Smartphones now account for 60% of infections in the mobile network: Nokia

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Mobile networks, smartphones pulled ahead of Windows-based computers and laptops, now accounting for 60% of the malware activity observed in the mobile space, according to a research findings by Nokia Threat Intelligence report. The report also reveals an increase in iOS-based malware, growing sophistication of Android malware and the rising threat of mobile ransomware.

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The report said that it examined general trends and statistics for malware infections in devices connected through mobile and fixed networks. Data is aggregated where Nokia malware detection technology is deployed, with more than 100 million devices covered.

Due to a decrease in adware activity, the overall infection rate in mobile networks declined from 0.75% to 0.49% on Windows-based PCs connected to the Internet via a mobile network in the second half of 2015, the report said. Adware is a software that automatically displays or downloads advertising material (often unwanted) when a user is online. In the same time period, smartphone infection rates increased and now account for 60% of infections detected in the mobile networks.

"Security is a very real concern for any device with an IP address, be it Android, iPhone or even a Windows PC connected to the mobile network. While Android infections continue to rise and become more sophisticated, the Nokia Threat Intelligence Report from late 2015 was the first time we saw iOS malware make our top 20 list, with XcodeGhost being the fourth most prevalent malware detected," Kevin McNamee, head of the Nokia Threat Intelligence Lab, said

Android continues to be the main mobile platform targeted, the report revealed.For the first time since the report began, iOS-based malware - including XcodeGhost and FlexiSpy - is on the top 20 list.

In October 2015 alone, iPhone malware represented 6% of total infections. The XcodeGhost malware was injected into apps through a compromised software development kit that was used by Chinese developers to create legitimate apps distributed via the Apple App Store. Apple has removed these apps from the Apple Store, but some malware remains active.

"We also saw a rise in a variety of ransomware apps that try to extort money by claiming to have encrypted the phone's data. Nokia's security approach reaches into the network to stop malware before getting to the device itself and before damage can occur," McNamee said.

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