Employee salary information is usually sensitive data, but there have been many incidents in history where well-known companies have leaked salary data due to internal vulnerabilities, hacking attacks, or employee behavior. The following are some publicly reported cases and details： --- ### 1. **Google (Google)** -**Event time**: 2019 -**Cause of leakage**: Employee misoperation -**Details**: Due to an incorrect configuration of Google's internal salary management tool, the salary information of some employees (including name, position, salary, bonus, etc.) is visible to other employees. The affected employees mainly involve the cloud computing department. Google then fixed the vulnerability and notified the affected employees. ### 2. **Twitter (Twitter)** -**Event time**: 2020 -**Reason for the leak**: Hacking attack -**Details**: Hackers invaded Twitter's internal system through social engineering attacks, obtained the salary and financial information of a number of employees, including executives, and tried to blackmail the company. The incident is related to the famous “Twitter celebrity account Bitcoin fraud” incident. ### 3. **NVIDIA (NVIDIA)** -**Event time**: 2022 -**Reason for the leak**: Ransom attack -**Details**: The hacker organization Lapsus$ invaded Nvidia's internal system, stole sensitive information of more than 70,000 employees, including salary and social security numbers, and threatened to disclose the data. Nvidia finally confirmed that part of the data was leaked. ### 4. **Morgan Stanley (Morgan Stanley)** -**Event time**: 2021 -**Cause of leakage**: Vulnerability of third-party suppliers -**Details**: Due to the unencrypted servers of a third-party payroll management service provider (Guidehouse), the salary, bonus and social security numbers of approximately 30,000 employees of Morgan Stanley were exposed to the Internet for several months. The company provided credit monitoring services in the follow-up. ### 5. **Meta（Facebook）** -**Event time**: 2022 -**Reason for leakage**: Internal forum leakage -**Details**: When Meta employees publicly discussed salary fairness issues in an internal forum, they accidentally shared a spreadsheet containing specific salary data, which led to the widespread dissemination of information internally. The incident triggered a dispute over salary transparency. ### 6. **Uber (Uber)** -**Event time**: 2016 -**Reason for the leak**: Hacking attack -**Details**: Hackers stole the personal information of Uber's 570,000 drivers and some employees around the world, including salary data. Uber concealed the incident and paid hush money to hackers, which was not publicly disclosed until 2017. ### 7. **Sony (Sony Pictures)** -**Event time**: 2014 -**Reason for the leak**: National hacking attack -**Details**: The hacker group "Guardians of Peace” hacked into Sony's system and leaked a large number of executive emails, movie scripts and employee salary data. The incident is related to the political controversy of the movie "Assassination of Kim Jong-un". --- ###**Common reasons for leakage** -**Internal errors**: Such as sending emails by mistake or configuring permissions incorrectly. -**Hacking attacks**: Malware, social engineering, or system vulnerabilities. -**Third-party risks**: Security defects of outsourcing service providers. -**Employees take the initiative to expose **: such as protesting against unfair pay or whistling (whistle blower behavior). ###**Law and Impact** Such incidents may violate privacy regulations such as the General Data Protection Regulation (GDPR), resulting in fines and reputational losses for companies. Companies usually need to provide credit monitoring services and strengthen internal data control. For more specific case details, please refer to media reports or the company's official statement.