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3.2 Computer Forensics > 3.2.2 Cell phone forensics - Pg. 19

3.2 Computer Forensics 19 3.2.2 Cell phone forensics Cell phone forensics includes the examination of cell phones, as well as the records created by cell phone service providers like cell phone billing information and call detail records (CDRs). The examination of cell phones has become as common as the examination of computers due to their widespread use. This is easy to understand; just try to think of someone you know who does not own a cell phone. Cell phones contain a wealth of information, and examining them can recover data of evidentiary value. Some examples include the contacts on a phone, text messages, images, videos, audio recordings, and e-mail. Deleted information can be recovered on some cell phones as well. Due to the thousands of different models and makes of cell phones, in addi- tion to the different types of cell phone networks and service providers, the ability to recover data from a cell phone is on a case-by-case basis. The general rule of thumb is that the more like a computer a cell phone is, a Blackberry or iPhone for instance, the greater the likelihood of being able to recover all of the data from it, especially deleted data. While the number of digital forensic professionals who examine cell phones is increasing, the number of those who examine call detail records (CDRs) is grow-