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KnowBe4 Scales Global Threat Defense with API-Driven Email Security and Native-Language Coaching
[May 19, 2026]

KnowBe4 Scales Global Threat Defense with API-Driven Email Security and Native-Language Coaching


KnowBe4, the global leader in digital workforce security, securing both AI agents and humans, today announced the launch of KnowBe4 Defend Graph API integration and localized teachable moments within its Inbound Email Security. The two product updates empower organizations to implement high-performance, zero-friction email security while delivering personalized, native-language coaching to a global workforce.

As organizations increasingly adopt integrated cloud email security (ICES), API-based deployments are becoming the industry standard. Traditional SMTP-based configurations can require complex mail flow rules and ongoing administrative overhead. KnowBe4 Defend Graph API removes this friction with a streamlined setup that requires only minimal permissions, enabling faster, scalable protection across the organization.

Simultaneously, KnowBe4 is addressing the need for global behavioral change with localized teachable moments, expanding Defend's language support by implementing rewritten teachable moments, not just translations. Unlike standard tools that rely on generic translations, this feature provides content rewritten by native speakers to ensure it is culturally and linguistically relevant and delivers regionally appropriate content that resonates with employees in their native dialect. This native-language support is offered in Chinese (Mandarin - Simplified), Dutch, English, French, French (Canada), German, Hungarian, Italian, Japanese, Norwegian, Portuguese, Portuguese (Brazil), Spanish, and Spanish (Latin America).

Key benefits and features include:

KnowBe4 Defend Graph API

  • Utilizes Outlook Category Tags to provide color-coded teachable moments directly in the inbox view, allowing users to identify potential risks without opening the email.
  • When an email is quarantined, Defend sends a separate, personalized notification to the user explaining the specific phishing signs that triggered the block, transforming each security action into an educational opportunity.
  • Administrators can chose to scan specific groups or enable a tenancy-wide option to automatically protect all mailboxes across the organization.
  • Graph API deployment aligns more closely with DKIM and DMARC standards, while SMTP remains available for organizations prioritizing link rewriting capabilities.
  • Security teams stay involved in the process, ensuring a balance between AI-driven automation and human oversight.

Localized Teachable Moments

  • Organizations can now manage a truly global program where every user receives the same high-standard of point-of-risk coaching, regardless of their location.
  • By providing the information users require in their native language, organizations reduce the volume of help-desk tickets from users asking for clarification on blocked or tagged emails.

"As organizations move toward API-based security architectures, simplicity and scalability are critical," says Greg Kras, chief product officer at KnowBe4. "Defend Graph API and our new localized teachable moments ensure users understand why threats are dangerous in the moment, across supported global markets. By combining zero-friction deployment with culturally relevant coaching, we are turning security into a continuous, global learning experience that strengthens the entire digital workforce."


KnowBe4 Inbound Email Security is the only Integrated Cloud Email Security (ICES) solution that combines zero-friction API integration with proactive threat notifications. We don't just hide threats; we use them as teachable moments to secure the digital workforce.

Defend for G-Suite is coming soon and will also include localized teachable moments.

For more information, visit https://www.knowbe4.com/products/defend.

About KnowBe4

KnowBe4 empowers the modern workforce to make smarter security decisions every day. Trusted by more than 70,000 organizations worldwide, KnowBe4 is the pioneer of digital workforce security, securing both AI agents and humans. The KnowBe4 Platform provides attack simulation and training, collaboration security, and agent security powered by AIDA (Artificial Intelligence Defense Agents) and a proprietary Risk Score. The platform leverages 15-years of behavioral data to combat advanced threats including social engineering, prompt injection, and shadow AI. By securing humans and agents, KnowBe4 leads the industry in workforce trust and defense. More info at knowbe4.com.

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