Insider Threat

Tesla Massive Data Breach

The Tesla Massive Data Breach, revealed in May 2023, involved the unauthorized disclosure of sensitive data by two former employees who leaked approximately 100 gigabytes of personal records and corporate secrets to a German news outlet. This incident compromised personal information including social security numbers, corporate secrets, and sensitive vehicle safety data. The attack vector identified was an insider threat, highlighting significant vulnerabilities in access control and insider management.

Consumer Financial Protection Bureau Data Breach

The Consumer Financial Protection Bureau experienced a data breach in February 2023 caused by an employee transferring sensitive records to a personal email account, exposing the personally identifiable information of approximately 256,000 individuals. This breach involved data exfiltration from government systems, highlighting severe insider threat risks and deficiencies in internal data protection protocols. The compromised data originated from several financial institutions, posing potential privacy risks, although no misuse has been confirmed.

Yahoo Intellectual Property Theft

In February 2022, a former Yahoo employee allegedly stole approximately 570,000 pages of source code and strategic documents for financial gain at a competitor. This breach involved critical intellectual property and had significant competitive and financial impact on Yahoo.

Cash App Data Breach - April 2022

In December 2021, the Cash App experienced a significant data breach where a former employee accessed and downloaded sensitive financial information of approximately 8.2 million users. The compromised data included brokerage account numbers and details of stock trading activities, underscoring an insider threat and deficiencies in access management controls. This incident did not involve the leak of social security numbers or passwords.

South Georgia Medical Center Data Theft

In November 2021, South Georgia Medical Center experienced a data breach when a former employee, exploiting retained access, downloaded approximately 41,692 patient records onto a USB drive without authorization. The compromised data included protected health information such as patient names, birth dates, and test results. This incident underscores the threat posed by insiders and highlights vulnerabilities in data access management and removable media controls.

Twitter 2020 Data Breach Incident

Prevented by: HSF

In July 2020, a 17-year-old hacker and his accomplices compromised Twitter’s internal systems through social engineering, taking control of approximately 130 high-profile accounts. These accounts were used to perpetrate a Bitcoin scam that led to financial losses of over $117,000. The attack highlighted significant vulnerabilities in Twitter’s protection against social engineering and demonstrated the persistent risk of insider threats.

Alibaba Taobao Data Breach

In November 2019, Alibaba’s Taobao platform was breached by a developer who scraped 1.1 billion pieces of user data, including usernames and mobile numbers. This incident involved unauthorized web scraping by a threat actor using automated tools to collect sensitive personal information.

Capital One Data Breach 2019

Prevented by: EGR

In July 2019, Capital One experienced a major breach compromising over 100 million customer records due to a misconfigured Web Application Firewall exploited by a former Amazon Web Services employee. The attack led to unauthorized access to personal information including names, addresses, Social Security Numbers, and banking details, heightening the risk of identity theft and financial fraud. The incident emphasized vulnerabilities in cloud security configurations and poor application of the least privilege principle.

Australian Immigration Department G20 Data Breach

In a 2015 incident, the Australian Immigration Department inadvertently exposed the sensitive personal details of G20 world leaders due to an email autofill error. The breach involved the accidental email of names, birth dates, passport numbers, and visa details to an unintended recipient, raising potential diplomatic concerns despite low risk due to the recipient’s prompt deletion of the email.