ACCESS CONTROL BY: M.Vinay kumarDepartment of Urban and Regional Planning,School of Planning and Architecture,Jawaharlal Nehru Technological University,Hyderabad.
What is accesscontrol….? control refers to exerting Accesscontrol 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 wheregranting access can be electronicallycontrolled.
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
How can AC be implemented? Hardware Software Application Protocol (Kerberos, IPSec) Physical Logical (policies)
Types of Access control… Physical access Security Computerized access control
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
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)
Contd… Accountability Access control models Attribute-based access control Discretionary access control Mandatory access control Role-based access control