- Asynchronous Transfer Mode
- Authentication
- Authorization
- Backup
- Cloud
- Compliance
- Connectivity
- Data Security
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Who is CSI?
CSI (Computer Services, Inc.) is a financial technology and Managed Services Provider (MSP) that delivers core banking systems, digital banking solutions, payments processing, regulatory compliance tools, and IT infrastructure services for banks, credit unions, and other financial institutions.
- Core processing platforms and integrated banking solutions for community and regional financial institutions (core banking)
- Digital banking products, including online and mobile banking channels for consumer and business users (digital banking)
- Payments processing services, including debit, credit, Asynchronous Transfer Mode (ATM), and related electronic payment networks (payments)
- Regulatory compliance, fraud prevention, and risk management software and services for financial institutions (regtech)
- Managed IT, cloud hosting, cybersecurity, and infrastructure support tailored to regulated financial environments (managed services)
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More About CSI
CSI focuses on technology and services for regulated financial institutions, with offerings that cover core account processing, digital channels, payments, compliance, and IT infrastructure. Its platforms are typically deployed by community and regional banks and credit unions that seek an integrated core and digital stack operated under financial-grade security and regulatory requirements. CSI packages software, processing, and managed services to support day-to-day banking operations, customer engagement, and back-office functions.
In core processing (core banking), CSI provides account, transaction, and customer information systems that handle deposits, loans, general ledger, and related operational workflows. These systems are designed to integrate with ancillary modules such as treasury, cash management, and document imaging, and to support common banking protocols for funds transfer and reconciliation. The core platform often operates as the System of Record (SOR) and feeds data to digital banking and payments services.
CSI’s digital banking (digital banking) solutions provide online and mobile interfaces for retail and business customers, supporting functions like balance inquiry, funds transfer, bill payment, remote deposit capture, and secure messaging. These front-end channels integrate with the CSI core environment through standardized APIs and middleware, enabling real-time access to account data and transaction processing. The digital stack commonly leverages web services, secure authentication mechanisms such as multi-factor authentication, and encryption protocols aligned with banking security practices.
Within payments (payments), CSI supports debit and credit card processing, ATM networks, ACH, and other electronic payment rails. Offerings typically include card issuance support, authorization and settlement processing, network connectivity, and fraud monitoring services. The payments infrastructure interfaces with card schemes and payment networks while maintaining compliance with standards such as Payment Card Industry Data Security Standard (PCI DSS), and it ties back to core deposit and loan systems to update balances and post transactions.
CSI also maintains a set of compliance and risk management offerings (regtech) aimed at areas such as Bank Secrecy Act/anti-money laundering, fraud detection, and regulatory reporting. These tools are used by bank compliance and risk teams to monitor transactions, manage alerts and cases, and generate reports required by regulators. Data from the core and payments platforms feeds into these applications to support screening, analytics, and audit trails.
On the infrastructure side (managed services), CSI provides managed IT, cloud hosting, and cybersecurity services tailored to the needs of banks and credit unions. This includes data center hosting for core and ancillary applications, network management, backup and Disaster Recovery (DR), and Security Operations (SecOps) such as monitoring, intrusion detection, and vulnerability management. Architectures typically reflect requirements for high availability, redundancy, and regulatory compliance, with controls that align to FFIEC expectations and other financial oversight frameworks.
In an enterprise directory or marketplace, CSI maps to categories such as core banking systems, digital banking platforms, payments processing services, financial regtech, and managed IT and security for financial institutions. Its offerings are generally used in outsourced or co-managed deployment models, where CSI operates key systems and infrastructure while banks and credit unions focus on customer relationships and product strategy.
Our description of CSI. Updated December 2025.
