International Scientific Journals
of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

Internet connectivity became obligatory for the business processes in each organisation and institution. Communication over the public network infrastructure like Internet brings potential threat for the means of social engineering email letters. Recognition of such letters seems to be a problem to workers. Some malware analysis of such example scam letters is made in this research paper. Impact on computer or network systems is presented.

Cybersecurity became the most famous topic concerning security development. Having social engineering in mind, all technical devices can be beaten and a cyberattack can have success just having incompetent personnel employed. In this research paper, some real social engineering texts as e-mails are shown and malicious intends presented. Short analysis is made about SE letters subjects

The future of Internet communications is trending at Internet-of-Things (IoT) and furthermore: Internet-of-Everything (IoE) with Wireless networks deployed. But most important in the development of wireless networking is the security issue. Computer and networking security will be the great wall built over systems and networks. In this scientific research paper the weakness of Wi-Fi passwords over protocol WPA2 in a controlled network environment is tested along with WPS protocol. The open source operating system KALI LINUX is used by the means of instrument “aircrack-ng” and “bully”.