Ransomware disrupts financial services at Patelco Credit Union
US-based Patelco Credit Union was hit by a ransomware attack on June 29, 2024, and shut down some of its banking systems. Online and mobile banking services and some transactions were disrupted, and an investigation was also launched into a data breach affecting about 500,000 members. On July 8, the credit union said its network had been stabilized.
Key facts
- Affected organization
- Patelco Credit Union
- Incident type
- Ransomware
- Occurred / detected
- 2024-06-29
- Scale of damage
- Disruption of financial services for about 500,000 members and an investigation into a related data breach
- Cause / method
- Ransomware attack
- Location
- United States
Timeline
- A ransomware attack shut down some banking systems and disrupted online and mobile banking services.
- Some transactions became unavailable, and it was predicted that the service disruption could last for weeks.
- News emerged of an investigation into the ransomware attack and a data breach affecting about 500,000 members.
- Patelco Credit Union reported that its network had been stabilized and provided an update on recovery progress.
- Controversy continued in the aftermath of the ransomware attack.
12 related reports
- Patelco Credit Union hit in ransomware attack
- Patelco shuts down banking systems following ransomware attack
- Patelco Credit Union: Bay Area-based bank hit by ransomware attack, unable to conduct some transactions, spokesperson says
- Impact of Patelco Credit Union ransomware attack could last for weeks
- Patelco Credit Union ransomware attack halts banking services for nearly half a million members
- California credit union hit with ransomware attack
- Cybersecurity Expert Shares Tips for Dublin-Based Patelco Credit Union Customers After Ransomware Attack
- Bay Area Credit Union Struggles to Recover After Ransomware Attack
- Patelco Credit Union Under Investigation for Ransomware Attack and Data Breach Affecting 500,000 Members
- Patelco stabilizes network, ‘marching' toward recovery from cyberattack
- Patelco Credit Union says network ‘stabilized’ after crippling cyberattack
- Patelco Credit Union Faces More Blowback from Ransomware Attack
Other incidents at Patelco Credit Union
Patelco Credit Union ransomware attack compromises member data
Impact: Compromise of member personal information and losses of millions of dollars
Patelco Credit Union was hit by a ransomware attack that led to unauthorized access to members' personal information. In June 2025, the CEO said the cyberattack had caused losses of millions of dollars.
Related reports: 2 · last report →Patelco Credit Union ransomware attack exposes data of over 1 million
1MImpact: Personal data of more than 1 million people, including customers and employees
A ransomware attack on Patelco Credit Union in California in June 2024 exposed the personal data of customers and employees. The attackers put the stolen data up for auction, and the number of people affected grew from an initial estimate of about 726,000 to more than 1 million. A $7.25 million settlement was later reached in a data breach class action.
Related reports: 13 · last report →
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.