The text requires filling in blanks to complete sentences. The missing words are contextually determined by the surrounding text. For example, 'active' is associated with 'criminals, fraud and identity'. 'thief' is followed by '. Can a hacker benefit'. 'know' is followed by 'about the device of a'. 'One' is followed by 'of all, many companies'. The task is to provide the correct form of words to fit these gaps.