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Universidad de Salamanca
Pablo Gallardo's Blog
My professional web log about IT, Cybersecurity & Project Management

How to use Microsoft Policy Analyzer

Policy Analyzer is a free tool provided that Microsoft that allow us compare different GPO groups and highlight the differences. It provides a GUI interface and it is only available for Windows OS. How to install Policy Analyzer Policy Analyzer is a tool that is included on Microsft Security Compliance Toolkit (SCT). You can go […]

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Differences between PCI DSS 3.2.1 and 4.0

PCI DSS is an information security standard for organizations that handle branded credit cards from the major card schemes. You can check a general post about PCI DSS on this link. As the standard is updated regularly, there are different versions of this standard. PCI DSS 3.2.1 was issued on May 2018. PCI DSS 4.0 was […]

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How to replace discontinued Web Technologies

Each year we find that there are web technologies whose owner companies stop giving support. Flash, Silverlight and Java applets are some examples of these disappearing technologies. Though they are still used, each day they are receiving less and less support from web browsers, which have already removed its support in the latest version of […]

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How to make screenshots in Ubuntu

This post summarizes how to make screenshots in Ubuntu OS. How to make screenshots in Ubuntu 22.04 Copy the whole screen to the clipboard Press keys Shift + PrtSc (Print Screen). Copy a region of the screen to the clipboard Press key PrtSc. Some options will be suggested: Selection area: a custom region, whole screen […]

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Windows 10 Security

This post summarizes some tools, courses, certifications and hardening guides related to Windows 10. As Windows 10 and 11 are very similar, this post applies to both operating systems. Windows 10 Security Tools There are different security tools and functionalities available for Windows 10: General Security: Microsoft Defender for Endpoint, Windows Defender Security Center Security […]

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Operational Technologies

Operational technologies, often referred with the acronym OT, is hardware and software that detects or causes a change, through the direct monitoring and/or control of industrial equipment, assets, processes and events. The industrial context is basic on this definition of OT. OT is often used as a counterpart of information technologies (IT), to refer the technologies […]

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List of SIEM Solutions

SIEM is an acronym that means Security Information and Event Management. This post lists some SIEM solutions. List of SIEM solutions List of SIEM solutions: QRadar Splunk Azure Sentinel Arcsight Splunk You might find interesting this article “Is Splunk a SIEM?”   You might be interested in… Splunk External references Gartner; “Security Information and Event […]

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What is Splunk? There is a free course from Splunk explaining what it is. It is called “What is Splunk?“, and it is available online.   Splunk Certifications There are different certifications provided by Splunk. You can find these certifications on this link. You can filter using the dropdown list “Certificates”.   External references Splunk; […]

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IT Security Certifications

    General IT Security Probably the most valued of this list are CISSP and CISM. SSCP Issued by (ISC)2. In the PECB ISO/IEC 27001 Lead Implementer course notes, it describes “SSCP” as “for new graduates”.   CISSP Certified Information Systems Security Professional Issued by (ISC)² Requires 5 years of experience. Official link In the […]

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IT Security Compliance Regulations and Standards

This is a non-exhaustive list of compliance regulations and standards that may be taken into account in an organization. The obligation or recommendation to follow these regulations or standards depends on the type of activity and location of the activity of the organization. Card Payment PCI DSS (Payment Card Industry Data Security Standard) PA-DSS PCI […]

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