What We Say About Forensic Data Recovery Will Come In Handy
- Forensic Data Recovery Analysis
- Forensic Data Recovery Services
- How to Prevent Data Loss
- Related Articles
- User Comments
Well, what is data recovery exactly? As a matter of fact, in computing, data recovery refers to the process of rescuing inaccessible data from corrupted/damaged/formatted/wiped/dead drives, such as internal hard drive and removable USB device.
Each time when you find the data stored in certain place cannot be accessed as usual, you should firstly think of recovering data, rather than performing operations to try to fix it (unless you’re pretty sure that what you’re doing will solve the problem and bring back your data).
Yet, the difficulty lies in that most of the data recovery software on current market is only suitable for home use and small-scale use. That is to say, most software is not perfect enough for special occasions, including forensic data recovery, patient records restore and the recovery of many other high confidential files you can find in the nation.
After taking those factors into consideration, we highly recommend users should choose MiniTool Power Data Recovery to complete digital evidence recovery since it provides high security and simple operations.
It is no exaggeration to say that MiniTool Power Data Recovery could be the best forensic HDD recovery software; its enterprise license and technician license are ideal for data forensics.
Click here to choose the most suitable license for use.
Forensic Data Recovery AnalysisWith the rapid development of computer & network, we can easily find out the fact – computer crimes and civil disputes by taking advantage of network are increasing in recent years. In this context, electronic evidence (digital evidence) obtained by electronic forensic starts to step into judicial authentication filed.
Electronic evidence recovery, like deleted data recovery and formatted data recovery, becomes a powerful and commonly used means of evidence collection adopted in forensics.
To put it in a simple way, after the digital evidence acquired by electronic forensic during judicial identification was deleted accidentally or formatted mistakenly, we’re now able to get it back by using relevant techniques and tools. In this way, under the proper operations of electronic forensic, reliable evidence can be found to justice criminals through judicial identification.
According to statistics, the work efficiency of electronic forensic teams equipped with high-tech data recovery tools is greatly improved. And a large quantity of crime cases is settled by virtue of forensic data recovery.
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About Network ForensicsNetwork forensics refers to the actions of capturing, recording and analyzing network events, so as to find out the source of security attacks or other issues. This term is introduced by firewall expert Marcus Ranum from the field of criminology and law.
In the view of Simson Garfinkel, an expert specializing in computer forensics and computer privacy issues, network forensics system contains the following two types:
“To capture as much as possible” system: in this system, all the packets are captured through certain node and the analyzing results will be written into memory in accordance with the batch mode. A lot of storage space is required in this system, so RAID is often adopted.
This will show you all things about RAID data recovery.
“Stop, look and listen” system: in this system, each packet each packet goes through fundamental analysis so as to leave some basic information for future analysis. The need for storage space in this system is relatively small, but a fast processor is required to keep up with the input stream.
- Accidental deletion of old data is required in both systems to make room for new data.
- Network forensics product is sometimes also called Network Forensic Analysis Tool (NFAT).
- Computer forensic analyst now becomes a popular and respected career.
Background of Digital ForensicsSince many of today’s crimes are provided with characteristics like high-tech and intelligence, the electronic evidence gained in judicial identification is playing an increasingly important role. That is to say, people pay more and more attention to cyber forensics and mobile forensics. And meanwhile, forensic investigation is made popular to the public.
Yet, the digital evidence is intangible, easy-to-damage and unsafe, so it can be easily deleted or formatted. Precisely because of this, deleted data recovery and formatted data recovery technology become extremely important and also form the primary means of judicial expertise.
As a result, a lot of manpower and resources are devoted by law enforcement agencies to enhance the ability to recover deleted and formatted digital evidence. Thus, an outstanding electronic forensic team is formed and proved to play a key role in tracking down the criminals (in fact, this team has found much significant evidence in various judicial identification cases).
Forensic Data Recovery Services
“The forensic acquisition in full or in part of data stored on non-functioning storage media through the use of sophisticated equipment and techniques for the purpose of presenting the data in a legal forum.”
-- said by Todd G. Shipley
As you can see, the forensic data recovery draws the attention of an increasing number of people. Therefore, when selecting the forensic HDD recovery software for recovering electronic evidence, users should focus on high security and confidentiality.
MiniTool Power Data Recovery owns a large number of users and most of them think it is the best recovery software they’ve ever used. It owns high security but requires easy operations, so it’s a wonderful choice for the recovery of digital evidence. And we suggest users to get Enterprise License or Technician License now for recovering digital evidence.
