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 […]
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.
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. […]
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 […]
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 […]
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 […]
We are deeply saddened to hear of the passing of His Royal Highness The Prince Philip, Duke of Edinburgh. Our thoughts are with Her Majesty The Queen and all members of The Royal Family. pic.twitter.com/bD0H…
Binary-Coded Decimal is a system for encoding decimal numbers as a series of bits; we examine how they are used in BCD and GSM timestamps. #DFIR #MobileForensics #DigitalForensics digital-detective.ne…
The NetAnalysis® Find Panel provides an easy way of searching against visible columns and fields. In this article, we examine the powerful syntax for the Find Panel and see how it works. #DFR #BrowserForensics #ForensicAnalysis digital-detective.ne…
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