42 Technical planning and consulting, especially with regard to facilities for telecommunications; Rental of computer hardware and computer software; Industrial analysis and research services; Computer software design and updating; Design of web pages; Updating of Internet pages; User management and authorisation on computer networks; Providing search engines for the internet; Services of a certification authority (trust center), namely, issuance and management of digital keys and/or digital signatures, verification of digital signatures; Computer virus protection services; Configuring computer networks by means of software; Security services for protection against illegal network access; Server administration; Domain name hosting; Provision or rental of electronic storage space (web space) on the Internet; Web design, web hosting; Webconsulting, namely, advice on web hosting, web security, spam protection and web presence design; Hosting websites; hosting computer sites; hosting Internet sites for others; software development, programming and implementation; software engineering; computer programming; hosting services; software as a service and rental of software; IT security, protection and restoration; all the aforementioned services relating to Payper- Action (PPA), Pay-per-view (PPV), Pay-per-Click (PPC) and Pay-per-redirect (PPR) advertising