In addition to high security, Power Data Recovery also provides excellent compatibility, so it can support almost all file systems, file types and storage devices. Hence, no matter you want to restore data from just internal hard drive or recover data from NAS HDD, it can be served as a wonderful assistant.
Principle of Data Recovery
In reality, lots of people do not know deleted/formatted data (or data lost due to other operations like virus attack) can actually be recovered; they think once the data are deleted/formatted, they’ll be gone for good. However, that’s not the case. Now, we’d like to show you the reason why we can get back missing data.
When a file is saving to hard disk, the following information will be recorded to DIR area at first: file name, file size, file modification date (the location of file is not included). After that, the real content will be saved to certain place of DATA area. And at this time, the location of file will finally be recorded in DIR area.
When a file is deleting somehow, the first character of certain file in DIR area will be replaced by E5 (conventional deletion). That is to say, the real content is still intact unless new file is written in to use the place which is originally occupied by deleted file.
Likewise, when files are lost due to drive formatting, it is only the relevant information that has been removed, not the real content.
Therefore, in order to avoid secondary damage, which will result in permanent data loss, we suggest users to stop using the drive with deleted/formatted data immediately and choose reliable recovery methods to regain as much data as possible.
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Methods for Digital Evidence Recovery
Tracing and recovering electronic evidence have very high requirements for security, so users who need to accomplish such work can’t be too careful when they’re choosing suitable method for forensic data recovery.
That’s why we recommend the Enterprise License & Technician License of MiniTool Power Data Recovery. First of all, it guarantees the security and confidentiality of both your existing data and lost data. Besides, important data files in courts & on other official occasions are often decrypted and kept in the archives; at this time, Power Data Recovery can do a good job since it is able to deal with the decrypted and compressed documents and files, while many similar data recovery software could not.
Well, what are the steps to get quality forensic data recovery services? Here’s what you should do:
Step 1: download the free edition to computer and install it right after that. Remember, please don’t save it to the drive which includes the lost files you want to restore.
Step 2: run the recovery software and choose a module that is suitable for your case from the main window (you may put cursor onto each module to see the specific functions). For instance, to recover deleted data, you should select “Undelete Recovery”; to recover formatted data, the “Damaged Partition Recovery” module would be the best choice.
Step 3: select the target drive and press corresponding button to search for deleted/formatted files. Under “Undelete Recovery” module, you should press “Scan” button in the lower right corner, while under “Damaged Partition Recovery”, you should press “Full Scan”.
Step 4: when the scan finishes, all found data will be displayed in the software interface. At this time, all you need to do are:
a). look through the found data one by one and pick out the files you want to recover;
b). click on “Save” button and set a storage path for the files waiting to be recovered (the destination can also be a network drive).
The software provides a “Preview” function for you to preview text files and pictures.
After all those operations were completed, you can go to check the recovered files and then quit the software.
If your data are lost due to serious physical damage, you may as well turn to professional agencies and let them open your device to check whether there’s possibility for electronic evidence data recovery.
How to Prevent Data LossTo be honest, data loss in today’s era is hard to avoid. This can be reflected by the prosperity of data recovery software. Yet, though forensic data recovery could be achieved with powerful software, we still need to do our best to prevent data from being lost suddenly. Here are some useful data prevention measures.
Never save your data files to the same drive in which operating system (OS) is installed
As we all know, most of the text processors will save the file you created to the documents library in computer. But, this is precisely the most unsuitable place for file storage since it is on system drive. When the OS is crashed due to virus attack or other soft failures, you have to reformat the drive to repair/reinstall OS. Thus, new data will be saved here to overwrite the original data.
No matter how safe you think the drive is, please backup your data on a regular basis
It’s often not enough to just save your data to computer internal hard drive/removable disk. You need to back up at least your important data to another place and then update the backups regularly. In this way, whenever your original file is lost, you can rely on the backups immediately to avoid any unnecessary losses.
Decrease human error as much as possible
We have to admit the fact that data loss is caused by our own improper operations most of the time. One of the most common reasons is mistaken deletion of files. So, we advised users to enable auto save functions in all programs (if there is such function) and be more careful when editing files.
With the perfection of legal system society, the legal status of electronic evidence acquired in judicial identification becomes higher and higher. Currently, the deleted data recovery and formatted data recovery are playing a very important role in ensuring the integrity and authenticity of electronic evidence.
So users must confirm they have chosen the reliable and effective software to regain lost digital evidence files when necessary. By writing this article, we hope more people could solve their data loss problems easily without privacy leakage.
Common problems related to partition recovery and our solutions:
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