Everest Leaks AT&T and Dublin Airport Data
Category:Breach / Data Exposure
Everest ransomware group released sensitive records allegedly stolen from AT&T and Dublin Airport, including passenger manifests and operational data. The leak follows previous attacks attributed to the same group targeting critical infrastructure across Europe.
CORTEX Protocol Intelligence Assessment
Business Impact: Multi-sector exposure increases data breach risk for telecom and transportation industries. Technical Context: Data exfiltrated from third-party systems and sold on dark web leak sites.
Strategic Intelligence Guidance
- Notify affected customers and regulators per GDPR guidelines.
- Implement file transfer hardening and encryption validation.
- Review supply-chain dependencies for shared credentials.
- Increase monitoring for exfiltrated data on dark web forums.
Vendors
Threats
Targets
Impact
Data Volume:1.5M records
Financial:$1,000,000
Intelligence Source: Everest leaks AT&T records, demands $1M for Dublin Airport passenger data | Oct 29, 2025