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A pentest is a deep point-in-time exercise. RedScore gives SMBs continuous outside-in visibility between engagements.
Annual pentests catch serious issues, but they do not tell you what changed after you shipped a new landing page or loosened DMARC during a migration. RedScore is not a pentest replacement. It is the watch layer that keeps your public footprint visible between bigger reviews.
Keep the pentest for depth. Use RedScore so a broken SPF record or missing header does not sit unnoticed for eleven months.