Defcon17 HARD DRIVE RAID RECOVERY 2009 Part 1/5

Defcon 17 - RAID Recovery - Recover PORN by Sight and Sound - This is how you can have a RAID array to be restored with the help decipher the array of images and content on the hard drive to cut into slices, and the order size.



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Data Recovery

www.lukeford.net restore deleted files, hard drive repair Hard Drive Data Recovery, Data Recovery Services, Hard Disk Data Recovery, Disk Data Recovery



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Data Recovery Proceedures by Disklabs Data Recovery Services

See how data recovery achieved in Disklabs Data Recovery Services, Europe's leading data recovery company.



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Data Recovery Work Performed by Data Recovery Group

See actual data recovery work in Clean Room by Data Recovery Group in one of our Data Recovery Facilities Performed by one of our Data Recovery Technicians. Data Recovery Group, began as a hard drive repair companies do not repair hard drives back in 1986 and was among the first companies offering data recovery services for all major operating systems and all brands of hard drives. Our extensive experience with repairing the disk, it has enabled us to successfully lost again ...



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Challenges in Recovering Deleted Email

Both computer forensics experts to try and data recovery technicians to recover deleted data. Data recovery is primarily to bring interest back files, while computer forensics tends to dig deeper look, not just for deleted documents, but also for Metadata (data about data - such as file attributes, descriptions, dates and other information) and useful snippets of files restored. One area of particular interest is E-mail.

If most of the documents are written on the hard drive of a computer, each newly created document has its own directory entered (what the user sees, like a listing in a folder). If a file is deleted, has not been overwritten by another document, the recovery process is a relatively trivial part of e-discovery or recovery of data. But if the data of interest is deleted e-mails, the discovery process, and may vary significantly from the expected> Data Recovery. Individual emails are stored differently than individual files. Different types of e-mail programs store data differently on the user's hard drive and require different rules for the search for useful information. This distinguishes the deletion of e-mails and recovery of deleted e-mails not only from other types of documents, but also between different types of e-mail programs.

There are basically three types of e-mails in general usage - MicrosoftOutlook (often coupled with a Microsoft Exchange server), text-based e-mail client programs and Web-based e-mail or webmail.

In Microsoft Outlook, all e-mails in a large, non-encrypted text file stored - the PST or Personal Folders file. Outlook has additional features and additional content as well. It is an integrated address book, multiple mailboxes, a calendar and a scheduler, which contain all of the PST file. If in a PST file with a text editor orWord processing program, there is little or nothing to understand for the human eye. The file contents looks like almost random letters.

In general, the PST file must be loaded in Outlook to read. If an e-mail will be deleted, or even if it is removed, it can be stored within the body of the single large file, but no longer accessible to the program. Some deleted e-mails can be recovered if a manual process through manipulation of the file, the repair of the resulting file and then loadingback into Outlook.

Text-based e-mail programs include Microsoft Outlook Express, Qualcomm Eudora Pro, Mozilla Thunderbird, Mac Mail and others. In text-based e-mail applications, each has his own mailbox file, and all e-mails from a particular mailbox that is stored in a single file. For example, there are probably only a single file for all emails in the Inbox, one for all in the Outbox, one for each user-generated-mail inbox, and so on. The mailbox files are primarily text files, if asingle e-mail is deleted, the text can be published "orphaned", or from the body of the file, but can still file as the rest of the body of the e-mail and include information such as date, time is worthless, and the dispatcher.

A standard recovery process does not return those deleted e-mail as the mailbox that she can hold was still intact - but not yet in the hands of the deleted e-mail. Part of the electronic discovery would allow users ofallocated (if a file is written, the operating system allocates a certain portion of the disk to the file. is, if the file is deleted, that de-allocated space, and so-called unallocated space) part of the disk for specific words or phrases that are likely to suspect the body of e-mails. A search can also be performed for text-based e-mail headers. The resulting data can then be collected and displayed as text files.

A third form ofE-mail is Web access to e-mail. Many if not most commercial e-mail provider, the user the ability to access e-mail service via a Web browser. America Online is another default e-mail provider, which usually do not save e-mails on the user's computer by. E-mail on a remote computer, stored or distributed over several remote computers that can be anywhere on the Internet. Since this host computer, hundreds or even millions of users and their e-mail is the retention of this e-mail is verydynamic. When emails are deleted in such an environment, but rather the remains of the individual e-mails and files will be overwritten quickly and repeatedly. There may be some remnants found on the computer of the user in a virtual memory or buffer-file, however. The recent U.S. Attorney's scandal highlighted the use of such Web-based e-mail (see Why Email Matters: The Science Behind the U.S. Attorney Scandal, by Steve Burgess).

There is always a chance that should the remaining deleted files or remnants of thembe overwritten. With this option it is best to immediately disable any computer on which the recoverability of the data is in question. The longer the computer remains in use, the greater the likelihood of useful data, which irreparably damaged. If a user the computer is likely to be tested or used in legal matters, or when the document is discovered to be expected, the computer should be turned off to prevent removal of evidence.

