A former Russian “sexpionage” trainee is warning Silicon Valley that foreign operatives are using romance scams and manufactured intimacy to pry loose trade secrets — and she’s laying out red flags she says engineers and tech executives should spot before they get burned.

Aliia Roza, a former Russian “sex spy” who defected from her native country after she fell in love with an intelligence target , told The Post in an exclusive interview that she was trained by authorities to seduce and manipulate her targets — and that she started studying the tactics as a teenager.

She says sex spies follow a sinister playbook designed to break down defenses before targets even realize they’re being hunted.

“They see the target, they need to get information,” Roza told The Post. “They need to ma

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