Discuss aout the Liveness Detection for Biometric System.
CIA triad is nothing but a model which provides three main goals which are needed for achieving information security (Bakar et al., 2018). CIA triad goal of confidentiality is considered to be more important than any other kind of goal in situation when the value of information is depended on limiting its access. Confidentiality is mainly ensuring that various kinds of sensitive information are only accessed by an authorized people and it kept away from those who are not authorized to access it. It is generally implemented by making use of security mechanism like username, access control list (ACLs) and various kinds of encryption (Bhagavatula et al., 2015). It is considered to be common for some kinds of information which is mainly categorized as per the extent of damage which can be done during unintended hands. Then after that security measures can be easily implemented as per the needs. For example, confidentiality of information is generally considered to be more important than any other parameter like priority information of an organization. Also confidentiality is considered to be most important when information is recorded from various kinds of personal activities. For providing guarantee of confidentiality under triad of CIA, communication channel should be monitored and controlled easily for preventing any kind of authorized access.
Integrity mainly ensures that information is provided in a format which is considered to valid and original to purpose (Choi, Lee & Yoon, 2016). The receiver of this kind of information must have information regarding which creator must have. Information can be easily edited by any kind of authorized persons only and it remains in original state when it is considered to be rest. Integrity can be easily implemented by making use of security mechanism like data encryption and hashing (Deokar, & Wakode, 2017). In many cases it is seen that changes in data is seen as a result of non-human caused events like electromagnetic events like electromagnetic pulse (EMP) or even cases of server crash. It is important to note that back up procedure and redundant system works in place for data integrity (Dere, Gurjar & Sipna, 2016). CIA goal of integrity is considered to be important than other kind of goal in situation of financial information. Any kind of changes in financial records may lead to various kinds of issues of consistency. For example, banks are more concerned about the integrity of financial records while for them confidentiality is taken on second priority. In some cases, it is seen account holders or depositors leave various kinds of ATM receipt unchecked (Dere, Gurjar & Sipna, 2016). This mainly ensures that confidentiality is taken on high priority. Instead of that goal of integrity is considered to be most important in case of information security in the case of banking system. For providing guarantee of integrity under CIA triad, proper kind of information should be protected any kind of unauthorized modifications.
Availability ensures that various kinds of information and resources are made available to large number of business owners who badly need them (Farooq et la., 2015). It mainly focuses on implementation of large number of methods like maintenance of hardware, patching of hardware and optimization of network. Various kinds of process like failover, high-availability, redundancy and clusters are used for mitigation or overcoming of serious kinds of consequences when various kinds of hardware issues occur (Fernandez & Alexander, 2016). Various kinds of dedicated devices are generally used for guarding against downtime and unreachable data due to various kinds of malicious actions. It also focuses on the use of distributed denial of services (DDoS) attacks. CIA triad goal of availability is considered to be much more important than any other kind of goal when government generate online press releases are involved in it. Press release are generally considered to be important for public consumption (Hadid et al., 2015). For them to them to be properly effective in nature the information contained by them are made available to public. So in this case confidentiality is not a matter of concern while integrity is considered on the second priority. In the domain of CIA triad, for providing guarantee availability of information related to press release government mainly checks that their website and system have minimum kind of effect on public information.
Maximum number of pins which this thief can enter before proper discovery of actual pin number can be calculated by the help of permutation technique from mathematics. The total number of keypad of an ATM machine is ten that is zero to 10. Now the situation provided in the question is that the thief has broken five keys so more five number of keys will be available to him for making inputs. The pin number of a ATM machine is generally made of four numbers. Therefore, after damaging the five keys four-digit pin number can be entered by left five keys which is available to him. This situation can be calculated by permutation from mathematics.
5P4 = 5! / (5-4)! = 5! /1! = 5*4*3*2*1/ 1 =120/1 =120.
So total number of outcomes from the calculation is 120. On the contrary as per the ATM security an individual can easily enter pin for a maximum value of three. After providing three inputs the ATM card gets blocked. So considered the situation of ATM machine the maximum number of times in which an individual can enter pin is three. On the contrary after three trials made by the card the card will be blocked automatically.
