1. All Santander staff and millions of customers have data hacked  BBC.com
2. 30,000,000 Customers’ Data Allegedly Exposed and on Sale After Trillion-Dollar Bank Suffers Massive Data Breach: Report  The Daily Hodl
3. Hackers offer to sell stolen Santander customer and staff details  Financial Times
4. ShinyHunters claims Santander breach, selling data for 30M customers  BleepingComputer
5. Santander customers’ private data put up for sale for $2m by hackers  The Guardian

Source: Google Finance – Market News