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Learning Digital Forensics

Digital evidence features in almost every aspect of modern criminal investigations. There is more interest in digital forensic science now than at any previous time in history. There are more students studying ‘digital forensic’ courses in the UK than ever before.

If you are new to digital forensics, our articles will help you gain foundation knowledge in all key areas of digital forensic analysis.

Binary-Coded Decimal Timestamps

Digital Forensics, Learning Digital Forensics, Mobile Forensics, Tutorial
Binary-Coded DecimalDigital Detective©

Introduction Following on from the release of Digital Detective’s free DCode™ tool, we are compiling a series of blog posts explaining the various timestamp formats available in the new version. In this post, we are looking at Binary-Coded Decimal or BCD. Binary-Coded Decimal (BCD) Binary-Coded Decimal is a system for encoding decimal numbers as a […]

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3rd August 2020/by Craig Wilson

Understanding Big and Little Endian Byte Order

Digital Forensics, Forensic Analysis, Learning Digital Forensics
Hex viewer showing some highlighted bytes

There are two different methods for describing the order in which a sequence of bytes are stored in digital systems: Big Endian: places the most significant byte first (also known as network byte order) Little Endian: places the least significant byte first Etymology The term endian comes from the novel Gulliver’s Travels by Jonathan Swift. […]

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8th August 2018/by Craig Wilson

Introduction to Number Systems

Digital Forensics, Forensic Analysis, Learning Digital Forensics
Introduction to Number Systems

Understanding Number Systems Number systems use different number bases. A number base indicates how many different digits are available when using a particular numbering system. For example, decimal is number base 10, which means it uses ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Binary is number base 2, which […]

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20th July 2018/by Craig Wilson

Character Encoding: A Quick Primer

Digital Forensics, Forensic Analysis, Learning Digital Forensics
Image showing keyboard with the text Understanding Encoding

Introduction to Character Encoding Understanding how Character Encoding works is an essential part of understanding digital evidence. It is part of the common core of skills and knowledge. A character set is a collection of letters and symbols used in a writing system. For example, the ASCII character set covers letters and symbols for English […]

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17th July 2018/by Craig Wilson

Manual Identification of Suspect Computer Time Zone

Digital Forensics, Digital Foresnsic Software, Forensic Analysis, Forensic Investigations, Learning Digital Forensics, NetAnalysis®, Tutorial
View of earth showing text 'Manual Timezone Identification'

Introduction to Time Zone Identification In a digital forensic examination, establishing which Time Zone the system had been set to should one of the first examination tasks.  If this information is not established at an early stage and taken into account, the validity of Date/Time evidence may be brought into question.  Not only is this […]

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4th June 2010/by Craig Wilson

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Digital Detective enhances digital forensic science though cutting edge research and development. We offer a range of products and services for digital forensic analysis and advanced data recovery.

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