What kind of spam is this? What is its purpose?

​ https://preview.redd.it/0wbolv6ys6w81.png?width=466&format=png&auto=webp&s=a1d5c6f74710c2292727d8426f3b1145358aa214 submitted by /u/PSyCHoHaMSTeRza [link] [comments]

from hacking: security in practice https://ift.tt/Hr8fN56