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The volume of cloud-based malware tripled in 2022 over the prior year, says Netskope, with 30% of the malicious downloads coming from Microsoft OneDrive.
Image: AndSus/Adobe Stock
As more organizations have turned to the cloud to store and work with their data, applications and other assets, cybercriminals are increasingly exploiting cloud-based services to set up malicious downloads. A new report from network security provider Netskope looks at the rise in cloud-delivered malware and provides tips on how to protect your organization from these threats.
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Why the shift to the cloud has led to more cloud-based malware
The shift to hybrid and remote work has led to a greater use of apps such as Microsoft OneDrive, SharePoint and Microsoft Teams, and there was a dramatic rise in the number of users uploading content to these and other cloud-based services in 2022: Last year, more than 25% of people around the world uploaded documents each day to Microsoft OneDrive, 7% to Google Drive and 5% to Microsoft SharePoint.
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The delivery of cloud-based malware also shot up in 2022, triggered by an increase in the volume of apps being exploited to launch malware and the number of malicious downloads from popular apps. For the year, Netskope found 400 distinct cloud applications delivering malware, almost triple the number of the previous year. Some 30% of all malicious downloads from the cloud came from Microsoft OneDrive, followed by 8.6% from web hosting site Weebly and 7.6% from the software hosting site GitHub.
Why cloud-based attacks succeed
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Attacks that exploit OneDrive and other sites are successful for three reasons: tactics, user behavior and company policy. For a malicious cloud-based download to work, the attacker must use the right tactics to upload and share the malware from the cloud app. Then a user must…
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