Mankind is trying to improve everyday objects in order to facilitate our life. Attacks on consumer smart devices can allow an attacker to gain constant access to the victim’s network. This type of attack can be prevented by disabling – or more effectively – removing the JTAG ports completely from production devices, thereby minimising its attack surface.
In this post guys from Senrio try to explain you what JTAG is. Probably you, as digital forensics examiner (or even analyst) already know what is it and even use it in your every day mobile forensic examinations, but if not – it’s you chance!
In this article Patrick Olsen describes the process of JTAGing mobile phones for forensic purposes. He starts from the definition of JTAG, then talks about interface signals. He presents a very useful list of tools you’ll need to perform such data extraction (with links). And he finishes with explanation of JTAGing process of Nokia Lumia 521.
Here is the link to the article.