Enterprise security

Unmatched integrated security to protect your most critical information workloads and assets

IBM z Systems offers a rich set of built-in enterprise security capabilities to help you simplify and improve a complex set of operational security processes. IBM z Systems are designed for the highest level of security for commercial platforms.

Why IBM mainframe for enterprise security?

IBM z Systems security solutions

Collects system cryptographic information, analyzes it and delivers a formatted and comprehensive report to the end user.

Simplifies the management of PCI compliance posture -- with the ultimate security of sensitive keys.


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z13 system design: The most powerful, flexible & secure platform

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Citi enables individuals, communities, institutions and nations

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Visa, one of the largest electronic payments networks, enables commerce

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IBM Smarter Computing Executive Summit - Vantiv

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IBM Security zSecure Products at Allied Irish Bank

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Enterprise Systems Perspective – Security Ready

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IBM on Cloud Security Trends

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zSecure for Superior Mainframe Security

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Browse z Systems


Infrastructure matters. Businesses turn to the IBM mainframe for unmatched security, operational efficiency, speed, seamless scale, and lower cost per transaction. The IBM z System, the world’s premier data and transaction engine, is enabled for mobile, integrates transactions and analytics, and delivers efficient and trusted clouds.

Operating Systems

IBM z Systems supports multiple operation systems:


IBM z Systems combine leading-edge innovation and unparalleled capabilities to power cloud, business analytics, mobile applications, and the most important workloads.

Keep your mobile data safe

Related links

Consolidating security across platforms with IBM System z (PDF, 1.53MB)
Organizations that rely on mainframes to run critical applications should consider using the mainframe as an enterprise security hub.

Considerations for making Systemz your ESB deployment platform (PDF, 950KB)
By Nick Burling, Andrea Greggo, Carl Wohlers and Elena Wood, IBMSoftware Group; and Paul DiMarzio and Bill Jones.

How secure is your enterprise System?
Check out the numbers and what they mean for your business.

IBM zEnterprise System – Network Security (PDF, 707KB)
This paper describes why, for many customers, traditional network firewalls will not be required for their network traffic associated with multi-tier application workloads within a zEnterprise Ensemble.

IBM zEnterprise Unified Resource Manager
Get actionable insight with security intelligence for mainframe environments

IDC white paper (PDF, 707KB)
Learn how you can centralize more servers, workloads, applications and data on IBM System z

Linux consolidation
Consolidating your workloads on IBM System z can help lower your IT costs

What's best for your business?
Compare virtualization alternatives: Get the most out of your IT investment with z/VM