Millions of Samsung Galaxy smartphones users are at risk of theft of date, eavesdropping of calls and installation of malware. There isn’t much that can be done.The security flaw is found in the Swiftkey which is preinstalled in 600 million Galaxy phones. The affected Galaxy users will be powerless to address the flaw since they can’t uninstall the software.According to NowSecure, affected Galaxy handsets include the Galaxy S6, S4 Mini, S4 and S5.Sammy said that it would fix the problem in the next few days. The fix will be accessed through its service Samsung Knox. The fix will be availed as a security policy which can be downloaded onto the Galaxy phones.Samsung is taking the security flaw very seriously. The South Korean tech giants said that they are working with Swiftkey to address the issue.According to NowSecure, the Galaxy handsets are vulnerable to the security flaw from a variety of fronts. A hacker who is nearby a smartphone can gain access through a public/free Wi-Fi.The attack appears to be a serious and pervasive issue till it is fixed. To avoid this key, use a different mobile handset and avoid public WIFI connections.However, according to security pros, an attack could have limited returns for hackers.Hopefully, Samsung will provide a patch for their customers soon.