Remembering Grant Du Plessis: A Pillar of Strength and Service
It is with great sadness that we share this news. With the heaviest of hearts, we announce the passing of Grant Du Plessis — our Sierra 1 and Head of Response. Grant passed away on 17 September 2025, surrounded by his loved ones.
Grant was full of life, bringing energy, inspiration, and unwavering dedication to our work. Fierce, loyal, and always going above and beyond, he earned deep respect throughout the security industry and the affection of everyone who knew him.
This is a tragic loss for our community and our Pro-Sec family. Our heartfelt prayers are with Grant’s family and loved ones during this difficult time. The outpouring of condolences and support from the greater community has been overwhelming and deeply appreciated.
We leave you with this quote from Famke Janssen: “When the sun shines upon you, you would be a fool to look away.”
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