Approach to mainframe penetration testing on z/OS


Information technology is developing at a rapid pace, with completely new areas emerging, such as DevOps and DevSecOps – and we’re striving to keep up. However, in some projects, you may encounter systems built on rather outdated principles. Such systems must be approached with care, since a single mistake can lead to data loss and malfunctions. To some extent, this is true for today’s systems too, but for systems with a rich history, the risks are significantly higher.

Mainframes are just such an example of old architecture. These software-hardware solutions rely on principles developed in the 1960s. However, they’re still in use today, for example, to simultaneously process a large number of transactions, perform complex computing operations, and so on.

Read more…
Source: Kaspersky


Sign up for our Newsletter


Related:

  • Fintech firm Marquis alerts dozens of US banks and credit unions of a data breach after ransomware attack

    December 3, 2025

    Fintech company Marquis is notifying dozens of U.S. banks and credit unions that they had customer data stolen in a cyberattack earlier this year. Details of the cyberattack emerged this week after Marquis filed data breach notices with several U.S. states confirming its August 14 incident as a ransomware attack. Texas-based Marquis is a marketing and compliance ...

  • Attackers have a new way to slip past your MFA

    December 3, 2025

    Attackers are using a tool called Evilginx to steal session cookies, letting them bypass the need for a multi-factor authentication (MFA) token. Researchers are warning about a rise in cases where this method is used against educational institutions. Evilginx is an attacker-in-the-middle phishing toolkit that sits between you and the real website, relaying the genuine sign-in ...

  • A data breach at analytics giant Mixpanel leaves a lot of open questions

    December 2, 2025

    A cybersecurity incident at analytics provider Mixpanel announced just hours before the U.S. Thanksgiving holiday weekend could set a new standard for how not to announce a data breach. To recap: In a bare bones blog post last Wednesday, Mixpanel chief executive Jen Taylor announced that the company had detected an unspecified security incident on November ...

  • Unraveling Water Saci’s New Multi-Format, AI-Enhanced Attacks Propagated via WhatsApp

    December 2, 2025

    Brazil has seen a recent surge of threats delivered via WhatsApp. As observed in Trend Micro previously published research on the SORVEPOTEL malware and the broader Water Saci campaignopen on a new tab, this popular platform has been used to launch sophisticated campaigns. Unsuspecting users receive convincing messages from trusted contacts, often crafted to exploit social ...

  • Google patches 107 Android flaws, including two being actively exploited

    December 2, 2025

      Google has patched 107 vulnerabilities in Android in its December 2025 Android Security Bulletin, including two high-severity flaws that are being actively exploited. The December updates are available for Android 13, 14, 15, and 16. Android vendors are notified of all issues at least a month before publication, but that doesn’t always mean the patches ...

  • NHS Highland staff ‘poor practice’ sparks fears of heightened risk of a major cyber attack

    December 1, 2025

    NHS Highland is at heightened risk of falling prey to a major cyber attack in part due to “poor practice” by some staff members. The warning, contained in a report to the board assessing risk levels faced in a range of areas against what is deemed an acceptable level of risk, comes as the busy ...