Transaction Infrastructure on Legacy Foundations
Banks, insurers, and fintechs running critical financial operations on aging technology. COBOL processes 95 billion transactions daily. Java 8 runs 35% of enterprise banking apps.
What keeps Financial Services CISOs awake
Core banking systems on COBOL with developer average age 55+
Oracle database license costs escalating 15-20% annually
Payment processing integrations on deprecated APIs
Regulatory reporting systems built on frameworks that predate current compliance requirements
Customer-facing apps on legacy web frameworks while fintechs deploy on modern stacks
Typical vs Recommended
Compliance Exposure
Payment card security. Requirement 6: develop secure systems. Legacy frameworks increase compliance scope dramatically.
Financial reporting controls. Custom legacy apps processing financial data require extensive audit evidence.
Digital operational resilience. ICT risk management requirements targeting legacy infrastructure directly.
Operational risk capital. Technology failures in capital adequacy calculations.
The Vendor Lock: When Your Infrastructure Belongs to Someone Else
May 2026 · 7 min
AI Can't Talk to Your Legacy Systems. That's About to Be a Problem.
May 2026 · 7 min
The Custom App Nobody Understands: A $2.4 Million Annual Risk
May 2026 · 6 min
COBOL, Java 8, Python 2: The Three Horsemen of Legacy
May 2026 · 7 min
The Legacy Iceberg: What's Below the Waterline
May 2026 · 8 min