Supported by the following organizations
This is to certify that Oleksandr Zakharchenko successfully completed and received a passing grade in NDE-112-51: Network Defense Essentials (NDE) a course of study offered by EC-Council, an online learning initiative of EC-Council.
Noted by
Jay Bavisi
President and Chief Executive Officer EC-Council
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- Verified Certificate Issued November 16, 2025
- Valid Certificate ID 3bdad7ec11c54f5db36e37a9e44f4754