School of Information Systems

Get to Know About Digital Forensics

The recovery, examination, and preservation of any information discovered on digital devices are the tasks of the forensic science branch known as “digital forensics,” which frequently deals with cybercrimes. Originally used as a shorthand for computer forensics, the phrase “digital forensics” has since come to refer to the examination of data from any device that can hold digital information. 

Experts in digital forensics respond to events like server intrusions or critical information dumps. With the aid of their specialist forensic toolkits, they can analyze traffic, seek for concealed data, and investigate incidents. They gather, recover, store, prepare, and present the data in court that is pertinent to the inquiry. 

Digital forensics includes many branches depending on the information’s type and sources, and it requires specialized professional training. These areas offer excellent employment opportunities and a fascinating line of work. 

Computer forensics, the catch-all term, gave rise to digital forensics. The analysis of digital evidence, as well as strategies for locating, collecting, and securing such evidence, are now the focus of a distinct applied discipline dedicated to resolving computer-related crimes. Any data discovered on digital devices is dealt with by digital forensics. 

What is Digital Forensics for? 

The analysis and investigation of incidents involving computer information as the target of an attack, a computer being used as a weapon in a crime, and gathering, storing, and safeguarding any digital evidence constitute the core applications of forensics. In court, the conclusions of the expert analysis are utilized to either prove or disprove a theory. 

Digital forensics helps law enforcement with criminal case investigations and ensures and promotes cybersecurity in the business sector. The rapid development and adoption of new technologies in all spheres of human endeavor necessitate training computer specialists to handle certain tasks. These goals comprise: 

  • Assisting in the data recovery, analysis, and preservation while assisting with the preparation of digital evidence for use in court; 
  • Ensuring that all relevant procedures for acquiring evidence are followed because digital evidence cannot be tampered with; 
  • If the data on any digital devices is extremely important for the case, recovering any deleted or obscured data from those devices; 
  • Aiding in the identification of a suspect and determining the purpose of a crime; 
  • Creating an investigation-starting computer forensic report; 
  • Ensuring the integrity of digital evidence. 

What tools are used for Digital Forensics? 

The specialists’ toolkits for analyzing digital evidence were quite constrained in the early phases of the development of digital forensics. Numerous claims that such analysis may have led to the corruption and alteration of evidence followed. Inevitably, advanced technologies for digital forensics examination came into being. 

  • Tools for disk and data capture can recognize encrypted data, capture it, and preview it on physical disks; 
  • To extract and analyze distinct files, use file viewers and file analysis software; 
  • The Windows registry is where registry analysis tools obtain information about a user and their activities; 
  • Tools for Internet and network analysis provide in-depth data on traffic and track users’ online activity; 
  • Email content can be scanned using email analysis software; 
  • Data extraction from mobile devices’ internal and external memory is facilitated by mobile -device analysis technologies; 
  • Tools for Mac OS analysis provide disk imaging and obtain metadata from Mac operating systems; 
  • Database forensics tools can change data, analyze it, and produce reports on their actions. 

What are the main challenges of Digital Forensics? 

Criminals employ the same forensic technologies that digital forensics specialists use to gather evidence against them in order to cover up, alter, or erase any proof of their unlawful behavior. One of the main problems that digital forensics encounters is what is known as the anti-forensics approach. Additionally, there are some resource, technical, and legal issues that this area of forensic science must address. 

  • Big data era 
  • Admissibility 
  • Availability of hacking tools 
  • Availability 
  • Rapid technological development 
Aisha Freena Hariansyah