Legacy application and OS modernisation without the risk
Kennen Technologies helps enterprises assess, stabilize, secure, migrate, modernize, test, and maintain business-critical applications across legacy, current, cloud, virtualized, mobile, embedded, and industrial operating-system environments.
Legacy Application and Operating-System Modernisation Services
Kennen Technologies helps enterprises assess, stabilize, secure, migrate, modernize, test, and maintain business-critical applications operating across legacy, current, cloud, virtualized, mobile, embedded, and industrial operating-system environments.
| Technology segment | Platforms to cover | Kennen opportunity |
|---|---|---|
| Microsoft ecosystem | Windows desktop, Windows Server, legacy Windows applications, .NET and IIS | Version upgrades, application compatibility, Active Directory, server migration, Azure migration, patching and testing |
| Enterprise Linux | RHEL, Ubuntu, Debian, SUSE, CentOS alternatives, Oracle Linux | Administration, hardening, patching, automation, upgrades, containers and cloud migration |
| UNIX environments | IBM AIX, Oracle Solaris, HP-UX and BSD variants | Application discovery, dependency mapping, UNIX-to-Linux migration, integration and controlled retirement |
| IBM enterprise platforms | IBM i/AS400, AIX, z/OS and mainframe applications | COBOL/RPG analysis, API enablement, UI modernization, data migration, automated testing and hybrid-cloud integration |
| Apple platforms | macOS and iOS enterprise environments | Application compatibility, device-management integration, testing and enterprise support |
| Mobile platforms | Android, iOS and legacy mobile applications | Application upgrades, API modernization, device compatibility, security and automated testing |
| Virtualization | VMware, Hyper-V, KVM, Xen and container platforms | VM migration, virtualization assessment, Kubernetes adoption, backup and disaster recovery |
| Cloud operating environments | AWS, Azure, Google Cloud and hybrid cloud | Rehosting, re-platforming, refactoring, landing-zone support, monitoring and FinOps |
| Embedded and real-time systems | Embedded Linux, QNX, FreeRTOS, VxWorks and device-specific OSs | Firmware validation, compatibility testing, IoT integration, security assessment and lifecycle maintenance |
| Industrial and edge systems | OT systems, kiosks, POS, factory devices and edge gateways | Device modernization, protocol integration, remote monitoring, security segmentation and predictive maintenance |
| End-of-life platforms | OS/2, MS-DOS, older Windows, BlackBerry OS, obsolete UNIX versions | Inventory, risk containment, data extraction, application replacement and decommissioning—not indefinite unsupported maintenance |
Services Kennen can sell
Legacy Estate Discovery
Automated inventory of applications, operating systems, servers, databases, interfaces, dependencies, licenses, vulnerabilities and business owners.
Application Modernization Assessment
Classify every workload using: Retain, Remediate, Rehost, Replatform, Refactor, Replace, Retire.
Operating-System Migration
Windows-to-current Windows Server, UNIX-to-Linux, physical-to-virtual, on-premises-to-cloud and legacy mobile/embedded platform migration.
Application Modernization
Convert monolithic systems into API-enabled, modular, containerized or cloud-native applications while protecting critical business logic.
Legacy Code Modernization
COBOL, RPG, Visual Basic, PowerBuilder, older Java/.NET, C/C++, shell scripts and outdated web frameworks.
Quality Engineering and Migration Assurance
Baseline behaviour capture, automated regression testing, API and database reconciliation, cross-OS compatibility testing, performance comparison, security validation, user-acceptance support and production cutover verification.
Security and Identity Modernization
Patch governance, vulnerability management, endpoint protection, privileged-access control, IAM integration, zero-trust readiness and compliance evidence.
Managed OS and Application Support
L1/L2/L3 support, incident management, patching, release management, observability, backup validation, capacity management, SLA reporting and 24×7 support through approved delivery partners.
Controlled Decommissioning
Archive data, preserve audit evidence, terminate integrations, revoke identities, dispose of hardware securely and calculate infrastructure or energy savings.