Advanced security on IBM Z

Industry-leading hardware security for robust data protection and resilient cyberdefense

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Next-generation data security

IBM Z® systems deliver multi-layered advanced security with AI-powered fraud detection and robust data protection. Featuring the AI-enabled IBM Telum® processor, IBM Z systems safeguard data at rest, in transit and in use through integrated encryption, secure cryptographic processors and quantum-safe technology. These capabilities help ensure compliance and strengthen resilience against evolving cyberthreats.
Proactive threat detection

AI-driven security with Telum enables real-time fraud detection and anomaly monitoring, identifying threats instantly to protect transactions and critical workloads.
End-to-end data protection

IBM Z encrypts data at rest, in transit and in use, automatically and pervasively. It is built to meet FIPS 140-2 standards while simplifying compliance and safeguarding privacy.
Trusted and resilient operations

Secure boot, tamper-resistant HSMs and trusted execution environments ensure system integrity, prevent unauthorized access and maintain operational resilience.
Future-ready, quantum-safe security

With built-in quantum-safe algorithms and cryptographic processors, IBM Z protects data from both current and next-generation cyberthreats, ensuring long-term resilience.

Built-in solutions to help you get started

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Quantum-safe security

Leverage advanced encryption and key management built to withstand future quantum computing threats. IBM Z integrates quantum-safe algorithms directly into its cryptographic processors for long-term protection.

 Explore Quantum-safe security for IBM Z
Diagram of IBM Z endpoint security encryption
IBM Fibre Channel Endpoint Security

Provides encryption for Fibre Channel and FICON links, ensuring secure data transfers between storage systems (such as IBM DS8000®) and IBM Z platforms to maintain confidentiality and prevent data interception.

 Explore IBM Fibre Channel Endpoint Security Read the IBM Redbooks
Diagram of IBM Z secure execution
IBM Secure Execution for Linux®

Uses a trusted execution environment (TEE) to isolate Linux workloads securely. It protects against unauthorized access and insider threats while ensuring application integrity and confidentiality.

 Explore IBM Secure Execution for Linux Explore the documentation
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IBM Crypto Express

A dedicated cryptographic coprocessor offering secure key generation, encryption and signing operations. It delivers tamper-resistant key protection and supports both classical and quantum-safe algorithms.

 Explore the documentation Explore 4770 Cryptographic Coprocessor
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IBM Trusted Key Entry (TKE)

Simplifies and secures management of hardware security modules (HSMs) across IBM Z and LinuxONE. It provides compliant, hardware-based security controls for cryptographic key handling.

 Explore z/OS Trusted Key Entry Workstation
IBM Pervasive Encryption

Hardware-accelerated encryption built into the IBM Z architecture protects data at rest and in transit across applications, reducing complexity and streamlining regulatory compliance.

 Explore IBM Z pervasive encryption
Illustration of the milestones of quantum safety
Quantum-safe security

Leverage advanced encryption and key management built to withstand future quantum computing threats. IBM Z integrates quantum-safe algorithms directly into its cryptographic processors for long-term protection.

 Explore Quantum-safe security for IBM Z
Diagram of IBM Z endpoint security encryption
IBM Fibre Channel Endpoint Security

Provides encryption for Fibre Channel and FICON links, ensuring secure data transfers between storage systems (such as IBM DS8000®) and IBM Z platforms to maintain confidentiality and prevent data interception.

 Explore IBM Fibre Channel Endpoint Security Read the IBM Redbooks
Diagram of IBM Z secure execution
IBM Secure Execution for Linux®

Uses a trusted execution environment (TEE) to isolate Linux workloads securely. It protects against unauthorized access and insider threats while ensuring application integrity and confidentiality.

 Explore IBM Secure Execution for Linux Explore the documentation
Close-up of IBM Crypto Express hardware
IBM Crypto Express

A dedicated cryptographic coprocessor offering secure key generation, encryption and signing operations. It delivers tamper-resistant key protection and supports both classical and quantum-safe algorithms.

 Explore the documentation Explore 4770 Cryptographic Coprocessor
Close-up of trusted key entry console
IBM Trusted Key Entry (TKE)

Simplifies and secures management of hardware security modules (HSMs) across IBM Z and LinuxONE. It provides compliant, hardware-based security controls for cryptographic key handling.

 Explore z/OS Trusted Key Entry Workstation
IBM Pervasive Encryption

Hardware-accelerated encryption built into the IBM Z architecture protects data at rest and in transit across applications, reducing complexity and streamlining regulatory compliance.

 Explore IBM Z pervasive encryption

Use cases

Illustration of fraud detection
Financial services: Fraud detection

IBM Z integrated AI enables financial institutions to detect and prevent fraud in real time, ensuring secure and efficient transaction processing. Banks can analyze credit card activity instantly to identify and stop suspicious patterns, protecting customers and minimizing losses.
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Healthcare: Secure medical records

IBM Z ensures that patient data remains private and protected, from storage to transmission. Healthcare providers can rely on its encryption and resiliency to securely manage electronic health records (EHRs) and meet standards such as HIPAA.
Illustration of secure payment processing
Retail: Secure payment processing

Retailers trust IBM Z for secure, efficient payment processing at scale. With real-time fraud detection and encryption, it safeguards customer data, enabling millions of secure daily transactions without disruption.
Illustration of secure claims processing
Insurance: Secure claims processing

IBM Z enables fast, secure claims processing and protects sensitive customer information with encryption. Insurance companies can analyze data in real time to detect fraud, streamline operations and maintain customer trust.
Illustration of data security and compliance
Government and public sector: Data security and compliance

IBM Z helps government agencies protect sensitive information and meet strict regulations such as GDPR and FIPS 140-2. With pervasive encryption and tamper-resistant technology, agencies can securely manage confidential data while maintaining compliance.
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Telecommunications: Security and network uptime

Telecom providers rely on IBM Z for secure and continuous operations. Its encryption and resiliency protect customer data while ensuring uninterrupted services, even during system updates or outages.
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Energy and utilities: Critical infrastructure security

IBM Z protects essential infrastructure with tamper-resistant security for operational technology (OT) and customer data. Utility companies can secure smart grid operations, ensure compliance and maintain uninterrupted energy distribution.

Resources

Industry-leading security with IBM Z hardware

Discover how IBM Z secures workloads with AI and ensures regulatory compliance.
Post-quantum approach to cryptography

Read how a post-quantum approach to cryptography can help protect mainframe data.
Tackling compliance anxiety in the mainframe era

Discover how modernizing mainframe compliance can ease regulatory anxiety and strengthen your organization’s security posture in today’s complex digital landscape.
The next frontier in security: Confidential computing

Find out how IBM delivers production-ready confidential computing to protect data, applications and processes at scale for a broad spectrum of clients.

Cost of a Data Breach Report 2025

Gain insights from the experiences of over 550 organizations that have gone through a data breach.
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