At Black Hat 2025, David Spark asked cybersecurity professionals what they most enjoy saying “no” to. Despite the “Department of No” stereotype, these experts have learned when a firm “no” protects the business. Whether that’s blocking risky AI tools, denying unnecessary feature requests, or keeping personal devices out of corporate environments.

Sometimes, the smartest “no” keeps the door open for better, safer innovation. Thanks to our participants for this video!

Huge thanks to our sponsor, ThreatLocker

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