diff --git a/metadata/pl.net.szafraniec.NFCKey.txt b/metadata/pl.net.szafraniec.NFCKey.txt
index 5458559a7e..e38439c346 100644
--- a/metadata/pl.net.szafraniec.NFCKey.txt
+++ b/metadata/pl.net.szafraniec.NFCKey.txt
@@ -15,6 +15,12 @@ Unlock KeePassDroid database with any NFC tags such as:
 * NTAG203
 * Sony SmartTag (few types are R/W)
 
+Security:
+NFC tag stores only random numbers, and the password is encrypted with those numbers, stored in protected 
+Android device memory. An attacker would have to scan(copy) your NFC tag and either steal and root your Android
+device 	to get your password. If you suspect that your NFC tag has been read, you can use NFC Key again to 
+re-write it with new random values, rendering the previous information useless.
+
 [https://raw.github.com/mateusz-szafraniec/NFC-Key/master/CHANGELOG.txt Changelog]
 .