What is a false positive and how could it be used to hide a real attack?
Solution
False positives are alerts generated by an IDS because it thinks it has detected a valid attack against a monitored system,but the attack really is not valid.False Positives are problems because they create alert noise that can hide a real attack,and then can send you a wild goos chases for attacks that never relly happened.
A False positive occurs when an IDS generates an alert on either
Network traffic that looks like an attack to the IDS,but isnot an attack.
A real attack that attack doesnot applyto the system being monitored.
A false negative is a real attack that was missed by the IDS, and therefore not alerted on.An IDS might miss an attack because the attack is not one it recognizes,becuse the IDS overwhelmed or because the attacker has successfully used a method of evading the IDS.
.
What are the Different Types of Intrusion Detection SystemsGeekTek IT Services
The intrusion detection system alerts an administrator about suspicious malware. It is security software and there are different types which include active IDS, host-based IDS, knowledge-based IDS, and behavior-based IDS. See the mentioned slideshow to know more details about the different types of intrusion detection systems.
An IDS (Intrusion detection system) is a device or software application that monitors network or system
activities for malicious activities or policy violations and produces reports to a management station. IDS
come in a variety of “flavors” and approach the goal of detecting suspicious traffic in different ways.
There are network based (NIDS) and host based (HIDS) intrusion detection systems. Some systems may
attempt to stop an intrusion attempt but this is neither required nor expected of a monitoring system.
What are the Different Types of Intrusion Detection SystemsGeekTek IT Services
The intrusion detection system alerts an administrator about suspicious malware. It is security software and there are different types which include active IDS, host-based IDS, knowledge-based IDS, and behavior-based IDS. See the mentioned slideshow to know more details about the different types of intrusion detection systems.
An IDS (Intrusion detection system) is a device or software application that monitors network or system
activities for malicious activities or policy violations and produces reports to a management station. IDS
come in a variety of “flavors” and approach the goal of detecting suspicious traffic in different ways.
There are network based (NIDS) and host based (HIDS) intrusion detection systems. Some systems may
attempt to stop an intrusion attempt but this is neither required nor expected of a monitoring system.
IDS - Intrusion Detection System presentation designed for HNDIT semester 3 OS and Security assignment.
This describe Host,Network,Anomaly,Active,Passive Intrusion Detection Systems
Intrusion Detection System (IDS) is meant to be a software application which monitors the network or system activities and finds if any malicious operations occur. Tremendous growth and usage of internet raises concerns about how to protect and communicate the digital information in a safe manner. Nowadays, hackers use different types of attacks for getting the valuable information. Many intrusion detection techniques, methods and algorithms help to detect these attacks. This main objective of this paper
is to provide a complete study about the definition of intrusion detection, history, life cycle, types of intrusion detection methods, types of attacks, different tools and techniques, research needs, challenges and
applications.
Securing Cyberspace: The Vitality of Intrusion Detection SystemsTagx Data
An Intrusion Detection System (IDS) functions as a vigilant security guard for your computer network or system. Much like a human guard monitors a building for suspicious activity, an IDS keeps constant watch, alerting to any unusual behavior or potential cyber threats. Its primary role is to detect and respond to any signs of intrusion, offering crucial protection against digital breaches and attacks.
Explain the advantages and disadvantages of misuse-based and anomaly.pdfizabellejaeden956
Explain the advantages and disadvantages of misuse-based and anomaly-based intrusion
detection systems.
Solution
Misuse based IDS
Advantages
Misuse IDS provide better visibility of the over system from outside attacks.
Misuse has a greater capability of response to the outside attacks
Misuse also provide the tracking of virus propagation.
Disadvantages
Maintain is a difficult task of Misuse based IDS.
Misuse requires great amount of staff
Anomaly based IDS
Advantages
News threats can be detected without worrying about the signature which help to protect systems
from new threats.
This type of IDS requires very little maintenance once the system is deployed.
The third advantage is port scan that are conducted over large time frame can be detected.
Disadvantages
The system must learn and create profile for each user group which lead the system to be
unprotected state during learning phase.
If attack pretends the attack as normal traffic then this type of IDS would fail to protect the
system from outside attacks.
The main disadvantage is that this IDS will slows down the performance of overall system..
Know The Difference Between Intrusion Detection vs Intrusion Prevention Syste...securens
Securens is a company that offers a range of security solutions, including Intrusion Prevention Systems. It is designed to be highly customizable, allowing users to configure it to fit their specific security needs.
What is entropy- What is its significance for engineering devices and.docxtodd471
What is entropy? What is its significance for engineering devices and processes?
