security level 3 definition

security level 3 means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target.
security level 3 means the exceptional level of security applying for the period of time when there is the probable or imminent risk of a security incident for which further specific protective security measures shall be maintained;
security level 3 means the level at which security measures additional to those of Security Level 1 and Security Level 2 are maintained for a limited period of time when there is a probable or imminent risk of a security incident regardless of whether the specific target is identified;

More Definitions of security level 3

security level 3 means the level for which further specific protective security measures are to be maintained for a limited period of time when a security incident is probable or imminent, even if it is not possible to identify the specific target.
security level 3 means the level for which further specific protective security measures shall be maintained for a limited period of time when