The origins
There is no certainty about the origin of the name Black Friday. According to germany business email list some, the term was first coined in Philadelphia because of the traffic that, on this day, congests the city on that day. According to others, it refers to the accounting books of merchants, where losses are marked in red, while profits are marked in black.
The first Black Friday seems to date back to 1924 when, on the day after Thanksgiving, the famous Macy's shopping center organized a parade to celebrate the start of Christmas shopping. For the explosion of the "Black Friday" phenomenon we have to wait until the 1980s, when it began to spread from the United States to the United Kingdom, and to other European countries such as Germany, France, Spain and Italy.

The hackers
Be careful while shopping wildly online. occasion for hackers who try to steal payment data. The alarm is raised by Kaspersky Lab based on surveys carried out in recent years and which predicts a peak in financial "phishing" attacks: emails, messages, fraudulent sites that aim to steal users' credit card details. So be careful how you move on the Internet.