Solution
Entropy is a thermodynamic quantity representing the unavailability of a system\'s thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system. The entropy of a substance is real physical quantity and is a definite function of the state of the body like pressure, temperature, volume of internal energy.
Significance- the significance of entropy revolves around the stability of a system/reaction. the higher the entropy, the more unstable the system/reaction. from the third law of thermodynamics we know that the entropy of a crystalline solid is zero at the absolute temperature (0 K). thus this is the most stable form of a substance. An increase in entropy implies a transition from on ordered to a less ordered state of affair.
.
What is an income statement and what information does it communicate-S.docxtodd471
What is an income statement and what information does it communicate?
Solution
Answer: Income statement:The income statement is one of the three primary financial statements used to assess a company’s performance and financial position (the two others being the balance sheet and the cash flow statement). The income statement summarizes the revenues and expenses generated by the company over the entire reporting period.
Net income=Revenue-Expenses
It communicates about:
Revenue is the money that a company takes in.
Expenses are the money that a company pays out.
Net income is the amount of money that is left after a company subtracts their expenses from their revenue.
.
What is an intangible asset- Consider the characteristics- Provide an.docxtodd471
What is an intangible asset? Consider the characteristics. Provide an example of an intangible asset. How is it treated in accounting?
Solution
An Intangible assets is an asset which cannot be seen or touched. But it provides econmic benefits to the firm or company. Example of intangible asset are goodwill, Patent, Trademark. Brand recognition etc Characterstics Lack of physical existence They are not financial instruments Accounting Treatment If an intangible asset is purchased then they are recorded at cost If purchased in exchange of stock, fair value of consideration given or received whichever is more clear, should be recognised If it is developed then capitalised direct costs incurred in developing the intangible
.
What is Contingent Liabilities-SolutionContingent liabilities are thos.docxtodd471
What is Contingent Liabilities?
Solution
Contingent liabilities are those liabilities which are not liabilities as of now.
In future they may become liabilities. They are called contingent because they are not real.
Example: A bank shows all bank guarantees it has issued as contingent liabilities in its balance sheet. Reason: those bank guarantees may be invoked and may actually become liability in some unknown date in future.
Contingent liabilities are mentioned in balance sheet and annual report. There is a solid reason for the same. Suppose any contingent liability becomes a real liability in future then the stake holders in the company should not get surprised by sudden expense by the company.
Investors need to be informed of possible liabilities in future.
.
What is CORBA- Give a brief Overview-SolutionThe CORBA- which stands f.docxtodd471
What is CORBA? Give a brief Overview.
Solution
The CORBA, which stands for Common Object Request Broker Architecture which was developed by the Object Management Group (OMG) which is a standard to provide communication among distributed objects.
The communication between client and server is accomplished through a well-defined object-oriented interface. The Object Request Broker (ORB) determines the location of the target object, sends a request to that object, and returns any response back to the caller.
An Interface Definition Language (IDL) is the OMG standard used define the interface definitions or APIs, which provides a platform independent flexibility.
.
More Related Content
Similar to What is a false positive and how could it be used to hide a real attac.docx
IDS - Intrusion Detection System presentation designed for HNDIT semester 3 OS and Security assignment.
This describe Host,Network,Anomaly,Active,Passive Intrusion Detection Systems
Intrusion Detection System (IDS) is meant to be a software application which monitors the network or system activities and finds if any malicious operations occur. Tremendous growth and usage of internet raises concerns about how to protect and communicate the digital information in a safe manner. Nowadays, hackers use different types of attacks for getting the valuable information. Many intrusion detection techniques, methods and algorithms help to detect these attacks. This main objective of this paper
is to provide a complete study about the definition of intrusion detection, history, life cycle, types of intrusion detection methods, types of attacks, different tools and techniques, research needs, challenges and
applications.
Securing Cyberspace: The Vitality of Intrusion Detection SystemsTagx Data
An Intrusion Detection System (IDS) functions as a vigilant security guard for your computer network or system. Much like a human guard monitors a building for suspicious activity, an IDS keeps constant watch, alerting to any unusual behavior or potential cyber threats. Its primary role is to detect and respond to any signs of intrusion, offering crucial protection against digital breaches and attacks.
Explain the advantages and disadvantages of misuse-based and anomaly.pdfizabellejaeden956
Explain the advantages and disadvantages of misuse-based and anomaly-based intrusion
detection systems.
Solution
Misuse based IDS
Advantages
Misuse IDS provide better visibility of the over system from outside attacks.
Misuse has a greater capability of response to the outside attacks
Misuse also provide the tracking of virus propagation.
