Data Recovery

Data Recovery (125)

The investigator carrying out an analysis of suspect`s computer, always finds evidence of special interest. But some people think that if they overwrite the area where the file has been, with random data, then nothing can be recovered. This is true, but only partly. Even after such abundance of caution data can often be retrieved!

The topic of file recovery has been repeatedly taken up on the Internet, including our website. In fact, there is a whole class of universal and well-working software products, which differ from each other only by the category of application - whether you want to restore the old deleted conversation on ICQ or a hard drive erased by high intensity radiated field. All the participants reached the finish line In this race - be sure, each of these software products will cope with the task it has been stated to cope. I'm not giving link references and prices, since being armed with Google (and I'm not promoting Google now), you will quickly find both these very popular software products and their cracks. In the end, I will share my personal impressions and observations with you so that you could choose "the very best out of the very bests."

It's hard to believe, but the so-called "novice" users sometimes delete important data and then feel bad about it. Then code heads have to face the music, so now we'll see how Mac OS X stores data on the media, and how that data can be recovered.

Every other man and his dog wrote about recovering data from a file system. There is a wide variety of means to perform this task, including debugs utility, which can easily retrieve any erased files from ext2. But what about other file systems? How can we recover a lost file from a flash drive or adjacent NTFS-partition? Even the most hard-working bloggers are silent about it. And yet, it's very simple and prosy.

It is not always convenient to reboot the operating system to another to perform checking file systems, file recovery, partition resizing and other actions on data. Imagine that two operating systems have been installed on your computer for several years: Windows and Linux. You boot very rarely the first one and only in cases of emergency; you use the second one daily and have been thinking about going completely over to Linux and uninstalling Windows, the only thing is that you can't convert NTFS-partition, which holds years of accumulated data, to ext3 by any tool. You have to keep the two OSs, because even though NTFS-section is accessible from Linux (using ntfs-3g), you still have to reboot to Windows to solve file system problems.

British companies are still ill-prepared for downtime and unexpected outage, ControlCircle informs.

A recent survey of 100 Presidents / Chief Operating Officers / Heads of IT Departments revealed that, while 90% have a strategy, only 46% checked and tested their business continuity procedures in the past 12 months. 42% either do not have a strategy or they are not sure when it was tested last time. Approximately 50% of strategies last 2 years or more.

In addition, more than 50% said that the system recovery after a crash or failure would take a few hours. Over third of respondents admitted that it took more than 24 hours to get everything back to normal mode.

"No matter how shocking these results are, they comport with our anecdotal talks and researches of many today's organizations," - said Carmen Carrie, the president of ControlCircle. "Most organizations think that fallback recovery cost a sight of money, whereas in fact l the loss coming from downtime is incommensurable more. Imagine, how much damage your company will sustain over a three-day downtime."

"Companies need to look to minutes, not hours, especially now when so many companies have their representation on the network."

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As revealed in a recent study of Osirium company, UK organizations are not sure that all the data and settings are deleted from devices before disposal.

Corporate devices store various versions of confidential data and access credentials, all of which can be retrieved if desired. Hackers can get network access using the retrieved administrator credentials as well as compromise the data, which can result in a serious personal information leak.

Forensic experts from the Information Security and Incident Response Unit in the Thracian University, in cooperation with a colleague from the Department of Applied Informatics at the University of Macedonia in Thessaloniki, have published an interesting scientific paper, which shows the possibility of retrieving information from the RW memory of a personal computer if it is switched off but not removed from the mains.

As We already know, damages of to hard drives we can divide into three main categories:

Toshiba drives have a tendency to seize up the bearing. The symptoms of that failure are noises, which unfortunately can be easily confused with seized up fan. When the drive goes to data recovery is often blurred and copying data is an operation for a few weeks (10-50LBA/s). In such cases, you must repair the hard drive at least at the time of data recovery.

iPod, just like the other mobile devices with mechanical hard drives, is particularly vulnerable to physical damage and data loss. Music player often acts as a pop-up portable drive, which not only stores music files.

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