The so-called "man-in-the-cloud" attack is said to be a common flaw in most cloud-based file synchronization services.
Hackers don't even need your password anymore to get access to your cloud data. Newly published research, released at the Black Hat conference in Las Vegas on Wednesday by security firm Imperva, shows how a "man-in-the-cloud" attack can grab cloud-based files -- as well as infecting users with malware -- without users even noticing.
The attack differs from traditional man-in-the-middle attacks, which rely on tapping data in transit between two servers or users, because it exploits a vulnerability in the design of many file synchronization offerings, including Google, Box, Microsoft, and Dropbox services.
This is not just an issue for consumers, but also businesses, which increasingly use cloud-based services to share sensitive customer and corporate data.
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