Week 1, 2025 security incident report
Hacking and data breach incidents newly reported 2024.12.30 ~ 01.05
Between 30 December 2024 and 5 January 2025, three new cyber security incidents were confirmed in South Korea, with the GS Retail incident, in which the personal data of 1.66 million customers was leaked, standing out most in terms of both scale and coverage. The personal data of around 18,000 current students and graduates of the Korea National University of Arts and around 10,000 email addresses of newsletter subscribers of the Korea Information Security Industry Association (KISIA) were also leaked, with data leak damage spanning the retail, education and information security sectors. By incident type overall, personal data breaches were again the most common at 27, followed by 14 hacking/intrusion incidents, 4 ransomware incidents and 2 DDoS attacks. Overseas, 44 new incidents were confirmed, with unauthorised access to internal documents following a breach of the US Treasury's remote support service and the exposure of customer and location data relating to around 800,000 Volkswagen electric vehicles cited as key incidents.
By type
- Data breach26
- Hacking & intrusion14
- Ransomware4
- DDoS2
Key incidents in South Korea
GS Retail leaks personal data of 1.66 million customers
1.7mImpact: Personal data of 1.66 million customers
GS Retail was hit by a credential stuffing attack that leaked customers' personal information. The damage was initially reported at about 90,000 people, but further leaks at GS SHOP emerged, and the confirmed scale was later 1.66 million people. GS Retail apologised and launched a task force with management participation, and the Personal Information Protection Commission imposed a fine of 12.836 billion won.
Related reports: 32 · last report →Korea National University of Arts hack leaks data of around 18,000 people
18kImpact: Personal information of around 18,000 current students and graduates
The Korea National University of Arts was hacked on 29 December 2024, leaking the personal information of around 18,000 current students and graduates. The leaked data included grades, guardian information and bank account details.
Related reports: 4 · last report →KISIA newsletter subscribers' email addresses leaked
10kImpact: Around 10,000 newsletter subscriber email addresses
In January 2025, it emerged that around 10,000 email addresses of newsletter subscribers of the Korea Information Security Industry Association had been leaked. The leak was attributed to human error.
Related reports: 2 · last report →
Key incidents in other countries
US Treasury breached via remote support service, internal documents accessed
Impact: Unauthorised access to workstations and internal documents; Office of Foreign Assets Control and Office of Financial Research affected
The US Department of the Treasury suffered unauthorised access to workstations and internal documents through a breach of a remote support service. The attackers used an API key stolen from the BeyondTrust remote support service, and the Office of Foreign Assets Control and the Office of Financial Research were also confirmed as affected. The US linked the attack to the China-linked Silk Typhoon group and announced actions against the cyber actors involved, whilst China denied involvement.
Related reports: 33 · last report →Data and location records tied to 800,000 Volkswagen EVs exposed
Impact: Customer information and location data related to around 800,000 electric vehicles
Customer information and location data related to around 800,000 electric vehicles were exposed at Cariad, Volkswagen's software subsidiary. Precise location data for vehicles in Europe was exposed for several months, and a cloud misconfiguration and poor security management of AWS credentials were identified as the cause.
Related reports: 13 · last report →STIIIZY breach exposes ID and purchase data of 380,000 customers
380kImpact: ID information, signatures, purchase histories and more of 380,000 customers
At US cannabis products company STIIIZY, customer information from some shops was exposed in November 2024 after an account at its point-of-sale service supplier was compromised. The exposed data included driving licence and passport numbers, ID photos, signatures and purchase histories, and 380,000 people were reported affected. The company notified customers of the breach, and a related class action was later filed.
Related reports: 7 · last report →Ford's official X account compromised to post pro-Palestinian messages
Impact: Unauthorised pro-Palestinian messages posted on official X account
Ford's official X account was compromised and pro-Palestinian messages were posted, including one calling Israel a terrorist state. Ford confirmed the account had been temporarily compromised and investigated the incident. The specific method of intrusion has not been confirmed.
Related reports: 4 · last report →Tampa General Hospital settles class action over data breach
A data breach at Tampa General Hospital led to a class action lawsuit. The hospital agreed to a $6.8 million settlement in the lawsuit. The date of the incident, the scale of the leak and its cause have not been confirmed.
Related reports: 4 · last report →