Citizens Financial Group Data Posted by Everest Ransomware Group
The Everest ransomware group posted data from Citizens Financial Group on its dark web leak site on April 20, 2026. This incident is believed to stem from a single-vendor compromise that also affected Frost Bank, impacting two major U.S. banks simultaneously.
Signal context
First seen: Apr 20, 2026
Last updated: Jun 26, 2026
Status: Public signal
Key points
- Everest ransomware group claimed responsibility.
- Data posted on dark web leak site on April 20, 2026.
- Believed to be a single-vendor compromise affecting both Citizens Financial Group and Frost Bank.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: supplier or third-party involvement
Impact area: Availability
- 24 signals in the same sector
- 27 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Related signals
Grouped by why the signal is relevant.
Alamo Heights ISD Reports Data Breach Following Ransomware Attack
Alamo Heights Independent School District (ISD) reported a data breach impacting over 26,000 people, disclosed to the Texas Attorney General's office on June 25, 2026 (published June 26, 2026 UTC). The breach was linked to a ransomware attack by the Qilin group, which occurred on April 9, 2026. The compromised information included names, Social Security numbers, driver's license numbers, and bank and medical information.
ATLAS ELEKTRONIK GmbH Hit by TheGentlemen Ransomware Attack
On June 25, 2026, the ransomware group 'TheGentlemen' claimed responsibility for a cyberattack on ATLAS ELEKTRONIK GmbH, a German defense technology company specializing in maritime electronics and naval systems. The group issued an ultimatum, threatening to leak sensitive company data unless negotiations commence. The attack was reported on June 25, 2026, and is being monitored by cybersecurity intelligence platforms.
Vienna Airport Targeted in APT73/Bashe Ransomware Attack
The ransomware group APT73/Bashe claimed responsibility for a cyberattack against Vienna Airport (Flughafen Wien AG) on June 23, 2026, threatening to leak sensitive data. The airport acknowledged a limited leakage of old cargo-related files from one email inbox but denied a broader system compromise.
AYA BANK Hit by Lapsus$ Ransomware Attack
AYA BANK, a prominent financial institution in Myanmar, fell victim to a ransomware attack by the Lapsus$ group, discovered on June 23, 2026. Lapsus$ claimed to have stolen over 120 gigabytes of data, including a full dump and PII, and threatened to sell it if a ransom was not paid. AYA Bank acknowledged a breach of an older application portal exposing some customer information but stated its core financial networks remained secure.
EHG Bayern Hit by SafePay Ransomware Attack, Data Leak Threatened
On June 22, 2026, the SafePay ransomware group publicly claimed responsibility for a cyberattack against EHG Bayern (ehg.bayern), a German infrastructure provider. The group has threatened to release sensitive data unless their demands are met. EHG Bayern, founded in 1991, specializes in infrastructure operations. The incident poses a significant risk to the critical infrastructure sector.
Kee Wah Bakery Hit by Ransomware Attack, Data Leak Fears Emerge
Hong Kong's famous Kee Wah Bakery revealed on June 22, 2026, that it was hit by a ransomware attack on its internal network. The incident, which caused network malfunctions last Friday (June 19), targeted systems containing employees' personal data, as well as information related to business partners, online store customers, and mobile app members. While the company could not confirm if data was extracted, it has engaged cybersecurity experts, notified the Office of the Privacy Commissioner for Personal Data and police on Sunday (June 21), and is contacting affected parties as a precautionary measure. No customer payment or credit card information was involved.