An article holder for holding an article including a main body configured to receive the article, and at least one deformable article receiving member disposed on a bottom plate of the main body. Balanced prefetching is performed in applications in a computer system, such as storage-centric applications, including file systems and databases. The systems and methods of the present invention involve a fraud detection and prevention model that successfully detects and prevents electronic fraud and network intrusion in real-time. The probability of connecting initially to a malicious node is reduced by randomly selecting to which node to connect.