Security • 6 min read • Updated July 2026
Security Tips After Activation
Lock down your card the moment you finish activating.
⏱️ 6 min read • 📅 Updated: July 2026 • Independent guide.
Documentation Index
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Protect your Capital One card and account after activation — alerts, 2FA, phishing, and card locking.
Lock down your card the moment you finish activating.