What is Chain of Custody in Cyber security ?
Tags: cybersecurity
Published: 2023-06-16 08:54:31

Chain of Custody, in the Cybersecurity, refers to the documentation and procedures used to maintain the integrity and security of digital evidence throughout its lifecycle. It ensures that evidence is properly collected, preserved, analyzed, and presented in a manner that is admissible and reliable for legal and investigative purposes.

Chain of Custody, in the realm of cybersecurity and digital forensics, refers to the documented process and procedures that ensure the integrity, security, and admissibility of digital evidence throughout its lifecycle. It encompasses the careful handling, documentation, and control of evidence from the point of collection to its presentation in legal or investigative proceedings.

**Here are key points about Chain of Custody in cybersecurity:**

**1. Digital Evidence:** In cybersecurity investigations, digital evidence refers to any data or information that is collected from digital devices, networks, or systems. This can include log files, network captures, disk images, memory dumps, and other artifacts that may be relevant to an investigation.

**2. Collection and Identification:** The Chain of Custody begins with the proper collection and identification of digital evidence. It involves following prescribed procedures to ensure that evidence is collected in a forensically sound manner, without altering or compromising its integrity. This may involve using specialized tools and techniques to create bit-for-bit copies of storage media or capturing network traffic without modification.

**3. Documentation:** Each step in the Chain of Custody must be carefully documented to establish an unbroken trail of custody. This includes recording the date, time, and location of evidence collection, as well as the identities of individuals involved in handling and transferring the evidence. Detailed notes should be maintained to document any changes or actions performed on the evidence.

**4. Preservation and Security:** Digital evidence must be securely preserved to prevent unauthorized access, alteration, or loss. This may involve storing evidence in secure physical or digital environments, utilizing encryption and access controls, and implementing strict protocols to protect the integrity and confidentiality of the evidence.

**5. Transfer and Handling:** When digital evidence is transferred between individuals or organizations, strict protocols must be followed to maintain its integrity. Each transfer should be documented, including the identities of those involved, the date and time of transfer, and any relevant conditions or restrictions. This ensures that the custody of the evidence can be established and tracked throughout the investigation or legal proceedings.

**6. Analysis and Presentation:** The Chain of Custody ensures that digital evidence is available and reliable for analysis and presentation in legal or investigative processes. It establishes the trustworthiness and admissibility of the evidence, as it demonstrates that proper protocols were followed to maintain its integrity and prevent tampering.

The Chain of Custody is a critical component of cybersecurity investigations, digital forensics, and legal proceedings. It ensures the credibility and reliability of digital evidence, enabling investigators, law enforcement agencies, and legal professionals to make informed decisions based on the evidence collected. By obtaining [Cyber Security Certification](https://www.edureka.co/cybersecurity-certification-training), you can advance your career in Cyber Security. With this course, you can demonstrate your expertise in ethical hacking, cryptography, computer networks & security, application security, idAM (identity & access management), vulnerability analysis, malware threats, sniffing, SQL injection, DoS, and many more fundamental concepts, and many more critical concepts among others.

By following established procedures and maintaining meticulous documentation, the Chain of Custody helps protect the integrity of digital evidence and upholds the principles of fairness and accountability in cybersecurity investigations.