My shops require the Internet and many other electronic devices to ensure that orders and daily tasks can be completed. Cyber ​​attacks can occur at any time and on any device imaginable. What countermeasures can I take to thwart external hackers trying to attack my electronic devices? To begin with, good antivirus and firewall software should be installed on all computers. I need a computer specialist. According to Ronald Pike (2013), white hat hackers are the good guys and understand the rules. (p. 67) I will have a white hat hacker and he or she will constantly ensure that all systems function without any external attacker taking or collecting information. IT specialists will monitor the system as necessary and if a suspicion arises they will immediately do everything necessary to counter it