Disadvantages
Maintain is a difficult task of Misuse based IDS.
Misuse requires great amount of staff
Anomaly based IDS
Advantages
News threats can be detected without worrying about the signature which help to protect systems
from new threats.
This type of IDS requires very little maintenance once the system is deployed.
The third advantage is port scan that are conducted over large time frame can be detected.
Disadvantages
The system must learn and create profile for each user group which lead the system to be
unprotected state during learning phase.
If attack pretends the attack as normal traffic then this type of IDS would fail to protect the
system from outside attacks.
The main disadvantage is that this IDS will slows down the performance of overall system..
Know The Difference Between Intrusion Detection vs Intrusion Prevention Syste...securens
Securens is a company that offers a range of security solutions, including Intrusion Prevention Systems. It is designed to be highly customizable, allowing users to configure it to fit their specific security needs.
What is entropy- What is its significance for engineering devices and.docxtodd471
What is entropy? What is its significance for engineering devices and processes?
Solution
Entropy is a thermodynamic quantity representing the unavailability of a system\'s thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system. The entropy of a substance is real physical quantity and is a definite function of the state of the body like pressure, temperature, volume of internal energy.
Significance- the significance of entropy revolves around the stability of a system/reaction. the higher the entropy, the more unstable the system/reaction. from the third law of thermodynamics we know that the entropy of a crystalline solid is zero at the absolute temperature (0 K). thus this is the most stable form of a substance. An increase in entropy implies a transition from on ordered to a less ordered state of affair.
.
What is an income statement and what information does it communicate-S.docxtodd471
What is an income statement and what information does it communicate?
Solution
Answer: Income statement:The income statement is one of the three primary financial statements used to assess a company’s performance and financial position (the two others being the balance sheet and the cash flow statement). The income statement summarizes the revenues and expenses generated by the company over the entire reporting period.
Net income=Revenue-Expenses
It communicates about:
Revenue is the money that a company takes in.
Expenses are the money that a company pays out.
Net income is the amount of money that is left after a company subtracts their expenses from their revenue.
.
What is an intangible asset- Consider the characteristics- Provide an.docxtodd471
What is an intangible asset? Consider the characteristics. Provide an example of an intangible asset. How is it treated in accounting?
Solution
An Intangible assets is an asset which cannot be seen or touched. But it provides econmic benefits to the firm or company. Example of intangible asset are goodwill, Patent, Trademark. Brand recognition etc Characterstics Lack of physical existence They are not financial instruments Accounting Treatment If an intangible asset is purchased then they are recorded at cost If purchased in exchange of stock, fair value of consideration given or received whichever is more clear, should be recognised If it is developed then capitalised direct costs incurred in developing the intangible
.
What is Contingent Liabilities-SolutionContingent liabilities are thos.docxtodd471
What is Contingent Liabilities?
Solution
Contingent liabilities are those liabilities which are not liabilities as of now.
In future they may become liabilities. They are called contingent because they are not real.
Example: A bank shows all bank guarantees it has issued as contingent liabilities in its balance sheet. Reason: those bank guarantees may be invoked and may actually become liability in some unknown date in future.
Contingent liabilities are mentioned in balance sheet and annual report. There is a solid reason for the same. Suppose any contingent liability becomes a real liability in future then the stake holders in the company should not get surprised by sudden expense by the company.
Investors need to be informed of possible liabilities in future.
.
What is CORBA- Give a brief Overview-SolutionThe CORBA- which stands f.docxtodd471
What is CORBA? Give a brief Overview.
Solution
The CORBA, which stands for Common Object Request Broker Architecture which was developed by the Object Management Group (OMG) which is a standard to provide communication among distributed objects.
The communication between client and server is accomplished through a well-defined object-oriented interface. The Object Request Broker (ORB) determines the location of the target object, sends a request to that object, and returns any response back to the caller.
An Interface Definition Language (IDL) is the OMG standard used define the interface definitions or APIs, which provides a platform independent flexibility.
.
What is Cirque de Soleil-'s product and business strategy- Comment spe.docxtodd471
What is Cirque de Soleil\'s product and business strategy? Â Â Comment specifically on how the product and strategy provide a competitive advantage.
Solution
Business strategies used by the world-famous Cirque du Soleil to tap employee creativity can be used by businesses for the same purpose, a top member of that organization told an audience at Society for Human Resource Management (SHRM) 2008 Global Conference and Exposition.
In 1984 a group of street performers banded together and formed the forerunner of Cirque du Soleil, Lyn Heward, the organization
.
