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Covert channel: Characters, Characteristics & Data hiding in TCP/IP Protocol suite by covert channels

In computer security, a covert channel is a type of attack that creates a capability to transfer information objects between processes that are not supposed to be allowed to communicate by the computer security policy. The term, originated in 1973 by Butler Lampson, is defined as channels "not intended for information transfer at all, such as the service…

Language: English [EN]
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Covert channel topic overview

The analysis highlights Characters, Characteristics and Data hiding in TCP/IP Protocol suite by covert channels as prominent areas in the source structure around Covert channel.

Related topics
23
Source areas
6
Connected nodes
29
Extracted relationships
36
Related term clusters
23
Bridge connections
29

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Characteristics · 7 topics
Overview · 7 topics
Data hiding in TCP/IP Protocol suite by covert channels · 4 topics
Data hiding in OSI model · 3 topics
Eliminating covert channels · 1 topics
Timing channels · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

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Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Characteristics

Timing channels

Eliminating covert channels

Data hiding in OSI model

Data hiding in TCP/IP Protocol suite by covert channels

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Covert channel connects Entity context

The extracted context around Covert channel shows recurring relationship patterns in the source. For example, Covert channel → Craig Rowland, Focusing, IP, Linux, Rowland, TCP, TCP/IP, TCP/IP Protocol Another extracted example is Covert channel → Agency, Evaluation Criteria, Lampson's, National Computer Security Center, TCSEC, The Trusted Computer Security, United States' National Security. Use these groups to spot repeated connection types before inspecting the individual relationships.

Covert channel

Top relations

related to Data hiding in TCP/IP Protocol suite by covert channels · 8
Covert channel → Craig Rowland, Focusing, IP, Linux, Rowland, TCP, TCP/IP, TCP/IP Protocol
related to TCSEC criteria · 7
Covert channel → Agency, Evaluation Criteria, Lampson's, National Computer Security Center, TCSEC, The Trusted Computer Security, United States' National Security
related to Data hiding in OSI model · 6
Covert channel → Besides, CSMA/CD, Handel, OSI, Rather, Sandford
related to Identifying covert channels · 4
Covert channel → Covert, One, Ordinary, Two
related to Data hiding in LAN environment by covert channels · 3
Covert channel → Girling, LAN, LANs
is a · 1
Covert channel → type of attack that creates a capability to transfer information objects between processes that are not supposed to be allowed to communicate by the computer security policy
related to Characteristics · 1
Covert channel → Covert
related to Eliminating covert channels · 1
Covert channel → Since

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

covert channels channel data network legitimate information systems system timing analysis techniques hiding time storage communication computer tcsec tcp protocol

Covert channel relationships Subject–Predicate–Object triples

TTTA extracted 36 structured relationships around Covert channel. Examples in this analysis include Covert channel → is a → type of attack that creates a capability to transfer information objects between processes that are not supposed to be allowed to communicate by the computer security policy and steganography or even less sophisticated schemes to disguise prohibited objects inside of legitimate information objects → instance of → legitimate channel exploitations that attack low-assurance pseudo-secure systems using schemes. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Covert channelis atype of attack that creates a capability to transfer information objects between processes that are not supposed to be allowed to communicate by the computer security policy0.90text
steganography or even less sophisticated schemes to disguise prohibited objects inside of legitimate information objectsinstance oflegitimate channel exploitations that attack low-assurance pseudo-secure systems using schemes0.80text
interoperability of these data hiding techniques with other network nodesinstance ofnumber of data hiding bits per channel use.Their covert channel analysis does not consider issues0.80text
covert channel capacity estimationinstance ofnumber of data hiding bits per channel use.Their covert channel analysis does not consider issues0.80text
effect of data hiding on the network in terms of complexityinstance ofnumber of data hiding bits per channel use.Their covert channel analysis does not consider issues0.80text
compatibilityinstance ofnumber of data hiding bits per channel use.Their covert channel analysis does not consider issues0.80text
Covert channelrelated to CharacteristicsCovert0.60section
Covert channelrelated to Data hiding in LAN environment by covert channelsGirling0.60section
Covert channelrelated to Data hiding in LAN environment by covert channelsLANs0.60section
Covert channelrelated to Data hiding in LAN environment by covert channelsLAN0.60section
Covert channelrelated to Data hiding in OSI modelHandel0.60section
Covert channelrelated to Data hiding in OSI modelSandford0.60section

Related concept clusters Related term clusters

The concept neighborhoods around Covert channel bring nearby vocabulary together. In this analysis, examples include Covert, Channels and Information. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Covert channel
    • Covert
    • Channels
    • Information
    • Hiding
    • Storage
    • Legitimate
    • Systems
    • Network
    • Attack
    • Communication
    • Computer
    • Analysis
  • covert channel
    • Covert
    • Channels
    • Legitimate
    • Information
    • Systems
    • Data
    • Secure
    • Storage
    • Hiding
    • Analysis
    • Timing
    • Network
  • computer security
    • Security
    • Transfer
    • Attack
    • Tcsec
    • Use
    • Hiding
    • Information
    • System
    • Timing
    • Cannot
    • Data
    • Detected
  • computer security policy
    • Security
    • Transfer
    • Attack
    • Tcsec
    • Use
    • Hiding
    • Information
    • System
    • Timing
    • Cannot
    • Data
    • Detected
  • system load
    • Hiding
    • Timing
    • Transfer
    • Detected
    • Osi
    • Data
    • Also
    • Tcsec
    • Legitimate
    • Systems
    • Network
    • Cannot
  • trusted computer security evaluation criteria
    • Security
    • Transfer
    • Attack
    • Tcsec
    • Use
    • Hiding
    • Information
    • System
    • Timing
    • Cannot
    • Data
    • Detected
  • national computer security center
    • Security
    • Transfer
    • Attack
    • Tcsec
    • Use
    • Hiding
    • Information
    • System
    • Timing
    • Cannot
    • Data
    • Detected
  • national security agency
    • Transfer
    • Tcsec
    • Cannot
    • Detected
    • Environment
    • Ip
    • Osi
    • Secure
    • Since
    • Suite
    • Use
    • Also

Connections between topic areas Semantic bridges

For Covert channel, one of the stronger structural bridges in this analysis connects Covert channel with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Covert channel — Overview · splits 22 ⟂ 8
Covert channel — Characteristics · splits 22 ⟂ 8
Covert channel — Data hiding in TCP/IP Protocol suite by covert channels · splits 25 ⟂ 5
Covert channel — Data hiding in OSI model · splits 26 ⟂ 4

Map overview Semantic statistics

Covert channel

Nodes30
Edges29
Triples36
Avg. degree1.93
Density0.066667
Components1

Source & methodology

TTTA analyzes the structure around Covert channel to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Characters, Characteristics & Data hiding in TCP/IP Protocol suite by covert channels, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Covert channel · EN edition · Analysis: TopicsToTalkAbout

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