Why we're following it: Vaultive's first product out last May allows enterprise security managers to remotely control encryption of email data held in the Microsoft 365 cloud service. The encryption proxy uses the Advanced Encryption Standard to encrypt this cloud-stored data in a way that only authorized individuals can run an encrypted search query at the Exchange Server hosted by Microsoft to present the results in decrypted form that can be read in cleartext.
As Yoran has noted, the approach means businesses encrypting data this way in the cloud can prevent it being accessed or handed over to law enforcement under subpoena without the business knowing about it. New methods of providing cloud-based encryption appear to be something that start-ups and their investors are willing to bet on as businesses demonstrate growing confidence in use of cloud-based services.
Fun fact: Prior to co-founding Vaultive, Maayan Tal was general manager of McAfee's Israeli development operations.
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