This paper points out selected general security issues of digital repositories and some known means of cyber
attacks initiated against them within the global network. In the theoretical introduction, the authors rely on expert
studies and articles drawn to the established topic. By means of the case study method in particular academic
environment and their own experience gained in dealing with security incident in the digital library environment
running the Invenio system, authors describe the important aspects of a critical migration of the system from one
server to another. In this process, it is necessary to ensure the transfer of digital library objects and metadata related
to them. At the end, the paper provides professional public incentives and motives for creating disaster recovery
plan, in case their digital library does not have any yet.
