This paper focuses on the application of forensic psychology tools in cyber investigation and tries to light on cyber forensic equipment. The internet helped us greater in communiqué and all similar trends. Except for those features, the digital global has extended its hands to unlawful activities. We can't blame technology for crimes, it is all about who is using it. Cybercrimes is likewise about the maladaptive behaviour of human and Disrupted existence. In cybercrime investigations analysing human behaviour is inevitable. Cyber psychology is interdisciplinary vicinity wherein behavioural science and cyber technology merge. Exceptional forensic tools are used in the cyber investigation are autopsy, O.S. forensic toolkit, RAM forensics, TrueCrypt, DFF, and Wireshark, etc. Cyber-crook behaviour may be analysed via the utility of forensic psychology strategies. Forensic psychology investigation tools are applicable in cybercrimes as well. Cyber-criminal behaviour can be analysed through the application of forensic psychology techniques. It can be utilized for the identification, and authentication of the perpetrator who has executed cybercrime or to show his innocence. Deception detection techniques are very beneficial to screen those criminals who've been committed cybercrimes. Criminal profiling and Geographical profiling will plot the personality picture of the cyber offender.