Is using a VPN in Dubai illegal?

No, using a VPN is not illegal in itself. Certain activities remain illegal regardless of whether a VPN is used or not. Using a VPN—for instance, because you need or want to access a server abroad—is and remains legal. Accessing pornography, for example, remains illegal. Influencers who speak out against Dubai often spread the word that VPN usage is prohibited, but that is not the case.