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I need to read the WMI for successful logons/logoff of a pc (local)<br />
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The settings to catch those events are turned on. In the Logevent the events are visible but if I connect to WMI there's no entry stored for Logfile Security in Win32_NTLogEvent
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I need to read the WMI for successful logons/logoff of a pc (local)

The settings to catch those events are turned on. In the Logevent the events are visible but if I connect to WMI there's no entry stored for Logfile Security in Win32_NTLogEvent

Security Events (Logon/Logoff) not visible in WMI

Operating system security (OS security) is the process of ensuring OS integrity, confidentiality and availability. OS security refers to specified steps or measures used to protect the OS from threats, viruses, worms, malware or remote hacker intrusions. OS security encompasses all preventive-control techniques, which safeguard any computer assets capable of being stolen, edited or deleted if OS security is compromised, including authentication, passwords and threats to systems and programs.

OS Security

Microsoft Windows XP is the sixth release of the NT series of operating systems, and was the first to be marketed in a variety of editions: XP Home and XP Professional, designed for business and power users. The advanced features in XP Professional are generally disabled in Home Edition, but are there and can be activated. There were two 64-bit editions, an embedded edition and a tablet edition.

Windows XP

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.