The research objective of the dissertation is a phenomenon of electronic documents archivation in long-term timeframe with focus on their security and integrity. This work at the begging deals with research issues of current approaches and solutions in the specified topic and focuses on relationship examining of the long-term archivation on restrictive conditions set by currently valid legislation scope. The main focus is on the archive integrity by means of alternative methods not related on absolute archival time. Design part deals with creation of the universal system solution leading to ensure non-repudiation of entrusted, archive managed, objects. This draft was empirically verified and results were processed and evaluated by means of statistics methods. The presented proposal of this work endeavors contribution to strengthen legal and evidence equivalence of long-term archived electronic documents on the same level of their paper siblings.

This diploma thesis is about data backup and following data archiving in real environment of concrete IT company engaged in software development. Theoretical knowledge concerning the area of data backup and data storages is described here. It also describes the current situation of data backup and problems with the current solution. There are suggestions for improving the current situation, including economic evaluation, to achieve efficient and most importantly secure data backup.

The objectives of this project are to create a concept of system for multimedia documents management and long-term archiving and its realization. The opening chapters are devoted to theoretical analysis of the expected characteristics of this systém and their implementation in open source document management system Alfresco, which was used for implementation. Other chapters are devoted to modifications made to this system, which are enhancements to work with multimedia content and its metadata. Also possibilities of connecting the system to other systems are mentioned. Finally, this document also describes testing the changes and adjustments according to various criteria.

This thesis is focused on cybercrime, acquisition of evidence and development of a platform for retrieval, analysis and archiving web site data. The goal is to satisfy the investigators and security experts of the Czech police. The aim is to provide an open source platform that will be freely disseminable and in compliance with the requirements of legal institutions. The output of the thesis is two platform versions - full-fledged, fulfilling all the requirements set out in the diploma thesis and a light version for the police investigators of the Czech Republic.