What can I do to protect my kids from cults?

I often fear that cult members might befriend my kids and indoctrinate them. In your view what’s the best solution to protect yourself and kids from these insidious groups?
What can I do to protect my kids from cults?
What can I do to protect my kids from cults?
What can I do to protect my kids from cults?
What can I do to protect my kids from cults?
What can I do to protect my kids from cults?
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