Public clouds like Dropbox, OneDrive or Google Drive do not protect our data properly from malware

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Every day we hear news of more malware endangering the information security of users. Therefore, the main companies, such as Dropbox, Google Drive and OneDrive, offer an advanced malware protection system to be able to use these services safely. However, it seems that this protection against malware is not as effective as it should be.


A firm specialize in information security has just released a report in which it demonstrate how Microsoft cloud storage servers, OneDrive, Dropbox and Google Drive, both platforms with activated malware protection systems, are not able to detect a new zero-day ransomware.

“Of the clouds analyzed, OneDrive is the one that stores the most malware, probably because Microsoft’s antivirus engines are less effective” suggest an expert in information security, “followed by Google Drive in second place and, finally, Dropbox in third place, the latter being the one that detects the most and it eliminates the malware stored in the cloud”.

Neither the clouds, nor VirusTotal nor any antivirus engine is capable of recognizing 100% of malware.

Certainly, the information security it is not as effective as it should be. However, this should not alarm us either.

It is unlikely to trust that a security solution will protect us from 100% of malware, especially malware 0day. Neither Artificial Intelligence, nor platforms like VirusTotal will be capable of detect all the malwares.

We must bear in mind that the cloud has many additional information security features, such as the new OneDrive feature that will allow us to recover our data after an infection of ransomware, as well as the versioning functions of files that allow us to go back after that any of them may suffer some unwanted change.