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Which authentication methods support biometric security devices?
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∙ 14y ago
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∙ 14y ago
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Where did the word technology come from?
the word technology comes from GREEK word Techne means "ART" and Logy means "to talk about something". The specific methods, materials and devices used to solve problem is called technology.
Explain three different methods in java?
There are three different methods /functions in java are there : 1)computational methods.2)manipulative methods.3)procedural methods.
Is it possible to override overloaded methods why?
Yes. Overloaded methods are also Java methods and all Java methods can be overridden.
Can instance methods replace class methods in programming?
No. never. An instance method cannot replace a class method because: Instance Methods - are normal methods that are linked to a class object instance Class Methods - are static methods that are not linked to any class object. These methods are not interchangeable and will create too many issues if we try to use one in place of the other.
Where is pawsitive methods?
Pawsitive Methods is located in California, USA.
What is biometric authentication methods?
Biometric authentication - is using something like a fingerprint scanner to verify a persons identity. These devices are used in high-security areas such as a power stations control room, so that only those people who are authorised to work there actually get into the building.
What is true about biometrics as an authentication method?
computer scientists are always trying to improve biometric authentication methods
What are methods of computer security?
Access Control Systems. Authentication. Multi-factor authentication Authorization. Firewalls and Internet Security. Intrusion prevention system. Intrusion detection system.
What is a type of attack where an intruder is able to forge a biometric sample?
Methods used to successfully forge biometric input have included using a jelly copy of a finger with the fingerprint embedded on it and using a photograph of an individual in place of their face for a facial scan. The better biometric devices will incorporate methods to prevent these types of methods from succeeding, but both these two methods and others have been demonstrated as still working on some biometric authentication devices still on the market. There is also the potential problem of "splicing". Some formats for smart cards sign each piece of information separately, so an attacker can steal the legitimate signed identity of another user and splice it into his own biometric information. To combat this, better smart cards sign the entire set of data including both the user identity and their biometric information.
What is a A type of attack where an intruder is able to forge a biometric sample?
Methods used to successfully forge biometric input have included using a jelly copy of a finger with the fingerprint embedded on it and using a photograph of an individual in place of their face for a facial scan. The better biometric devices will incorporate methods to prevent these types of methods from succeeding, but both these two methods and others have been demonstrated as still working on some biometric authentication devices still on the market. There is also the potential problem of "splicing". Some formats for smart cards sign each piece of information separately, so an attacker can steal the legitimate signed identity of another user and splice it into his own biometric information. To combat this, better smart cards sign the entire set of data including both the user identity and their biometric information.
Is a biometric device a input or output device?
Most biometric devices would be input devices although they may also utilize storage devices and output devices in their functioning. A biometric device usually takes in biometric information about a person and compares it to information stored in a database - much like username/password methods of authentication compare the username and password to the stored information for a user. Fingerprint scanners, read the fingerprint, convert it to a data stream and then compare it to the stored data previously recorded for the individual, retinal scanners read information about the retinal patterns of a user, convert it to data and compare it to stored data, etc. Note that biometric devices must rely on a storage device, but usually the storage device is not part of the biometric device. Instances of OUTPUT associated with a biometric device might be a signal to open a door or trigger an alarm, but again, the output usually comes from another device that the biometric device is connected to.
What is the most important disadvantage of using biometric devices to authenticate a person for access to a system?
Error rates are a possible candidate for most important disadvantage, though to varying degrees depending upon the specific authentication method. Higher sensitivity authentication methods increase the likelihood of false rejection, whereas lower sensitivities increase the likelihood of false acceptance.The error rate of any given biometric authentication device can be broken down into the following categories:False Acceptance Rate - FARFalse Rejection Rate - FRRFailure To Enrol Rate - FTE/FERBeing erroneously denied access to your banking information might be preferable to erroneously allowing someone else access, but neither scenario is desirable. Few systems with less than a 1% error rate are currently in existence.Providing multiple/backup authentication methods increases the likelihood of an exploit or vulnerability, compromising security by trading FER for FAR/FRR.In short, False Negatives and False Positives are the most important disadvantages.
What is the benefit of 2 factor authentication?
Two-factor authentication is a security measure that requires a user to enter two methods of identification. The benefit of two-factor authentication is reducing identity theft and online fraud.
Is a Biometric device an input output or storage device?
Most biometric devices would be input devices although they may also utilize storage devices and output devices in their functioning. A biometric device usually takes in biometric information about a person and compares it to information stored in a database - much like username/password methods of authentication compare the username and password to the stored information for a user. Fingerprint scanners, read the fingerprint, convert it to a data stream and then compare it to the stored data previously recorded for the individual, retinal scanners read information about the retinal patterns of a user, convert it to data and compare it to stored data, etc. Note that biometric devices must rely on a storage device, but usually the storage device is not part of the biometric device. Instances of OUTPUT associated with a biometric device might be a signal to open a door or trigger an alarm, but again, the output usually comes from another device that the biometric device is connected to.
What are the login authentication methods in sql server 2005?
SQL Authentication Windows Authentication (Domain)
What are the disadvantages of biometric login?
Biometric login can have a few drawbacks. There is an assumption that a person's biometric information cannot be "faked" but biometric experts will tell you that most biometric login methods can be defeated given enough time and resources. Some biometric characteristics change change for a person due to illness or even weather conditions, resulting in an authorized user being denied access. If it is voice - a cold can alter the voice. Injuries to hands can mess up fingerprints, infections can alter iris and retina patterns. Biometric readers can also become damaged and fail to properly authenticate a user. The damage can be so subtle that it cannot be easily detected. As a result of these potential problems it is generally not a good idea to rely exclusively on biometrics for login authentication. It is better to have it as one possible method or as part of a multi-factor authentication.
What is biometric system?
Biometrics is a methods of recognizing a person by behavioral characteristic.
