It seems that the sole purpose in life of this seemingly charitable organisation is to help people improve the performance of their computers... all without charge. Having introduced himself and MS Technical Centre, the helpful technician will ask you if you have problems. If you say 'yes', he will ask you to type a few simple commands into your computer. If you say 'no', he will also Email Database ask you to type a few simple commands into your computer so that you can see for yourself the problems you have. Either way, the commands you type will create a back-door the hacker can use later. Social engineering at its most productive! How can you protect yourself?
There are many ways you can protect yourself from social engineering. The overriding principle, as always on the internet, is CAUTION.  Think carefully... social Email Database engineers want you to act first and think later, so never let their urgency prevent you from making a careful review before you take some action, such as clicking on a link or releasing information.  Be suspicious Email Database of unsolicited emails... if it's from a company search them on the internet or use a phone Email Database directory to see if it, its website or phone number is genuine.  Don't send personal information... just delete emails that ask you to confirm personal data.
No reputable bank or other financial institution will ever send Email Database you an email asking you to confirm your banking details.  Check website addresses... if you receive an email asking you to click on a link, check the website by using a search engine to find the Email Database company's website and then compare the website address with the address to which the link will send you. Hovering your mouse over a link will show the actual address (aka URL).  Stifle your curiosity... if you are not sure, don't click a link..