Digital forensics is the science of laws and technologies fighting computer crimes. It can be divided into two sub-areas, computer forensics and network forensics. Network forensics is still a frontier area of digital forensics and is the focus of this paper. We propose to classify network forensic investigations into three categories based on when law enforcement officers conduct investigation...

Smart phones with Internet capability are growing in popularity, due to many of their useful capabilities. Among other handy features of smart phones, Instant Messaging (IM) is very popular due to the level of convenience it provides in interpersonal communications. As the usage of IM on smart phone is increasing rapidly, it is important to take measures in advance from forensic standpoint fore...

Despite all visible dividers, the Internet is getting us closer and closer, but with a great price. Our security is the price. The international community is fully aware of the urgent need to secure the cyberspace as you see the multiplication of security standards and national schemes interpreting them beyond borders: ISO 15408, ISO 17799, and ISO 27001. Even though some countries, including t...

This article considers the challenges faced by digital evidence specialists when collaborating with other specialists and agencies in other jurisdictions when investigating cyber crime. The opportunities, operational environment and modus operandi of a cyber criminal are considered, with a view to developing the skills and procedural support that investigators might usefully consider in order t...

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Internet abuse is also evidenced by the frequent discovery of crimes through internet network. The implementation online transactions there are those who use social media, but many parties media as well fraud crimes. Misuse against matters related to data and systems on computers should get special attention because it confidentiality. organized cyber crime countermeasures national investments ...