Tag / 38 entries / page 2 of 4 / feed available
38 of the 76 analyses in Data Breaches carry this tag.
HSF · PEC · EGR · SCA — filled where the invariant would have prevented or contained the breach
Prevented by: HSF
In March 2023, Chick-fil-A experienced a significant data breach due to unauthorized login activities via a credential stuffing attack. The incident exposed personal information of approximately 71,473 users, including names, email addresses, membership details, and partial payment information. This breach was facilitated by credential reuse and highlights the vulnerabilities in login security protocols.
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.
Prevented by: HSF
In February 2023, a data breach compromised Google Fi customers’ phone numbers and SIM card serial numbers due to vulnerabilities in T-Mobile’s infrastructure. The breach involved unauthorized data access, posing risks of SIM swap attacks and unauthorized account access. No specific threat actors were attributed to the breach, but it showcased potential organized cybercriminal activities focusing on telecom vulnerabilities.
Prevented by: HSF
In January 2023, Norton LifeLock experienced a data breach impacting over 6,000 customer accounts due to a credential stuffing attack. The attackers used previously compromised passwords from dark web datasets to gain unauthorized access. Exposed data included personal information such as names, phone numbers, and addresses, increasing the risk of identity theft. Although approximately 925,000 accounts were targeted, only a fraction was breached.
Prevented by: HSF
In January 2023, MailChimp experienced a data breach caused by a social engineering attack, allowing unauthorized access to internal customer support tools. The breach affected 133 customer accounts, exposing names, store web addresses, and email addresses, while passwords and financial data remained secure. The attack involved unidentified individuals exploiting employee credentials, revealing vulnerabilities in phishing defenses.
Prevented by: HSF
In December 2022, a data breach occurred at Activision due to an SMS phishing attack targeting an HR employee. The breach resulted in unauthorized access to sensitive employee data, including names, phone numbers, job titles, and email addresses. Approximately 19,444 records were compromised, with no known breach of game source codes or player information. The attack underscores the risks of social engineering and highlights vulnerabilities in employee cybersecurity awareness.
T-Mobile announced that in November 2022, attackers exploited an API vulnerability to obtain personal information of 37 million customers. The accessed data included names, billing addresses, email addresses, phone numbers, and dates of birth. This breach risks identity theft and highlights the necessity for improved API security.
In March 2022, Pegasus Airlines faced a major data breach caused by a cloud misconfiguration of an AWS S3 bucket, resulting in the exposure of approximately 23 million files. The breached data contained Personally Identifiable Information (PII) and sensitive operational details, posing significant risks including identity theft and operational disruptions. No direct external threat actors were confirmed to have exploited this vulnerability.
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.
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.
