Quora suffers a data breach

3 Dec 2018

Quora suffered a data breach which affected 100 million of its users. The breach was discovered on 30 November by Quora, and it is not known how it occurred. According to the official press release, users’ information that was exposed included account information, e.g. name, email address, encrypted password (hashed with a salt that varies for each user) as well as data imported from linked networks when authorized by users, public content and actions (e.g. questions, answers, comments, upvotes), and non-public content and actions (e.g. answer requests, downvotes, direct messages). Questions and answers that were written anonymously were not affected by this breach, because Quora does not store the identities of people who post anonymous content.

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Cybersecurity is among the main concerns of governments, Internet users, technical and business communities. Cyberthreats and cyberattacks are on the increase, and so is the extent of the financial loss. 

Yet, when the Internet was first invented, security was not a concern for the inventors. In fact, the Internet was originally designed for use by a closed circle of (mainly) academics. Communication among its users was open.

Cybersecurity came into sharper focus with the Internet expansion beyond the circle of the Internet pioneers. The Internet reiterated the old truism that technology can be both enabling and threatening. What can be used to the advantage of society can also be used to its disadvantage.

Cybercrime is crime committed via the Internet and computer systems. One category of cybercrimes are those affecting the confidentiality, integrity and availability of data and computer systems; they include: unauthorised access to computer systems, illegal interception of data transmissions, data interference (damaging, deletion, deterioration, alteration of suppression of data), system interf


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