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Today we released our quarterly Cloud Report – global as well as Europe, Middle East and Africa versions. In this quarter’s report, besides our usual cloud app usage numbers and cloud data loss prevention (DLP) stats, we focus on cloud threats and malware with a special emphasis on ransomware. As ransomware continues to haunt organizations of all sizes, Netskope Threat Research Labs have kept abreast of new forms, releasing research examples of strains like Zepto, cuteRansomware, and others.
One critical finding for this quarter is that 43.7 percent of the cloud malware types we detected in cloud apps are common ransomware delivery vehicles. This is taken from the combination of Javascript exploits and droppers, Microsoft Office macros, and PDF exploits. These delivery vehicles may deliver other forms of malware, but are now often being used for ransomware. For the full breakdown of cloud malware types detected in cloud apps, we found that Javascript exploits and droppers comprised 17.1 percent, Microsoft Office macros 15.8 percent, PDF exp