There are many kinds of advantages which can be obtained by the use of biometric. On the contrary a large number of issues can be faced during the usage (Haque, Nasrollahi & Moeslund, 2015). The main three reason which is taken to be reluctant for the usage of biometric are
Multifactor authentication is well known term in biometric in which large number of problems are encountered (Jain, Nandakumar & Ross, 2016). In this method authentication is mainly done by the help of name, password and lastly fingerprint. Multi-factor authentication generally adds a layer of security which provides various kinds of organization to provide protection against data breach like compromised credentials. Users generally provide some kinds of extra information regarding corporate application, servers and other kinds of network. Multifactor authentication generally considered to be combination of following factors like username, password, pin and lastly security questions (Jain, Jain & Kapil, 2016). With large number of credentials taking into account password based security is considered to be longer effective. Multiple factor authentication (MFA) generally needs multiple methods for identification and it is generally considered to be best method for preventing authorized users from easily accessing the data of corporate.
Team of biometric works in gradient organization for more than ten years and also achieved a lot of success in this domain (Lippi et al., 2017). According to this particular organization that is gradient three important aspects must be taken into consideration that is comfort, safety and lastly availability of an individual. Access to particular kind of database is mainly provided to user when they require any kind of information. In many situations it is observed that linkage between access and information generally fails and this does not allow them to easily patch to have an access to it.
A large number of problems can be encountered in biometric so it focuses to be secure and trustworthy in many situations (Lumini & Nanni, 2017). There are some kinds of issues which are encountered in biometric that are rouge sensors and various kinds of unauthorized kind of access, establishment of communication between different sensor, speed, cost and lastly issues related to privacy.
False negative can be defined as a situation in which a user cannot get access to location of biometric (Mosenia & Jha, 2017). In many situations it is seen that although identity of person is stored is the database but no kind of access is provided to him due to any kind of technical fault. In many cases it is observed that false identity person gets identity which may result in cases of miss identity. In the first case it is observed that identity of an individual in unknown (Sagar et al., 2015). It may result in creation of issues and it can easily restrict an individual form performing a large number of activities. In the second case it is observed that concept or identity of a person is generally taken to be loss of identity of a person. Other person can easily make use of identity and is mainly involved in some kind of legal activities. On personal level it is observed that owner of a safe is prevented from using or accessing it (Onuchowska & de Vreede, 2018). On the level of institution, it is observed that entire infrastructure is shut down and the organization needs to restore the various kinds of services. It may result in losing of thousands of dollars for an organization along with reputation which is associated with it. In some of the cases it is observed that a particular staff member of a firm has collapsed due to some disease like cardiac arrest, at that particular time it is observed biometric system can fail to recognize another person who reaching to that patient for help.
Biometric system is mainly used for having various kinds of notes regarding login and logout time biometric are also used for authentication and validation. Biometric system is considered to be useful for regarding analyzing the precise time of a person (Pagnin & Mitrokotsa, 2017). In many cases it is seen that CCTV have failed to provide information regarding the activities of a person like login and log out then biometric can be considered to be effective for analyzing this particular situation (Russell & Chow, 2017).
Two common terms are encountered in biometric that is false matching or false no match. FM and FNM are taken to new kind of terms in which match process is established by live sample and biometric template. A false match is encountered in when the provided sample is matched incorrectly with template with is provided to him (Qizi, 2015). On the contrary a false negative occurs when a given sample is matched incorrectly with the template provided in the database.
Transposition cipher works by arranging the various kinds of orders of a letter for hiding the message which is being sent (Shubhangi et al., 2016). But in simple substitution of cipher that is Caesar Cipher the letter of the message is switched around. In this technique, simple kind of data encryption is mainly changed plain text character followed by some kind of regular pattern for forming cipher text.
Substitution cipher are considered to be most common type of cipher. It mainly works by replacing each letter of the plaintext with another kind of letter. A monoalphabetic substitution cipher is known to be simple substitution cipher which totally depends on the structure. In this method substitution is fixed for each and every letter of the alphabet (Wayman et al., 2015). For example, if “a” is encrypted as “R” then every time we come across “a” in the plaintext we replace it with letter “R” in the cipher text.
References
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