When performing a security check, if a [Security] effect, a "when this Digimon checks an opponent's security" effect, and a "when a security stack is removed from" effect trigger simultaneously, what order do they activate in?
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The [Security] effect is activated first. When a [Security] effect is checked, it is activated immediately without waiting. Activate the other triggered effects in order, starting with the turn player's effects.
Source: EX12-019 Nezhamon