The SaaS cloud application computes the prediction using homomorphic encryption and responds to Carol with an encrypted answer, which only Carol herself can decrypt.
The breach — one of the largest in the history of cyberattacks — included user data such as email addresses, dates of birth, encrypted passwords and security answers.
The breach, which Yahoo said it didn't discover until after Verizon had agreed to buy it, affected some 500 million accounts and compromised users' email addresses, dates of birth, encrypted passwords and security answers. .
The phone would list what information is being requested and then create an encrypted "token" that contains the answers.
Several specialized retrieval techniques have been proposed to answer queries on encrypted data.
In all of these cases, the answer is an encrypted messaging app.
Contributions: A retrieval scheme is proposed to answer queries over encrypted data at the CSP, ensuring confidentiality of data outsourced by the DO.
A retrieval scheme is proposed to answer queries over encrypted data at the CSP, ensuring confidentiality of data outsourced by the DO.
Our customer database contains general user profile information including name, email address, encrypted password, secret question and answer for password retrieval, IP address, mailing address and download history.
Unfortunately, it may take another terrorist attack for the public to understand the importance of gaining access to today's encrypted smartphones, when the public demands answers.
Yahoo said the stolen user account information may have included names, email addresses, telephone numbers, dates of birth, hashed passwords and, in some cases, encrypted or unencrypted security questions and answers.
