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One policy to rule them all

SecureList

Such changes can be tracked using event 5136 , which is generated whenever an AD object is modified. This is necessary so that when checking for GPO updates, the client can detect that there is a newer version than the one in the cache and download the modified policy.

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Story of the Year: global IT outages and supply chain attacks

SecureList

With large-scale security crises being one of the most relevant threats worldwide, it’s more important than ever to reflect on past events, assess emerging threats, and, most crucially, explore strategies to prevent future incidents. OpenSSH is used in a wide range of scenarios where secure network communication is required.

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Approach to mainframe penetration testing on z/OS. Deep dive into RACF

SecureList

Other components exist too, such as utilities for RACF administration and management, or the RACF Auditing and Reporting solution responsible for event logging and reporting. Collecting password hashes One of the primary goals in penetration testing is to get a list of administrators and a way to authorize using their credentials.

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Security BSides Dublin 2021 – Jayme Hancock’s ‘Weaponizing Systems Administration: Leveraging IT Skills In Penetration Testing’

Security Boulevard

The post Security BSides Dublin 2021 – Jayme Hancock’s ‘Weaponizing Systems Administration: Leveraging IT Skills In Penetration Testing’ appeared first on Security Boulevard. Our thanks to Security BSides Dublin for publishing their outstanding videos on the organization's YouTube channel.

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Florence, Ala. Hit By Ransomware 12 Days After Being Alerted by KrebsOnSecurity

Krebs on Security

That last effort prompted a gracious return call the following day from a system administrator for the city, who thanked me for the heads up and said he and his colleagues had isolated the computer and Windows network account Hold Security flagged as hacked. ”

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Log4J: What You Need to Know

Adam Levin

Logging software is typically the first thing a developer or technician will check in the event of an unexpected outage or error, as it can help pinpoint the source of the problem relatively quickly and easily. . Log4J is an open-source software tool used to log activity on internet-based services and software.

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Russia-linked hackers actively exploit CVE-2020-4006 VMware flaw, NSA warns

Security Affairs

“This advisory emphasizes the importance for National Security System (NSS), Department of Defense (DoD), and Defense Industrial Base (DIB) system administrators to apply vendor-provided patches to affected VMware® identity management products and provides further details on how to detect and mitigate compromised networks.”