<p>But for most Android phones, the fix never arrived. For many, it never will.</p><p>That's because it's not clear which company Google, the smartphone makers or the wireless carriers who sell them bears ultimate responsibility for the costly process of getting security updates to Android devices. Fixes to known security flaws can take many months to reach individual smartphones, if they arrive at all.</p><p>The problem, say security experts, has contributed to making the world's most popular mobile operating system more vulnerable than rivals to hackers, scam artists and a growing universe of malicious software.</p><p>Breaches remain more common on traditional computers than on smartphones, which have been engineered to include security features not found on desktop or laptop machines, experts say.</p><p><a href="http://www.washingtonpost.com/business/technology/android-phones-vulnerable-to-hackers/2013/02/01/f3248922-6723-11e2-9e1b-07db1d2ccd5b_story.html">Keep reading...</a></p><p>Read also:</p><p><a href="http://news.yahoo.com/wireless-carriers-making-android-smartphone-vulnerable-hackers-185010608.html">Wireless carriers are making your Android smartphone vulnerable to hackers</a> (Yahoo! News (blog))</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dpkpCoWtR9Y96tMFmN8KGgjbpVsfM&ned=us">4 additional articles.</a></p>