(Image credit: Future) ExpressVPN has completed its 27th independent security audit, the most out of any of the best VPNs . Cybersecurity firm Cure53 carried out the latest round of reviews, assessing two of the company's newest privacy tools: ExpressMailGuard , an email alias service, and Identity Defender , a US-only protection app. The audits were comprehensive in scope. Cure53 – known for rigorous white-box penetration testing – examined ExpressMailGuard's secure relay layer, and stress-tested the backend infrastructure behind Identity Defender. It validated that sensitive personally identifiable information remains isolated and protected against unauthorised access. The milestone marks another step in ExpressVPN's broader ambition to bring independently verified privacy tools under one subscription.…