The use of social media has become a new lifestyle trend in today’s society. Social media provides a variety of benefits, ranging from building connections, delivering news, and sharing daily activities. On the other hand, social media is often misused to commit crimes, such as cyberbullying, child grooming, buying and selling drugs, spreading hoaxes, etc. Information uploaded on social media can be made into consideration for investigations in finding evidence of crimes. Therefore, efforts in supporting the verification of crimes in social media need to be done using the right forensic techniques. Topic of this research is an analysis of artifacts produced by the Instagram application on Android. This research provides benefits for analysts and practitioners to help in finding digital evidence of Instagram on Android. The results of this study successfully identified artifacts of Instagram application on Android, such as user account information, message exchange documentation, and user-uploaded activity traces.

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Nowadays, nations cyber security capabilities play an important role in a nation's defense. Security-critical infrastructures such as national defenses, public services, and financial services are now exposed to Advanced Persistent Threats (APT) and their resistance to such attacks effects the nations stability. Currently Cyber Threat Intelligence (CTI) is widely used by organizations to mitigate and deter APT for its ability to proactively protect their assets by using evidence-based knowledge. The evidencebased knowledge information can be exchanged among organizations and used by the receiving party to strengthen their cyber security management. This paper will discuss on the business process reengineering of the CTI information exchange management for a nationwide scaled control and governance by the government to better protect their national information security assets.

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