The article presents the results of the rescue archaeological excavations at the multi-cultural site 14 in Deszczno. The investigations covered an area of ca 83 ares and revealed relics from settlements from the Bronze Age, late Roman influence period, early Middle Ages – phases C and D, as well as early modern period. Moreover, a burial ground of the Luboszyce culture was recorded and dated to phases B2/C1 – C1a of the Roman period.
This paper outlines the problem of cybersecurity in OT (operations/operational technology) networks. It provides descriptions of the most common components of these systems, summarizes the threats and compares them with those present in the IT domain. A considerable section of the paper summarizes research conducted over the past decade, focusing on how common the problem is and in which countries it prevails. The article presents techniques most commonly used in the protection of these systems, with many examples from the nuclear industry given.
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