Protect and secure your data from cyber attacks
Data Protection
Data Security
Data Insights
The 5 Steps to Cyber Resilience
Cloud & SaaS
Enterprise
Industries
A ransomware resilience overview for credit union security and infrastructure
Three forces are converging across the credit union sector—each one alone demands a reassessment of your data protection strategy. Together, they represent an existential risk that legacy backup infrastructure was never designed to address.
Challenge
Exposure Level
Ransomware Targeting Accelerating
Credit unions are high-value, soft targets with lean security teams, concentrated member data, and loan portfolios. In the first year of reporting, NCUA data shows 892 ransomware incidents were reported with 73%related to the use or involvement of a third party service credit unions depend upon.¹
CRITICAL
NCUA Regulatory Floor Rising
The 72-Hour Cyber Incident Notification Rule (effective Sept. 2023) requires forensic documentation most legacy platforms cannot easily produce. NCUA ACET examinations now explicitly score backup immutability and RTO. Credit unions above $1B in assets face annual examinations where a backup finding is a Board Risk Committee event, not an IT issue.
Operational Complexity Outpacing Infrastructure
Core banking migrations, M&A activity, digital platform launches, and commercial services (treasury management, commercial lending) each introduce distinct data protection requirements. Legacy tools cover one environment at a time. Modern credit union data risk is distributed across on-premises, cloud, and SaaS simultaneously.
HIGH
Peer precedent: Patelco Credit Union ( June 2024) — $68M+ in recovery costs. 500,000 members without access to funds for two weeks. NCUA investigation followed. The question is no longer whether an attack will be attempted—it is whether your institution can recover without paying a ransom.2
The cost of staying on legacy infrastructure
Ransomware: $68M+ exposure
The Patelco case shows legacy backup cannot recover without paying. Member services halt. Core banking goes offline. Costs could be high.
CUA MRA: Multiple months of oversight
Backup findings require formal corrective action programs. NCUA issued over 300 cybersecurity enforcement actions in 2023-2024.²
72-Hour Notification Failure
Missing the NCUA’s reporting window is a separate examination finding compounding the original incident.
SOC 1 & Migration Risk
Core migration data gaps and commercial services audit findings create regulatory, legal, and reputational exposure.
Cohesity is the only data security and management platform purpose-built to address the full spectrum of credit union data risk—ransomware recovery, regulatory examination readiness, and operational transformation. These are not configuration options layered onto a legacy architecture. They are native capabilities of the platform.
Cohesity Capability
What IT delivers for credit unions
DataLock WORM Immutability
Every backup snapshot is immutable from creation—by default, not by configuration. Ransomware cannot delete, overwrite, or encrypt Cohesity snapshots. A clean recovery copy always exists.
AI-Powered Threat Protection
Detects anomalous data access patterns before encryption completes. Timestamps the detection event for NCUA 72-hour notification. Produces forensic audit trail automatically—no manual log reconstruction.
Cyber Vaulting / Air Gap
Strict 3-2-1 architecture with isolated cyber vault—on-premises or cloud. The clean copy remains out of reach of threat actors even when production backup infrastructure is compromised.
NCUA / FFIEC-ready Reports
Examination-ready reports provide evidence on demand. Cohesity-enabled institutions are better able to achieve ‘Evolving’ or ‘Advanced’ FFIEC CAT maturity—eliminating MRA findings in the backup domain.
Zero-RPO Migration Protection
Continuous data protection covers both legacy core banking and new platform simultaneously. No member data falls through the coverage gap during cutover events.
Single Platform, Unified Policy
One platform covers on-premises, hybrid cloud, SaaS (including Microsoft 365), and cloud-native workloads. Policy automation scales to lean IT team staffing—no enterprise-scale operations staff required.
Measured impact at credit union scale
Value driver
How value us realized
Impact
Ransomware recovery cost avoided
Immutable backup eliminates the pay-or-lose-data scenario. Avg. financial institution ransomware recovery: $6.08M –22% higher than global average.³
NCUA MRA elimination
Automated controls documentation replaces manual workpaper prep. Removes 12–18 months of corrective action program overhead.
Cyber insurance premium stabilization
Immutable backup attestation required by insurers. Without it: 40-100% annual premium escalation.4 Cohesity attestation stabilizes costs.
SOC 1 audit preparation avoided
Credit Unions pursuing SOC 1 for treasury management: $20-$150K.⁴ Cohesity automated documentation eliminates this cost.
MEDIUM
IT consolidation
Replaces NAS-centric backup + cloud backup with a single platform. Reduces licensing, management overhead, and failure points.
In 2026, that trust is operationalized through the ability to protect member data against every threat, recover it completely when attacked, and demonstrate that capability to regulators who are explicitly measuring it. Legacy backup infrastructure is not equal to that obligation.
1 https://ncua.gov/files/annual-reports/annual-report-2024.pdf 2 https://therecord.media/patelco-california-credit-union-data-breach 3 https://www.oversight.gov/sites/default/files/documents/reports/2024-06/OIG-24-06-Audit-NCUAs-BSA-Enforcement-Program508compliant.pdf 4 https://ncua.gov/news/publication-search/cybersecurity/cybersecurity-and-credit-union-system-resilience-annual-report-congress-2 3000198-001