Peer recommendations, analyst coverage, and specific case studies. Cybersecurity buyers trust what their peers have validated and what analysts have assessed far more than what vendors claim about themselves. Brand marketing that produces third-party validation — through case studies with specific outcome data, analyst briefings, and community credibility — is structurally more effective than advertising-led approaches. The most credible cybersecurity brand marketing doesn't lead with the vendor's claims. It leads with the buyer's peer validating the claim.