Use realistic expectations (and why setup decisions matter)
A user diagnosing or configuring a VPN connection should understand that a VPN does not guarantee anonymity, safety, or access. Even with careful data minimisation choices, some information may still be observable (for example, on your device, by the VPN software, or through network metadata). The most important limitation is scope: a VPN primarily changes the path of network traffic, not everything about how data is produced, stored, or monitored.
How it works in the context of data minimisation
In practical terms, data minimisation during VPN setup usually means reducing unnecessary sharing while you connect. That includes decisions such as which VPN protocol is used, how DNS queries are handled, which applications are routed through the VPN (or excluded), and whether your client is configured to avoid exposing traffic when the tunnel is interrupted. None of these choices removes all risk or eliminates uncertainty, but they can reduce some categories of exposure.
Likely risks and what they look like
Performance variability: connection speed and reliability can vary by network type, device, geographic location, provider, and time. If performance changes, some users may disable safeguards, switch settings, or restart sessions—sometimes increasing what gets exposed.
Partial protection: if DNS is not handled as expected, or if traffic bypasses the VPN in certain conditions, user activity may still leak outside the intended path. This can undermine your data minimisation goals.
Overconfidence in static claims: current product, legal, and empirical claims can change over time. Because there are no source fragments here, treat any specific guarantees about “no logging” or “no risk” as unverified until you check the provider’s current materials.