Startup PreVeil Challenging Cloud-Based Encryption Standards

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Publicated : 22/11/2024   Category : security


Startup PreVeil Challenging Cloud-Based Encryption Standards


Boston-based PreVeil is looking to change the way data is encrypted in the cloud, and it is butting heads with the bigger cloud storage providers to prove its point.



Storing and sharing files in the cloud is the norm these days. But new questions about the robustness of current encryption have sparked rivalry between a Boston-based startup and one of the Big Three cloud storage providers.
Dropbox has come under fire for using an old security paradigm that has fundamental vulnerabilities, according to a statement from newbie PreVeil, which has patented a new approach to encrypting data not just at rest or in transit, but also during computing and processing.
Their security architecture allows them to read users information and so can anyone that hacks them, according to
PreVeils statement
targeting Dropbox.
(Source:
Flickr
)
Dropbox was subject to a user name and password breach in 2012, which was
exacerbated in 2016
when attackers released a list of 68 million stolen passwords. Dropbox claims that in 2012, it was using the best data protection security available, and then four years later after the stolen material was published, it enforced an obligatory password reset for users.
However, PreVeils contention appears to be that Dropbox was lax.
The breach wasnt acted upon until 2016, meaning that in a period of several years, attackers could potentially have stolen user information, PreVeil CEO and founder Randy Battat told Security Now. This problem extends beyond Dropbox because its likely that many users had the same password for other services.
Its understood that Dropboxs decision to remediate in 2016 was made on the basis that resetting passwords was for the better good, even though some users may have found a password reset impossible because they had no access to the email address they used to set up the account.
Thats now water under the bridge, but it asks questions about how watertight standard encryption technology is, and with the cloud everywhere, whether its counterpart -- encryption everywhere -- has found a market opening?
Scale versus statistics
Dropbox has about 500 million end users -- the
company also recently went public
in a successful IPO -- and as tends to be standard when running a large-scale service, it holds the data encryption key itself, allowing its users to collaborate using services such as Presence and Paper.
By contrast, PreVeil uses a unique group encryption approach, commercialized from
academic research at MIT
, which doesnt store the key on a central server, and so the logic goes, it isnt available for theft. The start-ups contention is essentially that, even if a hacker breaks a system, with the new encryption technology, whatever they find will be unintelligible garbage.
Dropbox declined to comment on the record for this story, however, the company has detailed its own encryption standards and how it protects customer data.
Specifically, when Dropbox stores data in the cloud, its broken up and stored in non-contiguous blocks that dont necessarily relate to one another. The firm believes that the resulting ocean of encrypted blocks, leaves anyone breaking into the system mathematically in the dark about which blocks go together to form a coherent file, and again, the datas garbage.
Nevertheless, Battat argues that servers are still vulnerable.
The Dropbox product and user experience are built on the assumption that servers will always be able to read user data, he said. Changing this assumption challenges the fundamental design and technical principles upon which Dropbox is built. PreVeil was built from the ground up with the understanding that servers should never be allowed to see user data.
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Incidentally, PreVeil also singled out Microsoft OneDrive, Google Drive and Box for criticism on the basis they use similar methods.
Who can afford to play the odds?
So, has the time arrived for a better level of encryption in the cloud?
PreVeil thinks so, aiming for the mass market with its own Drive service which launched late March, betting that standard technologies have had their day, no matter the statistics behind the chances of hackers reading data.
Unless your service provider encrypts information end-to-end, there is a non-zero chance of your information getting leaked from server-side breaches, Battat said.
One can see the need for hugely scalable file storage and transfer to meet the needs of businesses and consumers has required a conventional-wisdom approach from the Big Three.
But one could also speculate that as more data is stored in the cloud, the stakes are raised, the amount of data lost could be huge, and the business disruption very substantial.
Weighted against this is the high cost of a sophisticated, time-consuming attack in order to be successful, when brute-force attacks are still mainstream and are no doubt lower-hanging fruit in terms of time versus gain.
More fundamentally, are the mathematical risks with standard encryption technologies statistically meaningful enough to warrant a reinvestment in security architecture?
Related posts:
GDPR Compliance: Enterprises Have Two Options to Consider
Equinix SmartKey Makes Encryption Easier
Cisco Security Report Finds Cloud-Based Attacks Increasing
— Simon Marshall, Technology Journalist, special to Security Now

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Startup PreVeil Challenging Cloud-Based Encryption Standards