The great data heist: Major data breaches in the 21st century
1/5
The great data heist
Data is said to be the new oil. It's hardly surprising that criminals are increasingly targeting this new-age, valuable commodity through cyber attacks, the latest being the data breaches at the Marriot Hotels and Quora. It takes around 196 days on an average for the data breach to be detected by the organisation with $3.9 million average cost of global data breaches in 2018.
Here's a look at the biggest attacks, the cost and the reasons behind them.
Here's a look at the biggest attacks, the cost and the reasons behind them.
2/5
Quora
Impact: 100 million users
When: December 2018
The website Quora reported that hackers stole the data of around 100 million users, which could include name, email address and an encrypted version of their password.
When: December 2018
The website Quora reported that hackers stole the data of around 100 million users, which could include name, email address and an encrypted version of their password.
3/5
Facebook
Impact: 30 million users
When: Detected in Sep 2018
In September, hackers used a flaw in Facebook’s “view as” feature to gain unauthorised access to millions of accounts. Access tokens for 30 million accounts were stolen by hackers, who accessed contact information (name and email id/ phone number) for 14 million accounts, and additional information including gender, religion, location, device information and the 15 most recent searches for another 15 million accounts.
When: Detected in Sep 2018
In September, hackers used a flaw in Facebook’s “view as” feature to gain unauthorised access to millions of accounts. Access tokens for 30 million accounts were stolen by hackers, who accessed contact information (name and email id/ phone number) for 14 million accounts, and additional information including gender, religion, location, device information and the 15 most recent searches for another 15 million accounts.
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4/5
Yahoo
Impact: 3 billion users
When: Detected in Sep 2016
In September 2016, Yahoo said it had been the victim of the biggest data breach yet, likely by “a state-sponsored actor” in 2014. The attack compromised the names, email addresses, dates of birth and telephone numbers of 500 million users. In December 2016, it said a breach in 2013 had compromised 1 billion accounts. In 2017, Yahoo revised that estimate to all 3 billion of its user accounts
When: Detected in Sep 2016
In September 2016, Yahoo said it had been the victim of the biggest data breach yet, likely by “a state-sponsored actor” in 2014. The attack compromised the names, email addresses, dates of birth and telephone numbers of 500 million users. In December 2016, it said a breach in 2013 had compromised 1 billion accounts. In 2017, Yahoo revised that estimate to all 3 billion of its user accounts
5/5
Target Stores
Impact: 110 million customers
When: Detected in Dec 2013
Hackers gained access to Target’s point-of-sale card readers, and collected about 40 million credit and debit card numbers. This was revised to information of 70 million customers, and then 110 million. Its CIO resigned in March 2014. The cost of the breach was estimated at $162 million.
When: Detected in Dec 2013
Hackers gained access to Target’s point-of-sale card readers, and collected about 40 million credit and debit card numbers. This was revised to information of 70 million customers, and then 110 million. Its CIO resigned in March 2014. The cost of the breach was estimated at $162 million.