Tag / 49 entries / page 2 of 5 / feed available
49 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
A vulnerability in a third-party application used by Samsung led to a data breach affecting UK customers who made purchases via the Samsung UK online store. The breach exposed personal information including names, phone numbers, postal addresses, and emails. The unauthorized access was the result of exploiting the vulnerability, with the specifics around the threat actors and exact details remaining undisclosed.
Prevented by: HSF, PEC · Contained by: EGR
In September 2023, MGM Resorts International experienced a major cyberattack orchestrated by the Scattered Spider group, leading to significant operational disruptions and an estimated $80 million in financial losses. The attackers exploited social engineering methods, particularly vishing, to breach MGM’s systems and compromise personal data including names, driver’s license numbers, and Social Security numbers. This attack underscores vulnerabilities in service desk operations and highlights the use of sophisticated ransomware tactics.
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.
Prevented by: PEC, EGR · Contained by: HSF
In January 2023, Yum! Brands, owner of KFC, Taco Bell, and Pizza Hut, experienced a data breach following a ransomware attack. The breach exposed sensitive employee information, including names and Social Security Numbers. While corporate data was compromised, no customer data was initially reported as affected. Unknown cybercriminals were responsible for the attack, which led to temporary closures of restaurants in the UK.
Prevented by: HSF
In March 2023, a data breach occurred at Discord due to security vulnerabilities at a third-party service provider, compromising sensitive personal information of approximately 180 users including names and driver’s license numbers. The breach was facilitated through unauthorized access, likely achieved via compromised credentials due to phishing or social engineering. No specific threat actors were identified in the report.
Contained by: SCA
In March 2023, a data breach on OpenAI’s ChatGPT platform exposed sensitive user data, including names, email addresses, payment information, and partial credit card details due to a bug in the Redis-py library. Approximately 1.2% of ChatGPT Plus users were affected. The breach was caused internally, stemming from an open-source library vulnerability, highlighting the risks associated with external dependencies.
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.
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.
