Gradually PCs are arising as the utmost need of tech environment. They are the ultimate stores of data and valuable information. They are linked to internet and intranets and thus pose high risks for security.

The PCs operate on highly sensitive data and are thus very vital from security point of view. To safeguard them, users use all possible tools like Firewall mechanism, spyware or anti virus. But they can assure security from the outsider attacks like malicious users or hackers. But with the growing frequency of innovative solutions, it is not far that software only protections will be evaded in near future thus arising the need of some more sophisticated and innovative security solutions.

To offer a solution for the growing security needs, Intel started with a safer computing initiative named as LaGrande Technology. The technology was renamed as Trusted Execution Technology or TET or TXT. The concept deals with integrating security measures at hardware level. More precisely, TFT is a hardware extension integrated with Intel’s processors and chip sets as a move to enforce security at hardware level to protect crucial data from any software bound attacks to maintain the integrity and confidentiality of data on PC.

So the question arises how this technology works? The technology ensures security by offering an environment dedicated fully to the application and protecting it from all the applications running or software on the system. It also maintains the backward compatibility of application which is an integral part of today’s IA-32 PC. The Trusted Execution Technology platform delivers security by integrating a number of capabilities. The capabilities included in the platform are:

1. Execution in protected environment: TFT provides the application with the ability to run in isolated manner so as to offer them protection from the third party software and applications. This reduces the possibility of any compromises on information.

2. Encrypted storage: TFT offers ability to store data and keys in encrypted form with the constraint that they can only be retrieved in same environment in which they were encrypted. This helps in protecting the data from malicious attacks while transferring data from any other environment.

3. Input Protection: The technology offers protection to the input mechanism. It offers security to the communication between input devices like keyboard/mouse and applications running in the executed environments.

4. Verification: Under this capability the system offers verification that TFT environment was correctly invoked.

Besides this the TFT also offers capabilities to secure graphics and launch and registration of operating system and system software components.

The Trusted Execution Technology offers security by enabling two protection models: 1. Standard Partition and 2. Protected Partition

Standard Partition: The partition offers an environment similar to what PC users have on their PCs these days.

Protected Partition: This provides an environment that enables software to make use of underlying hardware based security enabled by Trusted Execution Technology. A protected partition requires a Trusted Execution-capable processor, chipset, and a domain manager to provide domain separation.

The technique can be discussed yet more elaborately but at concluding point it can be summarized that to ensure the safety of data and sensitive information against the security threats, the chip giant plans to ad-hoc the IA-32 PC architecture with Trusted Execution Technology.


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