Earthquakes and tsunamis have caused much damage to human life and property in history. In March 2011, a major 8.9-magnitude earthquake occurred in Japan, followed by a tsunami, which together have resulted in the worst catastrophe in over 100 years. To know how earthquakes can cause so much damage, it is important to understand their origin.
Breach â the loss of control, compromise, unauthorized disclosure, unauthorized. acquisition, unauthorized access, or any similar term referring to situations where. individuals gain access or potential access to personally identifiable information, whether. physical or electronic for an unauthorized purpose.
The Secret classification level shall be applied to information, the unauthorized disclosure of which reasonably could be expected to cause serious damage to the national security. 10. The definitions of most of the important terms used by EO 12356 to describe the Secret classification level were given earlier.