This article provides some useful tips on locking down an Android-based mobile device to prevent malware infections. As most know, the Android platform is much more wide open than the Apple platform and as such, at more of a risk of getting infected with malware.
According to this article, more than 23 million devices connected to the Internet are vulnerable to being exploited by a single UDP packet. From the article:
That warning was issued Tuesday by vulnerability management and penetration testing firm Rapid7, which said its researchers spent six months studying how many universal plug and play (UPnP) devices are connected to the Internet — and what the resulting security implications might be. The full findings have been documented in a 29-page report, “Security Flaws In Universal Plug and Play.”