If appropriate measures are taken when a fileis deleted, the file is probably recoverable. The same applies to e-mail. While trash or deleted e-mail can not be restored as a full mailbox file, said the contents of the e-mail could be found and their metadata to or recoverable by the various methods are available to computer forensics specialists.

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Innovation Makes Data Center Disaster Recovery Plans Easy

Did you know that is possible, "innovation" with EASY magic? It is true, and actually quite an easy task for data center disaster recovery plans.

In the past, both companies have decided that had to secure their data depend on to do in today's standards, very primitive way. I'm pretty sure that you are able to recall these primitive means because, CDs, printouts, diskettes, and, unfortunately, handwritten documentation. These files are usually always in massive filing cabinets kept hidden in the back office, sitting gathering cobwebs and dust.

In those days there were no such things as computer backup systems that make the majority of today's data center disaster recovery plans. In fact, in these days of online computer backups were completely unknown, such as the Internet. Thanks to innovative technologies, is now a very much simpler and easier to have a data center disaster> Restoration Plan, and also much more efficient but also more space than a rusted out some old file cabinets.

There is no debate that these innovative technologies-have data center disaster recovery plans easier every kind of business, but surprisingly, not all companies can make the choice to reap the benefits of these technological comforts. You read that right, it does not believe it is computer backup systems are still in their wayData center disaster recovery plans of quite a few stubborn old-fashioned company. Unfortunately, these companies claim they can not justify the cost of a computer backup system and continue on the business without any kind of safety net for themselves, nor their customers. Every little mistake, which could in their system to trigger a massive defeat completely paralyze the whole company.

What these companies have failed to see is that data center recovery plans are anessential aspect of all businesses. You can not just single handy save a company from an unforeseen disaster, they can also reduce overtime costs dramatically and increase efficiency. From this perspective, it is easy to recognize that an investment in a quality data center disaster recovery plan can pay for itself over and over again.

In reality, the popularity of computer backup systems and online computer backups, making it very easy and affordable to make and invest ineliminated virtual every excuse possible not to wait any longer to develop a data center disaster recovery plan. We can do only those firms that still refuse to execute the design and reliable data center disaster recovery plan is wish them luck, as they surely will need. In fact, with the risks that come into play, players will be in the round of the economy, these firms need all the luck they can get their hands.

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Data Recovery From (RAID) Servers

In other words, you have a request for the website, sent via Web browsers. This request is answered by the web server by entering the desired page to the Web browser, which in turn shows them.

The web server works this way, there are many other types of servers that are frequently used.

Types of servers

Probably the easiest of the server, the file servers. You can send your request to add a file or a file over the network to the file server. (File Serverrequire a large bandwidth.) Another equally simple server is the disk server.

A comparatively more advanced version is a database server. In a database server, the user passes a message to the server (in SQL - Structure Query Language ") and the results are returned via the network. The data on the server and can use the code that the request to find the desired data processes. The customer is not at all the files that have been adopted to maintain the required scanInformation.

The other server, the transaction server, which an SQL database engine contains. The procedural statements that are executed on the servers, either the entire SQL transactions, or they do not view as a group. Because the applications are mission critical to the transaction server, they require an increased level of security and integrity of the database. The exchange usually consists of a single request and response.

A server that is very often used in contrast to the transactionServer is the e-mail server. This receives mail from other e-mail clients and servers. The mail server consists of a warehouse, a list of users, a number of communication modules and a set of rules defined by the user. The storage space is a database containing information that consists of the received e-mails and in transit. The user defines rules determine the response of the mail server, certain messages, for example, only certain e-mails can be sent to a company, while receiving the remainder toblocked. The communication modules (their number being determined by the mail server) for the transfer of messages back and forth, the e-mail clients.

Server function normally without manual intervention and they are expected to work almost constantly, so the RAID is used.

RAID (Redundant Array of Independent Disks)

This is also known as "Redundant Array of Inexpensive Disks". This term refers to a computer-data storage and also sharesreplicate data between different hard drives. In a RAID, the different physical disks are combined into a single logical unit by using a special hardware or software.

The three main concepts of RAID are:

· Mirroring - the copying of data on different drives in the array

· Striping - the division of data in more than one hard disk, and finally

· Error - redundant data is saved for error analysisDetection in case of need

RAID systems are designed to function reliably, so they are ideal for servers. But at times, array also fail and recover data from a controller (RAID) RAID server is a complicated process.

Data Recovery from a controller (RAID) servers

In the event of data loss, an initial diagnosis is performed, which determines whether each device is accessible. If the media is accessible, aRAW image is created by all the data to a new device, so that the type of information loss can be determined. Sometimes, some devices can be accessed, they are closely tested together to assess the extent of physical damage. Recovery from a crashed RAID in general is the replacement of damaged components like the read / write head, the drive motors, etc . specialized tools are used to restore the lost data.

Are servers with multiple drivesde-touched on to a device to enable the performance of the file system repair and extract the files.

Data loss is usually induced panic. The loss of data from a RAID server requires an important precautionary measure. The disk array should not be changed. Even if they are removed from the server, they should be back in the same order and the restoration of data experts must be contacted.

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