What is black box testing-SolutionBlack Box Testing-- Black box testin.docxtodd471
What is black box testing?
Solution
Black Box Testing:-
Black box testing refers to the testing of an application or software, it is actually used to test the functionality of the particular software without actually connecting the software to the actual peers,which it will use when it will actually start working.
So in other words we can say that is a dummy kind of testing done before launching the Software or the Application to make sure that it is working up to the mark.
It is also used to test different stages of the software while it is being build like unit, integration, system and acceptance,that is each virtual layer of testing can be done before the Software or the Application is Released.
.
What is an ETL plan that Ralph Kimball identifies from the 34 Subsyste.docxtodd471
What is an ETL plan that Ralph Kimball identifies from the 34 Subsystems that emphasize the most important within an organization.
Solution
The Extract-Transform-Load (ETL) system, that Ralph Kimball identifies from the 34 subsytems that emphasize the most important within an organization, is often estimated to consume 70 percent of the time and effort of building a data warehouse. But there hasn\'t been enough careful thinking about just why the ETL system is so complex and resource intensive.I think Everyone understands the three letters: You get the data out of its original source location (E), you do something to it (T), and then you load it (L) into a final set of tables for the users to query.The Ralph Kimball Group has been exposed to hundreds of successful data warehouses. Careful study of these successes has revealed a set of extract, transformation, and load (ETL) best practices.
.
What is bit stuffing in CAN messages- Why do we use it -SolutionBit st.docxtodd471
What is bit stuffing in CAN messages? Why do we use it ?
Solution
Bit stuffing is a provider for Error Handling when Transfer Layer instead of Physical Layer in Control Area Network (CAN).A Controller Area Network (CAN bus) is a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other in applications without a host computer. It is a message-based protocol, designed originally for multiplex electrical wiring within automobiles, but is also used in many other contexts.
It serves two purposes
In CAN bit Synchronization happens with an edge. So inserting an edge after 5 consecutive homogeneous bits ensures synchronization of all nodes. When the receiver is receiving homogeneous bits it will not understand whether it is reading the bit. so to avoid resulting Bit error Bit Stuffing is used.
.
What is a valid consideration for planning VLAN traffic across multipl.docxtodd471
What is a valid consideration for planning VLAN traffic across multiple switches? Explain in brief
What is a valid consideration for planning VLAN traffic across multiple switches? Explain in brief
What is a valid consideration for planning VLAN traffic across multiple switches? Explain in brief
Solution
A valid consideration for planning VLAN traffic across multiple switches is that, a trunk connection is affected by broadcast storms on any particular VLAN that is carried by that trunk.
.
What is a reasons for using layered protocols- What is one possible di.docxtodd471
What is a reasons for using layered protocols?
What is one possible disadvantage of using layered protocols?
Solution
Reasons for using Layered protocols:
1. Layering of protocols provides well-defined interfaces between the layers, so that a change in one layer does not affect an adjacent layer.
2. The protocols of a network are highly complicated and designing them in layers make their implementation more feasible.
Possible disadvantage of using Layered Protocol:
Each layer potentially puts overhead both in terms of information stored in protocol headers and processing time.
.
What is a single entry accounting system-Solution Single entry acco.docxtodd471
What is a single entry accounting system?
Solution
Single entry accounting system is considered as an incomplete system of recording financial transactions. Single entry system maintains only accounts of debtors, creditors and cash book Single entry accounting system is not based on concept of duality and thus is not self balancing. Chances of error are high. Single entry accounting system us generally used by small businesses as there are less formalities, simle to use and less expensive as compared to double emtry system. Single entry system requires less expertise. Single entry system is not preffered as it does not provide data for efficient planning to management, Less likely to detect threats and frauds and thus overall control suffers.
.
What impact does font selection have on readability-SolutionFont selec.docxtodd471
What impact does font selection have on readability?
Solution
Font selection plays a vital role in the readability. With different sizes and types of fonts we differentiate between headings, sub headings and the content of the paragraph.
We can even differentiate between the definition, explanation and example of a particular content in particular context.
For comfortable reading, we must always choose simple font like Times, Times New Roman,Calibri etc.
Fonts can also be used to display the content in artistic way. Usually these font types will be artistic and attractive look and feel but very complex when it comes to the point of readability.
In this manner font selection has various impact on readability.some are very simple and soothing which provide ease of readability and some are very complex it terms of readability.
.
What if Source One were to argue that it was merely an agent and was o.docxtodd471
What if Source One were to argue that it was merely an agent and was only responsible for gathering information... could Source One claim that its client is a principle, and therefore Source One is not responsible for the information request made by the client?
