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相关概念视频

Masking and Demasking Agents01:19

Masking and Demasking Agents

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EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
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Uncertainty: Overview00:59

Uncertainty: Overview

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In analytical chemistry, we often perform repetitive measurements to detect and minimize inaccuracies caused by both determinate and indeterminate errors. Despite the cares we take, the presence of random errors means that repeated measurements almost never have exactly the same magnitude. The collective difference between these measurements - observed values - and the estimated or expected value is called uncertainty. Uncertainty is conventionally written after the estimated or expected value.
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Zones of Protection01:16

Zones of Protection

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In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
757
Leaky Scanning02:28

Leaky Scanning

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During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...
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Machines01:19

Machines

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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
551
Multimachine Stability01:25

Multimachine Stability

544
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
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相关实验视频

ZenGuard是一个基于机器学习的零信任框架,用于使用SIEM SOAR和UEBA进行上下文感知威胁缓解.

Aamina Hassan1, Abdul Rauf2, Narmeen Shafqat2

  • 1National University of Sciences and Technology, Islamabad, Pakistan. aamina.phdis@students.mcs.edu.pk.

Scientific reports
|October 14, 2025
PubMed
概括

通过将零信任架构 (ZTA) 与SIEM,SOAR和UEBA集成,ZenGuard提高了网络安全. 这种开源框架提供了可适应的实时威胁检测和响应,大大减少了响应的平均时间 (MTTR).

关键词:
事件响应应对事件的反应.在MFA中,MFA是最重要的.Python 自动化 Python 自动化在SIEM系统中,有很多问题.这就是SOAR.威胁检测 威胁检测美国商业银行联合会 (UEBA)零信任架构 零信任架构

相关实验视频

科学领域:

  • 网络安全 网络安全
  • 网络安全 网络安全
  • 信息安全 信息安全

背景情况:

  • 传统的基于外围的安全模型对APT等现代网络威胁是不够的.
  • 现有的SIEM和SOAR平台缺乏完全实现零信任架构 (ZTA) 的行为上下文.
  • 在ZTA实时,自适应性执法方面存在运营缺口.

研究的目的:

  • 介绍ZenGuard,一个开源框架,将ZTA,SIEM,SOAR和UEBA统一起来.
  • 实现对ZTA原则的上下文意识,实时和自适应性强制执行.
  • 为实际的网络安全自动化提供一个独立于供应商的平台.

主要方法:

  • 开发了ZenGuard,这是一个使用Python进行自动化的集成平台.
  • 使用可解释的机器学习模型来检测行为异常.
  • 评估ZenGuard与现实世界SOC遥测和合成数据集.

主要成果:

  • 对于关键威胁,实现的平均响应时间 (MTTR) 在10秒以下.
  • 证明了有效的威胁检测和响应跨身份,设备和网络层.
  • 在不同的模拟威胁场景上验证了UEBA准确性.

结论:

  • ZenGuard提供了一种实用,可解释和可扩展的网络安全自动化方法.
  • 该框架有效地支持与NIST和ISO标准一致的零信任原则.
  • ZenGuard用现有的安全工具解决了ZTA实施中的运营缺口.