Greenwashing is the practice of making false or misleading claims about the environmental benefits of a product, service, company, or technology. In cybersecurity, this term refers to organizations exaggerating or fabricating their environmental responsibility in digital operations, such as claiming data centers are 'green' without substantial evidence or overstating the sustainability of their IT infrastructure. Greenwashing can mislead consumers, investors, and regulators, undermining genuine efforts to reduce environmental impact. Recognizing and exposing greenwashing is crucial for maintaining transparency and promoting real sustainability in the tech and cybersecurity sectors.