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The Capital One hack - The bank holding company was hacked in 2019, with a reported 106 million people having their personal details accessed.

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The Capital One hack - The arrested hacker, Paige Thompson, was taken in on July 29, 2019, after she reportedly bragged about the hacking.

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The Capital One hack - Capital One claimed that names, addresses, and phone numbers had all been accessed by the hacker. However, credit card account numbers remained safe, they said at the time.

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Adobe - In October 2013, the famed computer software company was hacked. Adobe stated that 38 million users' login data and credit/debit card information had been stolen.

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Adobe - But that figure may be modest: one security expert suggested that more than 150 million individuals had their usernames and passwords stolen! In 2015, an agreement called for Adobe to pay US$1.1 million in legal fees and US$1 million to users.

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Home Depot - In September 2014, an alleged custom-built malware, posing as anti-virus software, entered the company's system and stole the credit/debit card information of 56 million customers.

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Home Depot - In March 2016, the company agreed to pay at least US$19.5 million to compensate their customers, as well as an estimated US$161 million of pre-tax expenses for the breach.

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VeriSign - As an internet company that operates a diverse array of network infrastructure, including back-end systems for the .gov and .edu top-level domains—and one that's supposed to be an expert on cyber security and attack mitigation—the 2010 hack looked bad.

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VeriSign - Though no numbers were released on the hackers access to privileged systems, security experts agree that the worst part of it all was how the company failed to disclose the breach to the public.

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RSA Security - When the quintessential security vendor was breached in March 2011, allowing 40 million employee records to be stolen, the security product industry suffered a huge blow.

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RSA Security - The company says two hacker groups worked with a foreign government to launch phishing attacks against RSA employees, posing as people the employees trusted, to infiltrate the company's network.

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Anthem - In February 2015, the second-largest health insurer in the US was robbed of the personal information of up to 78.8 million current and former customers.

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Anthem - In the largest breach in healthcare history, hackers took names, addresses, Social Security numbers, dates of birth, and employment histories—everything necessary to steal someone's identity. The cost of the breach was estimated to exceed US$100 million.

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Sony's PlayStation Network - In April 2011, the huge multinational company was hacked and an estimated 77 million accounts were compromised, costing Sony a loss of US$171 million.

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Sony's PlayStation Network - Hackers gained access to names, passwords, e-mails, addresses, purchase history, and credit cards in what is dubbed the worst gaming community data breach of all time.

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US Office of Personnel Management - From 2012-14, hackers stole the personal information of 22 million current and former federal employees, putting even the director of the FBI in danger.

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US Office of Personnel Management - Many claim the breach jeopardized national security for more than a generation, particularly as the hackers also stole security clearance information and fingerprint data.

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JP Morgan Chase - In July 2014, the largest bank in the nation was hacked, compromising the data of more than half of all US households and 7 million small businesses.

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JP Morgan Chase - The hackers were reportedly able to transfer funds and close accounts, though no major incidents were reported. Four men were charged in 2015 on 23 counts, including unauthorized access of computers, identity theft, wire fraud, and money laundering, which netted them an estimated US$100 million.

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Uber - In late 2016, the personal information of 57 million Uber users and 600,000 drivers was exposed. What was even worse was how the company dealt with it.

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Uber - First they paid the hackers US$100,000 to destroy the data with no way to verify that they did, then when that obviously didn't help them, they announced the breach way after the fact, resulting in a US$20 billion drop in Uber's value.

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TJX Companies, Inc. - In December 2006, the department store corporation behind stores like T.J.Maxx, Marshalls, Winners, and HomeSense, was hacked, compromising 94 million credit cards. 

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TJX Companies, Inc. - Conflicting accounts say the breach either happened during a wireless transfer between two Marshall's stores or through in-store kiosks.

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Target - In December 2013, the popular department store was hacked, resulting in the compromise of up to 100 million customers' information.

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Target - Hackers got credit/debit card information, personal and contact information, and the cost of the entire breach is reported to have been US$162 million.

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Heartland Payment Systems - In March 2008, 134 million credit cards were exposed, at a time when Heartland was processing 100 million transactions per month for 175,000 merchants. To compensate for the fraudulent payments, they had to fork out US$145 million.

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Heartland Payment Systems - Albert Gonzalez, hacking legend, was convicted in 2010 of leading the gang of thieves in both this case and the TJX Companies, Inc. breach! He was reportedly working as a paid informant for the US Secret Service, at a US$75,000 salary, at the time of the crimes. 

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Equifax - One of the largest credit bureaus in the US was hacked in July 2017, compromising the information of 143 million consumers. 

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Equifax - The hackers took Social Security Numbers, birth dates, addresses, and sometimes drivers' license numbers. 209,000 consumers also had their credit card data exposed.

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eBay - The online auction giant was victim to a cyber-attack in May 2014, compromising the names, addresses, dates of birth, and passwords of all its 145 million users.

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eBay - The company said hackers entered the eBay network using credentials of three employees, and had undetected access for 229 days.

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Adult Friend Finder - The FriendFinder Network, which included casual meetup and adult content websites like Adult Friend Finder, Penthouse.com, Cams.com, and Stripshow.com, was breached in October 2016.

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Adult Friend Finder -

More than 412.2 million accounts were hacked, exposing more than 20 years of data on six databases that included names, e-mail addresses, and passwords.

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Yahoo! - The largest breaches in the history of the internet cracked into the internet giant's network twice, compromising all of Yahoo's three billion users.

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Yahoo! -

The company was criticized for their late disclosure of the breaches, and their sale price was lowered by US$350 million, in addition to facing several lawsuits.

See also: The biggest cyber attacks in history

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