How I stopped Zapier from overwriting CRM lead source attribution

This came up during a B2B sales team where website leads entered the CRM through forms and Zapier automations. The problem was not dramatic at first: lead source changed from paid search to referral after a follow-up enrichment step. I suspected bad UTM tagging, especially because it happened when a Zap updated the lead after Clearbit enrichment returned company data. Once it caused marketing rep…