In Block 1, Week 3, there is a description of various social engineering techniques in Section 3.2 as per the list below: phishing pretexting impersonation baiting quid-pro-quo water-holing tailgating Describe briefly, any four social engineering techniques from the given list. Do your independent research and for each technique, provide a recent example (outside of the course text) of how it was used. References You need to reference the sources of.