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The concept of web of things (WoT) is to connect anything in the physical world and then display them in the World Wide Web, that is the major objective, but that mean information storage or transfer that led to thinking how can protected this information from attacks, this can happen by protected information by encryption it. Cryptography and chaos inextricably linked because of many features. In this paper uses a novel model for the encryption of information via WoT, we suggest HIGHT and Simon as a block cipher algorithm using for lightweight encryption by make a new hybrid between them. Also use chaotic system to take key from it; moreover, we use other operations to arrive the best result. [ABSTRACT FROM AUTHOR]