diff --git a/docs.it4i/dgx2/accessing.md b/docs.it4i/dgx2/accessing.md
index 27bb21ca10d3724117b6296e0c2a4e8f0d6e2589..88c0cce803d00c1371c60589e59e49a9a652a178 100644
--- a/docs.it4i/dgx2/accessing.md
+++ b/docs.it4i/dgx2/accessing.md
@@ -1,5 +1,10 @@
 # Accessing the DGX-2
 
+## Before You Access
+
+!!! warning
+    GPUs are single-user devices. GPU memory is not purged between job runs and it can be read (but not written) by any user. Consider the confidentiality of your running jobs.
+
 ## How to Access
 
 The DGX-2 machine can be accessed through the scheduler from Salomon login nodes `salomon.it4i.cz`.