captive portal

September 17, 2026 | 25 min

The Auditor Asked to See the Guest Network: Captive Portal and Network Separation at a Hong Kong Firm

A Hong Kong firm's guest Wi-Fi worked fine, until a client's supplier review asked for evidence that visitors could not reach the file server. Why "we have guest Wi-Fi" and "guest Wi-Fi is segregated" are different claims, what a captive portal does and does not prove, what auditors actually ask for and what tends to satisfy them, an honest look at rolling out 802.1X, and a realistic five-week response sequence.