2 official rulings from Bandai, last ruled Mar 28, 2024. Straight answers to how this card actually resolves.

I use this card, then attack my opponent. If an Option card with a <Security> effect is flipped over during the security check, does its effect activate?
Yes. An Option card’s <Security> effect is not considered to be the same thing as using an Option card, so it activates normally.
Ruled Mar 28, 2024
My opponent uses this card and passes the turn back to me. Can I activate <Delay> on an Option card that was already placed in my battle area?
Yes. Activating <Delay> on an Option card that was already placed in your battle area is not considered to be the same thing as using an Option card, so it activates normally.
Ruled Mar 28, 2024
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Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.