I went into a bank wearing a fake badge with the word IT CONTRACTOR that I made from basic materials at Staples. The receptionist asked if I was there to fix the fax machine, and I said Yes. At that point, I also fixed other computers onsite including teller systems. The bank staff let us roam around accessing pretty much anything we wanted under the context of were doing some routine maintenance and tightening up of security”]
Source: https://www.csoonline.com/article/3184217/social-engineering-fake-outs.html