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Digital Forensics and Encryption

Digital Forensics and Encryption The use of encryption technology to protect computer data is growing—and that fact presents a challenge for forensic investigators. Without a decryption key, forensic tools cannot be used to find digital evidence. Even with the key, searching encrypted data can be tricky and time consuming. Below are some answers to common questions about trends in the use of encryption and what investigators can do to get as much evidence as possible from an encrypted file or drive.
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Cryptography - Wikipedia

Cryptography Cryptography  or  cryptology  (from  Ancient Greek :  κρυπτός ,  romanized :  kryptós  "hidden, secret"; and  γράφειν   graphein , "to write", or  -λογία   -logia , "study", respectively [1] ) is the practice and study of techniques for  secure communication  in the presence of third parties called  adversaries . [2]  More generally, cryptography is about constructing and analyzing  protocols  that prevent third parties or the public from reading private messages; [3]  various aspects in  information security  such as data  confidentiality ,  data integrity ,  authentication , and  non-repudiation [4]  are central to modern cryptography. Modern cryptography exists at the intersection of the disciplines of  mathematics ,  computer science ,  electrical engineering ,  communication science , and  physics . Applications...
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Cyber crime - Wikipedia

Cybercrime , or  computer-oriented crime , is a crime that involves a  computer  and a  network . [1]  The computer may have been used in the commission of a crime, or it may be the target. [2]  Cybercrimes can be defined as: "Offences that are committed against individuals or groups of individuals with a criminal motive to intentionally harm the reputation of the victim or cause physical or mental harm, or loss, to the victim directly or indirectly, using modern telecommunication networks such as Internet (networks including chat rooms, emails, notice boards and groups) and mobile phones ( Bluetooth /SMS/MMS)". [3]  Cybercrime may threaten a person or a nation's security and financial health. [4]  Issues surrounding these types of crimes have become high-profile, particularly those regarding  hacking ,  copyright infringement ,  unwarranted mass-surveillance ,  sextortion ,  child pornography , and  child grooming ....
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