Previous columns discussed implementing an overall Quality Assurance Program (QAP) for a Computer Forensics Section.
The Digital Evidence discipline became part of the American Society of Crime Laboratory Directors/Laboratory Accreditation Board’s (ASCLD/LAB) accreditation program in April 2003.
Psst. Wanna See a Steganographic Picture? When it comes to digital photos, what you see may not be what you getDecember 1, 2008 5:10 am | by Douglas Page | Articles | Comments
Geek frat boys use it to smuggle exam answers around campus. Authors use it to create watermarks in digital files so ownership of intellectual property can later be substantiated.
Wouldn’t it be great if we could just look up the term “digital forensics” in the dictionary? Unfortunately, as you and others have found, it is not that easy.
To state there are many issues faced by today’s digital forensics community would be an understatement. Lack of funding, cross-jurisdictional legal struggles, and a lack of qualified professionals are just a small sample of the main body of issues.
In the aftermath of September 11, 2001, several attempts were made to determine whether and to what extent steganographic images were present on the Internet.
Previous columns discussed starting a Computer Forensics unit. This column begins a discussion of Quality Assurance Practices that the unit must follow to generate quality results.
Quality Assurance Practices are essential to ensure the overall quality of services that a Computer Forensics unit provides.
Currently, not enough computer forensic examiners have the first clue what steganography is or how it works, much less how to detect or disable it.
Digital Evidence, like any other type of evidence, requires identification, collection, a chain of custody, examination/analysis, and finally authentication in court during presentation to the trier of fact.