- Surfshark has been independently tested using “real-world” attack scenarios
- SecuRing found no critical vulnerabilities or high-risk issues
- A minor SSL/TLS configuration issue was identified and quickly resolved
Independent auditors have confirmed that the technical infrastructure behind Surfshark, which consistently ranks among the top competitors in our best VPN guide, meets the highest security standards.
Conducted by external cybersecurity firm SecuRing, the comprehensive security assessment was designed to verify the resilience of Surfshark’s network against sophisticated real-world cyberattacks. The auditors were tasked with identifying potential weaknesses in the design, configuration and maintenance of servers that maintain user data privacy.
The results appear to confirm Surfshark’s internal security protocols. SecuRing’s report confirmed that no critical vulnerabilities were found or any high-risk issues that could impact user security. The testing also verified that the infrastructure provides strong protection against the specific attack scenarios used during the evaluation.
Real-world stress tests
For the average user, the “black box” nature of this audit is particularly reassuring. Rather than inspecting the code with a guide to help them, auditors attacked the system from the outside, just like a malicious hacker would.
Tomas Stamulis, head of security at Surfshark, explained that the tests reflected real-world attack scenarios to simulate external attackers compromising the network. “This was accomplished without privileged credentials, privileged information or special access,” he added.
The objective was to ensure that nothing was left to chance.
“Through this, we wanted to ensure that unauthorized users cannot access our infrastructure, that customer data always remains protected, that servers cannot be interrupted for our customers, that security configuration errors cannot occur and that potential weaknesses are detected immediately before they can be misused,” Stamulis said.
Although no critical vulnerabilities or high-risk issues were found, the audit revealed one area for improvement: a single minor SSL/TLS configuration issue. However, Surfshark confirmed that the issue was “quickly resolved.”
Transparency regarding minor fixes is often seen as a positive sign in the cybersecurity community, as no complex system is ever 100% perfectly secure. The willingness to find, fix, and publish these minor defects is what differentiates premium providers from budget options hiding behind marketing jargon.
“Digital security is constantly under the radar of bad actors, and an independent audit examining our security systems is a crucial part of building trust and ensuring transparency, allowing us to identify and implement minor improvements,” Stamulis said.
Why it matters
This is not Surfshark’s first rodeo when it comes to transparency. We previously covered how Surfshark confirmed its commitment to user privacy with a second no-logging audit in June, proving that the provider does not store user data.
However, an infrastructure audit is another matter. While a no-logs audit verifies that the company won’t spy on you, an infrastructure audit verifies that a third party can’t break in to spy on you.
By inviting SecuRing to attack its systems without “special access,” Surfshark effectively put its defensive capabilities to a stress test.
This latest move aligns Surfshark with the broader industry trend toward “security by verification” rather than “security by trust.” Major competitors like NordVPN and ExpressVPN also regularly run third-party tests to validate their claims.
For Surfshark, this specific infrastructure audit constitutes tangible proof that its server network is not only fast, but also hardened against intrusions.
“The successful completion of this infrastructure audit highlights, once again, that our systems align with the highest security standards, providing tangible proof to our users that the services they use are protected,” concludes Stamulis.
Users who want to delve deeper into the technical specifics can read the detailed version of the SecuRing audit report here.
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