The invention of computing devices has brought higher attainment in professional and personal lives. Cybersecurity techniques is of growing importance due to increasing reliance on devices such as computer systems, smart phones, etc. which attempts to safeguard the cyber environment of users or organization . Cyber criminals aim at getting the information between a client and a server which are mostly in plain text formats through various means such as spreading malware inorder to gain unauthorized access. There is a need for users/organization to be aware of the various cyberattacks and in order to prevent such attacks. This paper provides the various open source cybersecurity tools inorder to mitigate the different cyber-attacks.

Keywords : Open source, cybersecurity, cyber attack, cyber threats.