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 However, in some projects, you may encounter systems built on rather outdated principles.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:

  • FBI: Cyber Criminal Group TeamPCP

    July 2, 2026

    The Federal Bureau of Investigation (FBI) is releasing this FLASH to highlight the tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) associated with the cyber criminal group TeamPCP. TeamPCP actors have conducted large-scale software supply chain compromises by targeting widely used developers and security tools, gaining access to victim environments and extracting sensitive ...

  • Politician who investigated spyware abuses had his phone hacked with Pegasus spyware

    July 2, 2026

    Security researchers have confirmed that a European politician had his phone hacked with the Pegasus spyware while serving on an investigatory committee probing abuses of the notorious surveillance tool. This has reignited fresh controversy over governments abusing spyware to collect information about their critics. The researchers at the University of Toronto’s digital rights unit The Citizen ...

  • Hackers breached DHS information-sharing network

    June 30, 2026

    A key Department of Homeland Security information-sharing database was accessed by an unknown threat actor in recent weeks, potentially exposing sensitive data exchanged between federal, state, local and industry partners, according to two people familiar with the matter. DHS investigators are probing the intrusion of the Homeland Security Information Network, said both people, who spoke on ...

  • Apple releases security patches for iOS, MacOS Tahoe, Safari

    June 30, 2026

    Apple has released security updates for more than two dozen security vulnerabilities across iPhone, iPad, and Mac. The updates for iOS/iPadOS, MacOS Tahoe, and Safari were issued after testing on iOS 26.6 and iPadOS 26.6 betas. What stands out in the update is that a lot of the vulnerabilities were found in WebKit, the browser engine that powers Safari ...

  • ToddyCat: your hidden email assistant. Part 2

    June 30, 2026

    Kaspersky continue to share details on the malicious techniques and toolsets used by the ToddyCat APT group. In the first part of this report, they examined the group’s attacks aimed at stealing data from browsers, as well as from local and cloud email services. The methods used in that campaign indicated that ToddyCat was attempting ...

  • Japan: Over 14 million login credentials leaked from six ISPs in major data breach

    June 29, 2026

    A data breach that has potentially exposed the email and password combinations for over 14 million customers across six internet service providers (ISPs) has been disclosed by Japanese telecoms provider KDDI Corporation. According to the company, hackers exploited a vulnerability in a third-party software to access the database of credentials. KDDI said that it immediately blocked ...