Product Overview  

DataSafe-Online is comprised of several functional components that protect and manage data, email, system configuration, asset information, and system integrity for enterprise/small-business servers, desktops and laptops, regardless of where they are located.

DataSafe-Online provides:

  • Backup and Recovery—Fast, easy, and secure data protection and accessibility, 24/7/365
  • Advanced Email Handling—Ultra-efficient capture and storage of user’s email archives
  • Web Restore—Anytime/anywhere access to data via web browser.
  • PC Data Migration—Data transfer from system being replaced (or lost) to a new PC

How the Solution Reduces Data

The foundation of the solution is its patented data reduction technologies that minimize the amount of data captured during any backup session, while at the same time ensuring that all the important data and system state are captured and protected in the data center. This is accomplished through: 

  • Redundant File Elimination – Technology that allows common files to be stored in one user’s archive set, and then prevents extra copies of common files from being stored in multiple user archives.
  • FastBIT – Technology that allows only the changed sets, at a bit level, to be sent, instead of whole files. FastBIT binary incremental backups reduce backup times and bandwidth requirements up to 99%.  Data can be backed up over a broadband or a dialup connection.
  • Compression – Data is compressed before it’s sent to DataSafe-Online Server.


In today’s computing environment, businesses are relying on computers to perform daily business activities as well as mission critical functions. The use of computers in business is essential to maintain a competitive edge in almost any marketplace. As smaller companies begin to realize the benefits of computers for bookkeeping, customer databases, word processing, e-mail, point of sales, scheduling, research and web sites, the need to have a backup copy of this data becomes more important. Research has shown that more than 80% of the businesses suffering from catastrophic data loss have gone out of business within 12 months. This is not hard to believe considering the extent computers are relied upon in businesses of all sizes.

The issue of data protection is not a new issue, but it has been more of a large corporate concern because many smaller businesses did not have the computing systems that were in use by larger corporations. Today, with the low cost of computers and the easy access to the Internet, businesses of all sizes have the ability to utilize computers for many important job functions. Small businesses rely on computers to automate and simplify tasks in order to reduce the costs of running a business. This makes any loss of data a significant business risk. With secure offsite storage capabilities offered by NesTECH a small business can automatically protect their data on a daily basis to ensure continuity.



When proposing the benefits of off-site storage using the Internet as the communications medium, users may raise a concern about the security of their data. Whenever data privacy is an issue, some type of encryption needs to be employed to insure that the data can only be accessed by users with the correct access codes. Encryption allows a user to specify an access code or password which is used to make computer data unreadable to anyone without the correct password or key. There are hundreds of encryption algorithms available today, but a few stand out as industry leaders. The DES algorithm is a popular algorithm of the past that has been used by the U.S. Government as the standard encryption algorithm. Another popular algorithm is the Blowfish algorithm which allows a more powerful encryption and faster performance than DES. These encryption algorithms are currently available in DataSafe-Online.

  • DES - Adopted in 1977, DES is based on a conventional or secret key system in which the sender and the receiver use a single key to encrypt and decrypt data. The sender uses the key to convert the data to scrambled format according to a complex mathematical algorithm, and only users with the correct key can successfully decrypt the data. Having a key length of 64 bits, 56 are used as a key, while the remaining eight are used to check for errors. The DES algorithm will encrypt data in the same amount of space used by the original data. The user selects which one of more than 72 quadrillion transformation functions are to be used by selecting a 56-bit key. The theory behind the security of DES has been that, short of trying all 72 quadrillion combinations, there is no way to "break" the algorithm. 
  • Triple DES - To increase the security of DES, some organizations use "triple DES" - or three operations of DES with two keys - to protect data. This method, however, requires more processing power which may affect performance.  
  • Blowfish - Blowfish was designed in 1993 as a fast, free alternative to DES. Unlike DES, however, the Blowfish algorithm has a variable key length, which can be extended from 32 bits to 448 bits. Blowfish has been well received in the marketplace because it is faster and more secure than DES.



With DataSafe-Online there are several places that encryption is used to ensure that the user’s data is secure.

  • Communications - Since the information is transmitted across the Internet, the communications between the user and the server should be encrypted to prevent a malicious person from intercepting data as it is transmitted over the Internet. As part of the initial connection procedure, the DataSafe-Online client software negotiates a compatible set of encryption methods before sending any user information or data to the server. This ensures that all user communications during the entire backup and restore process are completely encrypted
  • Storage on Server - When the encrypted backup data has been successful received by the server, it is immediately stored on the disk in the encrypted format and the filenames are further encrypted to make it more difficult for someone to identify the user data on the server. Data must be encrypted while stored on the DataSafe-Online Server to prevent an unauthorized user from accessing the data files also to protect the data in the event that physical storage devices are obtained by an unauthorized third party. 
  • Storage on Client - Important information such as the user’s password must be stored on the client computer in order to facilitate the logon process to the DataSafe-Online server. This password and other important information are stored on the customer’s system in an encrypted format that can only be read by the DataSafe-Online client application.  
  • Authentication - User authentication is performed immediately after the encrypted connection between the client and server has been made. The client software sends the username and password to the server to be validated against the Windows 200x (NT) user database. This method of user authentication provides a robust and secure method for managing users. Using the Windows 200x (NT) user database provide a standard secure database of users with the ability to quickly validate users against this database. 
  • Data Transfer - DataSafe-Online backup client opens a dynamic port to the internet so there is not incoming open port to customer’s network.