Solution
The attorney-client privilege has become one of the most complex
and therefore, litigated privileges.
1 This is due, in significant part, to the difficulties created by the concept of confidentiality.
2 From the creation and preservation of the privilege, to the development of the
facts to prove the legitimacy of the claim, the requirement of
confidentiality
3 has created time-consuming and costly responsibilities
for both litigants and judges.
4 In addition, confidentiality has been interpreted as imposing a superfluous secrecy requirement that has
generated conflicting decisions and practices.
.
What function does feedback play in the work of the manager and how do.docxtodd471
What function does “feedback” play in the work of the manager and how does accounting help the managers in this regard? Explain using examples to support your discussion.
Solution
Manager create value for employees in two ways. They remind employees of their value to the company. An employee gets motivation from manager\'s attitude and approach. Manager encourage employee feedback on any issue and let employees know that their opinions are taken seriously. Manager acts as the liaison between the executing staff and the employees.They create a dynamic workplace where employee feel that their opinions have vale to the company. This inspire employees to discover ways that are efficient to do their job.
Accouting help management in preparing financial data management, analysis and advice, financial report preparation, ensuring that all reporting deadlines are met.
.
What exactly is stress-What is the difference between so-calledSolutio.docxtodd471
What exactly is stress?  What is the difference between so-called
Solution
Stress is the physiological, psychological, emotional and behavioural response of a person seeking to adapt and adjust to internal and external pressures or demands. It is basically a physical survival response leading to a
.
What does the host portion of an IP address designate- A- The identi.docxtodd471
What does the host portion of an IP address designate?
A. The identity of the computer on the network
B. Which node on the subnetwork is being addressed
C. The network to which the host belongs
D. Which hosts the device can communicate with
Solution
A. The identity of the computer on the network
.
What effect would the contamination by the following impurities have o.docxtodd471
What effect would the contamination by the following impurities have on the melting point of benzoic acid?
a. sand
b. benzoin
c. broken glass
d. pieces of insoluble cork
e. water
f. acetylsalicylic acid
Solution
There would be no effect on melting point of benzene of
Sand
Broken glass
And pieces of insoluble cork as they can no way interact chemically.
In case of benzoin and water, due to significant hydrogen bonding, melting point of benzene increases
For the case of acetylsalicylic acid, it does not increase because the acid hardly interact and form bond due to its large size and stearic hindrance.
.
What does wave-particle duality of light mean- What are some of the ev.docxtodd471
What does “wave-particle duality” of light mean?
What are some of the evidence supporting the wave theory of light?
What are some of the evidence supporting the particle theory of light?
Solution
Wave particle duality means behavior or light both as particle as well as wave in different cases.
Photoelectric effect shows the particle nature of light in which light as a packet of photons incidents on a metal and it will eject a photon of energy less then that of incident photon.
Young\'s double slit experiment supports the wave nature of light in which interfere of coherent wave sources increase the amplitude and intensity of light. That shows that light have wave like property.
.
what does literal equation meanSolution 1- Accordi.docxtodd471
what does literal equation mean
Solution
1. According to the letter or verbal expression; real; not figurative or metaphorical; as, the literal meaning of a phrase. [1913 Webster] It hath but one simple literal sense whose light the owls can not abide. --Tyndale. [1913 Webster] 2. Following the letter or exact words; not free. [1913 Webster] A middle course between the rigor of literal translations and the liberty of paraphrasts. --Hooker. [1913 Webster] 3. Consisting of, or expressed by, letters. [1913 Webster] The literal notation of numbers was known to Europeans before the ciphers. --Johnson. [1913 Webster] 4. Giving a strict or literal construction; unimaginative; matter-of-fact; -- applied to persons. [1913 Webster] Literal contract (Law), a contract of which the whole evidence is given in writing. --Bouvier.
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What is a false positive and how could it be used to hide a real attac.docx
1. What is a false positive and how could it be used to hide a real attack?
Solution
False positives are alerts generated by an IDS because it thinks it has detected a valid attack
against a monitored system,but the attack really is not valid.False Positives are problems because
they create alert noise that can hide a real attack,and then can send you a wild goos chases for
attacks that never relly happened.
A False positive occurs when an IDS generates an alert on either
Network traffic that looks like an attack to the IDS,but isnot an attack.
A real attack that attack doesnot applyto the system being monitored.
A false negative is a real attack that was missed by the IDS, and therefore not alerted on.An IDS
might miss an attack because the attack is not one it recognizes,becuse the IDS overwhelmed or
because the attacker has successfully used a method of evading the IDS.
