<A target="_blank" href="http://www.networkworld.com/news/2011/011211-rim-warns-of-blackberry-browser.html?source=nww_rss">Research In Motion (RIM) has issued two advisories affecting BlackBerry smartphones </A>and BlackBerry Enterprise Server (BES). Using malicious code a hacker could create a "partial Denial of Service (Dos)" attack on the devices.