This is a very dedicated book for digital forensics which includes memory, mobile forensics and advanced persistent threats. This brings a single book which has knowledge from literature surveys, research journals and industrial professionals which gives the user to consider a detailed analysis for the development of any software and tool for the betterment and solving problems with related to the memory extraction after deleting and even one such tool is under development which will recover the deleted data manually by only one single tool will be very useful to recover the data. This book can also be used to develop open-source intelligence tool for systematic backtracking and information gathering. The basic of every memory is very deeply defined which includes the File Allocation Table, Master boot Record, New Technology File System and memory management techniques.