1. ACCESS CONTROL
BY:
M.Vinay kumar
Department of Urban and Regional Planning,
School of Planning and Architecture,
Jawaharlal Nehru Technological University,
Hyderabad.

2. What is access
control….? control refers to exerting
Access
control over who can interact with a resource.
Often but not always, this involves an authority,
who does the controlling.
It be a door, turnstile, parking gate,
elevator, or other physical barrier where
granting access can be electronically
controlled.

3. AC- How do it secure us…
 Authentication
 Process through which one proves and verifies certain
information
 Identification
 Process through which one ascertains the identity of
another person or entity
 Confidentiality
 Protection of private data from unauthorized viewing
 Integrity
 Data is not corrupted or modified in any unauthorized
manner

4. How can AC be implemented?
 Hardware
 Software
 Application
 Protocol (Kerberos, IPSec)
 Physical
 Logical (policies)

5. Types of Access control…
 Physical access Security
 Computerized access control

6. Physical access…
 Access control system operation
 Credential
 Access control system components
 Access control topology
 Types of readers
Basic (non-intelligent) readers
Semi-intelligent readers
Intelligent readers
 Security risks

7. Computerized access…
 Identification and authentication (I&A)
Something you know
Something you have
Something you are
Where you are
 Authorization
Read (R)
Write (W)
Execute (X)

8. Contd…
 Accountability
 Access control models
 Attribute-based access control
 Discretionary access control
 Mandatory access control
 Role-based access control