Final answer:
Justification for the use of TEMPEST-certified equipment is essential due to the higher costs and complexity of such devices which are designed to secure sensitive information from electromagnetic eavesdropping.
Step-by-step explanation:
The use of TEMPEST-certified equipment must be justified due to its specialized nature. TEMPEST standards are designed to prevent electromagnetic emanations from devices which could be intercepted to gain sensitive, classified, or proprietary information. The certification is part of a set of standards known as emission security or EMSEC, which aim to secure electronic systems from eavesdropping through electromagnetic radiation. Given that TEMPEST-certified equipment is typically more expensive and complex than non-certified alternatives, justifying its use involves assessing the level of threat and the sensitivity of the information that needs protection.
Organizations that handle sensitive information, such as military, governmental agencies, and certain industries, commonly require TEMPEST-certified equipment to safeguard against data breaches and espionage. The justification process includes analyzing the costs versus the risks, ensuring that the investment in such specialized equipment is proportional to the potential threat. Without proper justification, the use of these expensive technologies could be viewed as unnecessary or wasteful.
In conclusion, justification is essential to ensure that the additional cost is warranted by the security needs of the organization or operation.