Background: The reputation system has been designed as an effective mechanism to reduce risks associated with online shopping for customers. However, it is vulnerable to rating fraud. Some raters may inject unfairly high or low ratings to the system so as to promote their own products or demote...

Background: In recent years, blockchain technology has attracted considerable attention. It records cryptographic transactions in a public ledger that is difficult to alter and compromise because of the distributed consensus. As a result, blockchain is believed to resist fraud and hacking....

Schon lange müssen Betreiber von IT-Systemen damit rechnen, dass die Systeme angegriffen und in der Folge unbefugt und missbräuchlich genutzt werden. Frühe Fälle sind etwa für das Jahr 1961 verzeichnet, als am MIT das Abrechnungsverfahren des Großrechners durch spezielle Programme...

"This book is written for professionals who want to improve their understanding about how to bridge the gap between cryptographic theory and real-world cryptographic applications and how to adapt cryptography solutions to emerging areas that have special requirements"--Provided by publisher.

Provides broad coverage of technical and socio-economic perspectives for utilizing information and communication technologies and developing practical solutions in cyber security, cyber crime and cyber forensics.