Every VPN says it protects your privacy. Here's how to check whether that's actually true — for any provider, not just the ones on this page.
A VPN sits between you and the entire internet. Every site you visit, every connection you make, passes through it before going anywhere else. That's the whole point — but it also means you're taking the provider's word for it that they're not logging, selling, or leaking what they see. So the real question isn't "does this VPN claim to protect my privacy" — every single one does. It's: how would you actually know if that claim were true?
An independent audit means an outside firm — typically a Big Four accounting firm or a specialized security auditor — is brought in to examine whether a company's actual infrastructure matches what it publicly claims. For a "no-logs" VPN claim specifically, auditors typically inspect server configurations, internal monitoring tools, and employee access procedures, checking whether the company is technically capable of logging identifying information like IP addresses, timestamps, or browsing activity — and whether it actually does.
This matters because a "no-logs" promise sounds absolute, but in practice it can mean different things. Some providers mean they don't keep browsing activity or source IP addresses. Others still retain short-lived operational data, crash diagnostics, or account-level billing records. An audit is one of the few ways to check which version of "no logs" you're actually getting.
Audits examine a company's servers and internal processes — things you can't inspect yourself no matter how curious you are. Open-source code is different: it's the actual software running on your own device, made publicly viewable so that any security researcher, hobbyist, or academic can inspect it, any time, not just on whatever schedule a paid audit happens to occur.
That's the real value of open source — it turns "trust us" into "verify it yourself, or trust that thousands of independent people already could." But it's worth being precise about what it covers: open-source client code tells you about the app on your phone or laptop. It doesn't tell you what's happening on the company's servers, which is exactly what an audit is for. The strongest combination is both together, not one instead of the other.
Here's a distinction that's real, but often gets stretched further than it deserves in marketing comparisons: some providers publish full audit report PDFs openly on their website, for anyone to read without an account. Others publish summary letters publicly and make the complete report available to existing customers, sometimes requiring a free account login to view it.
That's a genuine difference in transparency — but it's not the same as "audited vs. not audited." A provider that gates its full report behind a free login isn't hiding anything meaningful; it's just choosing a different distribution method than a provider that posts the PDF openly. When you see a comparison chart with a stark checkmark on one side and an X on the other for "published audit," look closer at what's actually being compared — the honest version is usually a matter of degree, not a binary.
None of these questions require you to be a security expert — they just require knowing what to actually ask, instead of taking a marketing page's checkmarks at face value.