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The first data breach occurred on Yahoo servers in August 2013 [1] and affected all three billion user accounts. [2] [3] Yahoo announced the breach on December 14, 2016. [4] Marissa Mayer, who was CEO of Yahoo at the time of the breach, testified before Congress in 2017 that Yahoo had been unable to determine who perpetrated the 2013 breach. [5]
The Yahoo Voices breach occurred on July 12, 2012, when a hacking group calling themselves "D33DS Company" used a union-based SQL injection attack to gain unauthorized access to Yahoo's servers. [5] The attackers were able to extract and publish unencrypted account details, including emails and passwords, for approximately 450,000 user accounts ...
This is a list of reports about data breaches, using data compiled from various sources, including press reports, government news releases, and mainstream news articles.. The list includes those involving the theft or compromise of 30,000 or more records, although many smaller breaches occur continual
LivingSocial – in 2013, the company suffered a security breach that has exposed names, e-mail addresses and password data for up to 50 million of its users. [ 25 ] World Health Organization – in March 2020, hackers leaked information on login credentials from the staff members at WHO. [ 26 ]
February 8: Foxconn is hacked by a hacker group, "Swagg Security", releasing a massive amount of data including email and server logins, and even more alarming—bank account credentials of large companies like Apple and Microsoft. Swagg Security stages the attack just as a Foxconn protest ignites against terrible working conditions in southern ...
2012 Yahoo Voices hack; 2014 Russian hacker password theft; 2015 TalkTalk data breach; 2016 Indian bank data breach; 2018 Google data breach; 2018 SingHealth data breach; 2021 Microsoft Exchange Server data breach; 2022 Optus data breach; 2023 Bangladesh Government website data breach; 2023 MOVEit data breach; 2024 cyberattack on Kadokawa and ...
December 14, 2016: A separate data breach, occurring earlier around August 2013 is reported. This breach affected over 1 billion user accounts and is again considered the largest discovered in the history of the Internet. [152] The data taken is similar to the data breached earlier except that it had very weak password encryption.
The data did not incorporate visit statistics for the Yahoo!-owned Tumblr website or mobile phone usage. [23] On September 22, 2016, Yahoo disclosed a data breach in which hackers stole information associated with at least 500 million user accounts in late 2014. [24] According to the BBC, this was the largest technical breach reported to date. [25]