Many records also included names, phone numbers, IP addresses, dates of birth and genders. 6. Facebook data breach 2019 Date: April 2019 Impact: 540 million users In April 2019, the UpGuard Cyber Risk team revealed two third-party Facebook app datasets had been exposed to the public Internet.

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Login Free score Free trial Home Products UpGuard BreachSight Attack surface management UpGuard Vendor Risk Third-party risk management UpGuard CyberResearch Managed security services Pricing Resources Blog The latest issues in cybersecurity Breaches Data breach research and global news eBooks, Reports, more Insights on cybersecurity and vendor risk News In-depth reporting on data breaches and news Customers Community Events Summit, webinars exclusive events Newsletter News, breaches, events and updates Blog Cybersecurity The 52 Biggest Data Breaches Updated for 2021 Cybersecurity The 52 Biggest Data Breaches Updated for 2021 Abi Tyas Tunggal updated Apr 12, 2021 Table of contents Data is rapidly becoming one of the most valuable assets in the modern world.

Rapid human innovation will only magnify this modern currency, and without data leak detection solutions business will continue to fall victim to cyber attacks.

In this list, updated for 2021, we list some of the most devastating data breach incidents ranked by their level of impact.

As youll see, even prestigious companies like Facebook, Linkedin and Twitter are vulnerable to the rising trend of data breaches.

Biggest Data Breaches by People Impacted Each of these data breaches had an impact on millions of people, and provide different examples of how a company can be compromised or leave an extraordinary number of records exposed.

CAM4 data breach Date: March 2020 Impact: 10.88 billion records.

Adult video streaming website CAM4 has had its Elasticsearch server breached exposing over 10 billion records.

If hackers were to launch successful phishing attacks on these users, they could gain deeper access to personal photos and business information.

Due to the licentious connection of the breached database, compromised users could fall victim to blackmail and defamation attempts for many years to come.

Yahoo data breach 2017 Date: October 2017 Impact: 3 billion accounts Yahoo disclosed that a breach in August 2013 by a group of hackers had compromised 1 billion accounts.

In this instance, security questions and answers were also compromised, increasing the risk of identity theft.

The breach was first reported by Yahoo while in negotiations to sell itself to Verizon, on December 14, 2016, and forced all affected users to change passwords, and to reenter any unencrypted security questions and answers to make them encrypted in the future.

However, by October of 2017, Yahoo changed the estimate to 3 billion user accounts.

An investigation revealed that users passwords in clear text, payment card data and bank information were not stolen.

Nonetheless, this remains one of the largest data breaches of this type in history.

Aadhaar data breach Date: March 2018 Impact: 1.1 billion people In March of 2018, it became public that the personal information of more than a billion Indian citizens stored in the worlds largest biometric database could be bought online.

This massive data breach was the result of a data leak on a system run by a state-owned utility company.

The breach allowed access to private information of Aadhaar holders, exposing their names, their unique 12-digit identity numbers, and their bank details.

The type of information exposed included the photographs, thumbprints, retina scans and other identifying details of nearly every Indian citizen.

First American Financial Corp.

Many records also included names, phone numbers, IP addresses, dates of birth and genders.

Facebook data breach 2019 Date: April 2019 Impact: 540 million users In April 2019, the UpGuard Cyber Risk team revealed two third-party Facebook app datasets had been exposed to the public Internet.