What is a Data Breach and How to Prevent It?

**A data breach is an event that results in confidential, private, protected, or sensitive information being exposed to a person not authorized to access it.**. A data breach typically includes the loss or theft of information such as bank account details, credit card numbers, personal health data, and login credentials for email accounts and social networking sites. An insider attack is a data breach caused by an employee leaking information to a third party. Targeted data breach attacks see a cyber criminal or a group of attackers target specific individuals or organizations to obtain confidential information. Attackers tend to target high-value data such as corporate data or personally identifiable information (PII), which they can sell for financial gain or cause harm to the individual or organization. Individuals who suffer a breach could lose their personal data, such as banking details, health information, or Social Security number. Individuals who suffer a breach could lose their personal data, such as banking details, health information, or Social Security number.

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1. What Is a Data Breach? | IBM

# What is a data breach? ## What is a data breach? A data breach is any security incident in which unauthorized parties access sensitive or confidential information, including personal data (Social Security numbers, bank account numbers, healthcare data) and corporate data (customer records, intellectual property, financial information). According to IBM’s *Cost of a Data Breach 2025* report, the

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2. Data Breach – Internet Crime Complaint Center (IC3

Share sensitive information only on official, secure websites. A data breach is an intrusion into an organization’s system, network, or database, by an outside or internal entity, resulting in unauthorized access to confidential or secured information. #### File a Complaint. File a detailed complaint with www.ic3.gov. The complaint should contain all required data in provided fields. Prior to fili

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3. Data breach – Wikipedia

Even afterwards, annual statistics may be unreliable because breaches are sometimes reported years after they occur,[[6]](#cite_note-FOOTNOTESoloveHartzog202218-6) or not reported at all.[[7]](#cite_note-FOOTNOTESoloveHartzog202229-7) Nevertheless, the statistics show a continued increase in the number and severity of data breaches that continues as of 2022[[update]](https://en.wikipedia.org/w/ind

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