Order of volatility is the order in which a forensic specialist should collect evidence based on how quickly the data can be lost or altered. The most volatile data, such as CPU registers and cache, should be collected first, followed by less volatile data, such as disk drives and archival media. Order of volatility helps preserve the integrity and validity of the evidence and prevent data loss or corruption123 Reference: CompTIA Security+ SY0-601 Certification Study Guide, Chapter 11: Explaining Digital Forensics Concepts, page 494; Order of Volatility - Computer Forensics Recruiter; Order of Volatility - CompTIA Security+ SY0-401: 2.4; CFR and Order of Volatility - Get Certified Get Ahead