From 5a4748b2ed461df5fa993b0bcdffd4a6a8fdaafc Mon Sep 17 00:00:00 2001 From: Thomas Augsten Date: Thu, 22 Apr 2021 21:39:11 +0200 Subject: [PATCH] Update event_registration.md --- event_registration.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/event_registration.md b/event_registration.md index 42fc876..7e08a58 100644 --- a/event_registration.md +++ b/event_registration.md @@ -26,7 +26,7 @@ An adversary can collect this information for a single venue by scanning the QR Note that CWA itself does not store this data on the server or anywhere else and cannot do profiling of venues. -To mitigate the risk, CWA encourages owners to regularly generate new QR codes for their venues. The more frequent QR codes are updated, the more difficult it is to keep a central database with venue data up-to-date. +To mitigate the risk, CWA encourages owners to regularly generate new QR codes for their venues. The more frequent QR codes are updated, the more difficult it is to keep a central database with venue data up-to-date. A new QR code should only generate when no visitor is on the event or location. Because visitor can warn only eachother with the same QR code. However, we acknowledge that the proposed solution does not prevent this attack with technical means.