Modernize enterprise applications securely with unmatched scalability and flexibility.
IBM CICS® Transaction Server for z/OS® is a powerful and secure application server designed to run mission-critical workloads on IBM Z. It supports both modern and existing applications with broad language and framework compatibility, advanced API enablement, event streaming, and robust security. With integration to tools like Maven, Gradle, and Ansible, CICS helps organizations modernize, innovate faster, and improve operational efficiency.
IBM CICS has revolutionized our ability to modernize core systems while maintaining stringent compliance requirements.
Recognized as a leader in transaction processing by industry analysts, including Gartner and Forrester.
Trusted by top global financial institutions, healthcare providers, and government agencies to modernize their transaction systems.
IBM CICS Transaction Server is a high-performance transaction processing platform for z/OS environments. It supports mission-critical applications by enabling fast, secure, and reliable processing of high-volume transactions across industries.
CICS uses a multithreaded, memory-efficient runtime that can process thousands of transactions per second. It also supports dynamic workload balancing and vertical scaling on IBM Z systems to handle peak loads without performance loss.
Yes, CICS supports modern programming models such as RESTful APIs, Java, Node.js, and containers. Legacy COBOL and PL/I applications can be exposed as microservices without rewriting the core logic, enabling gradual modernization.
While CICS runs on-premise on z/OS, it integrates with cloud-native solutions via APIs and supports containerized applications using z/OS Container Extensions (zCX), enabling hybrid cloud strategies.
CICS includes native REST API support through the CICS Transaction Gateway and z/OS Connect. This allows CICS services to be easily exposed to mobile apps, web apps, and third-party platforms.
CICS is widely used in financial services, insurance, and government sectors for workloads like ATM processing, payment gateways, account management, and claims processing—where speed, uptime, and data integrity are critical.
CICS provides robust security using RACF (Resource Access Control Facility), TLS/SSL for encrypted communication, and fine-grained resource-level access controls, ensuring enterprise-grade protection.
Nexright provides end-to-end services, including CICS environment setup, API enablement, performance tuning, modernization roadmaps, and integration with modern DevOps workflows on IBM Z systems.
Explore how IBM CICS Transaction Server can transform your enterprise applications.
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