The black market for malicious Android software is heating up thanks to a rise in popularity of overlay malware, which can siphon credentials off Android devices and give crooks a tool to defeat two-factor identification schemes, according to security researchers at IBM’s X-Force. Overlay malware allows attackers to create an overlay to be displayed on top...

Source code for the potent Android malware GM Bot has been leaked to underground forums, according to IBM security experts. The impact, IBM X-Force threat intelligence says, will be an uptick in GM Bot variants and the number of attacks targeting financial applications on Android-based devices. Limor Kessem, a cybersecurity analyst with IBM Trusteer, said...