Patching programme for a US public transit authority
A controlled patch policy, deployment plan and validation checklists for mission critical scheduling applications at a major North American transit authority.
Patching mission critical systems safely
A major public transit authority in the United States needed to keep its transit scheduling and operations planning applications secure without disrupting the services that passengers depend on.
The organisation required a formal patching approach with clear policy, controlled deployment and validation at every step.
How we delivered
- 01
Assess
Review of the application landscape, dependencies and existing patch practices.
- 02
Define
A patch management policy aligned to change control and risk.
- 03
Plan
Deployment plans with maintenance windows, rollback and communication.
- 04
Validate
Pre and post deployment checklists to confirm application health.
Key deliverables
Patch management policy
Roles, cadence, risk categories and exception handling.
Deployment plans
Sequenced rollout with rollback steps for each environment.
Validation checklists
Pre and post change checks for each application.
Tool alignment
Procedures aligned to the enterprise patch deployment platform.
Change integration
Patching embedded within existing change control.
Knowledge handover
Documentation for ongoing in house execution.
The result
- A repeatable, auditable patching process for critical applications
- Reduced risk of disruption during security updates
- Clear accountability across operations and application teams
- Documentation that supports continued compliance
Services used in this engagement
Proactive monitoring, patching and management of servers, networks, cloud and backup across your estate.
Keep business applications stable, secure and improving with support, maintenance and enhancement under agreed service levels.
Round the clock service desk, NOC and site reliability operations run to ITIL practices and clear service levels.
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