In May 2019, Google announced there are 2.5 billion active Android devices. Thereby, most companies develop their own application. Not only the richest companies like Google, Facebook, Amazon,... but also a lot of smaller businesses.
BlackWidow is a python script that automatically crawls a website to gather information like phone numbers, email addresses, form URL's etc. Very useful during the reconnaissance phase!
The number of Wi-Fi access points is bigger day after day. Everywhere in the street, it is possible to see a lot of Access Point (AP)