In August 2023, mobile language learning app Duolingo was reported to have suffered a large data breach. The United States was the most affected market with almost *********** Duolingo user's e-mail addresses exposed. South Sudan ranked second, with over *** thousand Duolingo users' e-mails leaked, while Spain ranked third with *** thousand e-mail addresses leaked.

A 2023 report on data breaches in the healthcare system in the United States revealed that in most incidents, the leaked data was located in the network server, with almost 70 percent of data breaches indicating this location. The second-most common location of breached data was e-mail, with over 18 percent of the cases, followed by paper or films, with nearly six percent of the cases.

In 2023, the most significant registered case of a data compromise in the United States, based on the number of affected individuals, was the T-Mobile data breach incident in January of that year. As a result of this incident, it is estimated that the e-mail addresses of about 37 million users were leaked. The second major data breach incident involved Comcast-owned Xfinity. This incident exposed over 35 million of the personal data of the internet provider's customers.

The first and last names of internet users were the most commonly leaked data in Poland in 2020. One-fifth of leaks concerned email passwords, and 17 percent - financial data of users.

In August 2022, a survey in India revealed, over ** percent of respondents believed that the state and the local government offices, databases, and staff were responsible for personal data breaches. This was followed by telecom service providers. Among the personal data leaked were details such as mobile numbers, personal identification numbers, and email addresses.

In 2023, around 96.75 million e-mail accounts breached originated from the United States, making it the country with the most significant number of user account exposures in the examined year. Russia ranked second, with over 78 million accounts breached, while the France followed, with approximately 10.5 million breached accounts.

In August 2022, a survey in India revealed, ** percent of respondents believed their mobile number was leaked in the public domain by government bodies, banks, and telecom companies. Email addresses, Aadhar numbers, and PAN card numbers were some other personal details that were reported as comprised by more than ** percent of respondents, respectively.