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 article contains considerations regarding in the area of the so-called human factor as a potential source of hazards and proliferation of threats. The issues of conceptual and definition matter as well as selected types of threats were analysed – including attacks of type inside-job and generated by social engineering methods.