extract money or sensitive information from them. One common technique is phishing, where scammers send fraudulent emails or messages that appear legitimate to trick people into revealing personal or financial information. Another technique is identity theft, where scammers steal someone's personal information to impersonate them and make unauthorized transactions. Lastly, credit card fraud involves illegally using someone else's credit card information to make purchases without their knowledge or consent.