Agnivo Roy

Computer data or digital information is one of the most sensitive and important assets of people, businesses and organizations today. Personal information, transactions, business secrets, plans and such other critical data are being increasingly stored on computer systems these days; with a lot of people and businesses going digital to minimize paperwork, increase efficiency, introduce automation and increase overall productivity. As the dependency on computers have increased, so has the number of portable devices like laptops and PDAs. With these, the chances of data theft, system compromise and intrusion activities have increased greatly.

System admins and security analysts claim that most of the data theft, intrusion, hacking, sabotage, etc. arise due to …

Probably you have heard about VPN or Virtual Private Network but might have never used it in practice. A VPN is a secure network across the Internet (Virtual) where the data is sent encrypted (private), makes use of the public internet infrastructure. Privacy is maintained by the use of a tunneling protocol, encryption, and other security features. Though VPN is particularly popular with organizations and corporate sector for their personnel to directly interface with the local network from anywhere in the world securely and seamlessly, it has already found other uses as well.

VPN has been well received by the common public behind restrictive content filters, firewalls, etc. allowing anonymous surfing without any blocking. …

The term SEO or Search engine optimization is very popular with webmasters, internet marketers, online marketing personnel and companies these days. Building and maintaining a site is important but attracting visitors and leads is equally important for a webmaster or organization having websites online. SEO seeks to increase a site’s visibility in search engines and enhance its value to visitors through topical page design, consistent HTML tagging, and focusing content on core keywords. This is the process by which a website is shaped in structure, technology and content in order to encourage search engines to rank it highly for selected key phrases. Based on ethical standards, SEO can be white hat (ethical), Black Hat (non-ethical) …

If you’re a person always on the move and often need to scan documents while you travel, then carrying around a normal scanner device isn’t feasible at all. To satisfy mobile scanning needs, there are many portable scanners available these days which are small in size, require no extra power source, light enough to carry, have fast scanning speeds and affordable too. Portable scanning devices can often be seen with busy executives and sales personnel on the move and do the job as expected; performing quite nearly to their bigger counterparts.

A good portable scanner is the ScanShell 3000DN which also boasts of full duplex scanning …

GPS or Global Positioning System is a worldwide radio-navigation system that was developed by the US Department of Defense and has been around for sometime now. Initially, this promising technology found it’s main use in defense and military operations where various mission-critical real-time information was involved regarding weather, troop positions, topography, tracking various objects, people and what not.

This beautiful technology utilizing a system of satellites and receiving devices is used to compute positions on the Earth. GPS is used in navigation, and its precision supports cadastral surveying. Thanks to progressing research and development, GPS has now landed in the hands of common man and organizations finding many important real-life uses like surveillance, child/pet/people …