For companies where security is vital and access to certain
areas must be controlled and monitored, there should be an access control system that allow companies to
manage and monitor all access points and locks, allowing for auditable security
and quick responses to any security breaches.
When we consider about Security the distinct ways are
Authentication, Authorization and Access Control.
Authentication
is any process by which you verify that someone is who they claim they are.
This can be of any method of demonstrating identity, such as a smart card,
retina scan etc. Authentication is equivalent to showing your drivers license
at the ticket counter at the airport.
Authorization
is finding out if the person, once identified, is permitted to have the
resource. This is usually determined by finding out if that person is a part of
a particular group, if that person has paid admission, or has a particular
level of security clearance. Authorization is equivalent to checking the guest
list at an exclusive party, or checking for your ticket when you go to the
opera.
Finally,
access control is a much more general way of talking about controlling access
to a resource. Access can be granted or denied based on the privillages granted
to him. Access control is analogous to locking the gate at closing time, or
only letting people onto the ride who are more than 48 inches tall - it's
controlling entrance by some arbitrary condition which may or may not have
anything to do with the attributes of the particular visitor.
Attendance
management:
Here, in our project we have used an
Biometric Finger Print Sensor, Keypad and a PIC Micro controller (PIC16F877)
for authentication of a person. A
computer that is connected to the micro controller unit determines the
authorization and Access control rights.
After The validation process is over,
The user will be allowed to enter the premises and his entry date and time is
marked into the database. Using Vb software we can generate reports like how
many days the staffs are present and much more.
All user access information is gathered
by a central PC-based workstation where the administrators can retrieve and
analyze the information.
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