VIEW DOCUMENTS ON MY BUSINESS VERIZON ACCOUNT SOFTWARE
Over an eight-month period, a developer working for an affiliate marketer scraped customer data, including usernames and mobile numbers, from the Alibaba Chinese shopping website, Taobao, using crawler software that he created. Despite warnings from security researchers and tech groups, it took Indian authorities until March 23, 2018, to take the vulnerable access point offline. Hackers sold access to the data for as little as $7 via a WhatsApp group. Unfortunately, Indane’s API had no access controls, thus rendering its data vulnerable. The actors infiltrated the Aadhaar database through the website of Indane, a state-owned utility company connected to the government database through an application programming interface that allowed applications to retrieve data stored by other applications or software. Our investment in Yahoo is allowing that team to continue to take significant steps to enhance their security, as well as benefit from Verizon’s experience and resources.” After investigation, it was discovered that, while the attackers accessed account information such as security questions and answers, plaintext passwords, payment card and bank data were not stolen. Verizon’s CISO Chandra McMahon said at the time: “Verizon is committed to the highest standards of accountability and transparency, and we proactively work to ensure the safety and security of our users and networks in an evolving landscape of online threats. Yahoo stated that the revised estimate did not represent a new “security issue” and that it was sending emails to all the “additional affected user accounts.”ĭespite the attack, the deal with Verizon was completed, albeit at a reduced price.
Less than a year later, Yahoo announced that the actual figure of user accounts exposed was 3 billion. At the time, it was in the process of being acquired by Verizon and estimated that account information of more than a billion of its customers had been accessed by a hacking group. The company first publicly announced the incident – which it said took place in 2013 – in December 2016. Securing the number one spot – almost seven years after the initial breach and four since the true number of records exposed was revealed – is the attack on Yahoo. So, here it is – an up-to-date list of the 15 biggest data breaches in recent history, including details of those affected, who was responsible, and how the companies responded (as of July 2021).
The latter have purposefully not been included in the list. We have also made a distinction between incidents where data was actively stolen or reposted maliciously and those where an organization has inadvertently left data unprotected and exposed, but there has been no significant evidence of misuse. How large cyberattacks of the future might become remains speculation, but as this list of the biggest data breaches of the 21 st Century indicates, they have already reached enormous magnitudes.įor transparency, this list has been calculated by the number of users impacted, records exposed, or accounts affected. Digital transformation has increased the supply of data moving, and data breaches have scaled up with it as attackers exploit the data-dependencies of daily life. In today’s data-driven world, data breaches can affect hundreds of millions or even billions of people at a time.
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