Android 4.0 introduces some new security holes that users and IT admins need to be aware of. IT admins in particular should be aware that it could be possible to take email content or data from file attachments and open it in third-party apps that may not provide the same level of security. The ability to copy and paste from email could lead to data loss. If data is not encrypted in transit, there is potential for information to be exposed or intercepted in transit. Android Beam can help users beam data and contacts from one Android device to another.”]
Source: https://www.csoonline.com/article/2130205/android-4-0–security-holes-in–ice-cream-sandwich-.html