Manuscript Number : CSEIT184307

USB flash drive is a data or information storage device that is used to storing the data. Cloud storage is mainly used to store the data on the middle server. USB stands for Universal Serial Bus, which is a kind of computer port, whichcan be used to attach equipment to a computer. An example of a USB is the interface used to upload pictures from a digital camera to a computer. In this research Paper, it is anticipated that a USB flash drive is a information storage device that abide of flash memory with an USB. A Cloud Storage wherever the data is store in the cloud that is distantly present and can be accessed as and when needed. But a problem of this USB is its tiny size due to which it can easily be misplaced. This is a difficulty if the data present in it is sensitive. In this Cloud Storage the data be capable of misused if the username and password of an account to contact the storage is hacked by someone. There are many drawback like some degree of storage, security, back up, temporary files. iTwin is a ‘limitless’ USB mechanism that permit users to access, change & exchange all their files & media whichever two online computers anywhere in the world. The simply limit is the size of your computer’s hard drive. iTwin is a innovative unfolding that permits remote file access without the any problems of the cloud and USB flash drives. It’s can be access as a USB with no exact installation. iTwin used by cryptographic protocols and algorithms. USB contains attributes like two directional file access, no temporary files.