A Security Identifier (SID) is a unique, variable-length alphanumeric string assigned by an operating system (OS), like Windows, to every security principal. A security principal can be a user, group, computer, or process that can be authenticated by the OS. SIDs are fundamental to how these systems manage access to resources. Here’s a more detailed Read More …
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ACE – Access Control Entries
The Building Blocks of Permissions In the realm of Identity and Access Management, controlling who can access what is paramount. While Access Control Lists (ACLs) provide the structure for managing permissions, the individual permissions themselves are defined within Access Control Entries (ACEs). Understanding ACEs is crucial for IT students to grasp the fine-grained control that Read More …
LCP – Link Control Protocol
The Link Control Protocol (LCP) is a critical component of the Point-to-Point Protocol (PPP), which is widely used for establishing direct connections between two network nodes. LCP plays a vital role in the setup, configuration, and management of PPP connections, making it essential for ensuring reliable and efficient data transmission over point-to-point links. Establishing Connections Read More …
PPP – Point-to-Point Protocol
Point-to-Point Protocol (PPP) is a widely used communication protocol that facilitates the transmission of data over point-to-point links. It is particularly important in networking because it provides a standard method for transporting various types of data, including IP packets, over direct connections between two devices. Understanding PPP is essential for new networking students, as it Read More …
MTU – Maximum Transmission Unit
Maximum Transmission Unit (MTU) is a fundamental concept in networking that refers to the largest size of a packet or frame that can be sent over a network. This size is specified in octets, which are eight-bit bytes. Understanding MTU is crucial for new networking students, as it plays a significant role in the efficiency Read More …
TTL – Time to Live
Time to Live (TTL), often referred to as hop limit, is a crucial mechanism used in computer networking to manage the lifespan of data packets as they traverse through a network. The primary purpose of TTL is to prevent data packets from circulating indefinitely, which can occur due to routing errors or network loops. By Read More …
AZ 900 – Part III – Microsoft Entra ID
Microsoft Entra ID Overview What is Microsoft Entra ID? Microsoft Entra ID, formerly known as Azure Active Directory (Azure AD), is a cloud-based identity and access management service provided by Microsoft. It enables organizations to manage user identities and access to resources securely. Key Features of Microsoft Entra ID Identity Management: User Lifecycle Management: Entra ID Read More …
AZ 900 – Part II – Architecture & Security II
Microsoft Azure is a powerful cloud computing platform that provides a wide range of services and resources for building, deploying, and managing applications and services through Microsoft-managed data centers. Understanding the structure of Azure is essential for effectively utilizing its capabilities. Key components of Azure’s organizational structure include subscriptions, management groups, resource groups, and resources. Read More …
Month of AI Video – Practical LLM Security
Practical LLM Security As large language models (LLMs) become increasingly integrated into various applications, the security standards for these integrations have not kept pace. Much of the current security research tends to focus on either 1) the social harms and biases associated with LLMs, along with content moderation issues, or 2) the LLMs themselves, often Read More …
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