Since the Internet connection worked in principle, our security experts suspect that Silvia became a victim of a malware attack. Malware is software that is installed on computers without their owners’ knowledge and is intended to create damage. It could, for example, provide computer access to hackers, push information to external sources, delete files, or destroy software. E-mails and download links are its most significant sources. Prominent examples of malware are viruses and ransomware.