The SDS Blog

Read our latest blog posts, press releases, and product updates to stay up-to-date on the latest SDS mainframe news and information.

Every Terminal Emulator Is an Endpoint You Are Patching

October 20, 2026

TN3270 emulators are software on every desktop that reaches your mainframe. Here is what that costs and what browser-based 3270 access changes.

Encryption Without Key Control is a Half Control

October 13, 2026

61% of organizations lack controls over their keys and certificates. Here is what that looks like on z/OS, and the one number to get first.

Quarterly SDS Virtel Newsletter

October 1, 2026

The SDS Virtel Newsletter delivers quarterly insights on 3270 terminal emulation tips, product updates, and development news for both current and prospective customers. Discover how Virtel Web Suite modernizes mainframe access with secure, browser-based solutions that deliver significant cost savings and enhanced security.

The Mainframe Is Inside the On-Prem Number. Nobody is Reporting on It

October 1, 2026

IBM's 2026 breach report found 53% of breached organizations were not encrypting sensitive data. Here is what that means on z/OS, and what to check first.

When AI Finds the Flaw Before You Can Patch It

August 4, 2026

Manual STIG compliance was never built for the speed modern mainframe environments move. Here's what automated, real-time STIG compliance actually looks like in the age of AI.

Advancing Mainframe Momentum in the AI Era with IBM z17

July 7, 2026

As organizations advance their AI adoption strategies, the need for a trusted, secure, and high-performance platform has never been greater. IBM z17 is purpose-built to help enterprises unlock the full value of AI while maintaining the reliability, security, and scalability essential for mission-critical operations.

The Mainframe SIEM Blind Spot: How to Close It

June 19, 2026

Most SIEMs can't see the mainframe, and auditors notice. See how VSA streams z/OS security events into your SIEM in real time to close the blind spot.

Your Mainframe Isn’t Out Of Capacity. It’s Out Of Balance.

April 21, 2026

Discover how JOPAZ redistributes COBOL batch workloads to improve capacity on your IBM Z General Processor

Your Mainframe IS the Target

February 20, 2026

Manual STIG compliance was never built for the speed modern mainframe environments move. Here's what automated, real-time STIG compliance actually looks like.

The Hidden Cost of FTP: Why “If It’s Working, Leave It Alone” Is Costing You More Than You Think

January 15, 2026

FTP may be "working," but at what cost? Explore the hidden expenses of legacy file transfers and why SFTP migration is easier and cheaper than you think.

Is Your z/OS Environment Still Using FTP? It’s Time for a Security Upgrade

December 11, 2025

The silent workhorse of enterprise infrastructure is now under intense regulatory scrutiny. Mainframes can no longer hide behind assumptions of inherent security. Organizations must implement real-time monitoring, automated controls, and audit-ready documentation or risk devastating six-figure fines.

Is Your Mainframe Audit-Ready? (Most Organizations Would Fail This Test)

November 1, 2025

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