The Science, Engineering, and Business of Cyber Security
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1 Institute for Cyber Security The Science, Engineering, and Business of Cyber Security Prof. Ravi Sandhu Executive Director, Institute for Cyber Security Lutcher Brown Endowed Chair in Cyber Security University of Texas at San Antonio IIT Roorkie, Cognizance 2014 March 21, Ravi Sandhu 1
2 Cyber Security Status MicroSecurity Not too bad About as good as it is going to get Criminals can only defraud so many Big government/big business are real threats MacroSecurity New arena for researchers Highly asymmetric, includes offense, clandestine Dual goals: strong offense, strong defense Cyber should be controllable Nuclear, chemical, biological have been controlled Ravi Sandhu 2
3 Perennial State of Cyber Security Micro-security Macro-security Ravi Sandhu 3
4 21 st Century Cyberspace 2010 US Department of Defense epiphanies A new domain akin to land, sea, air and space Have and use offensive cyber weapons Malware penetrations in highly classified networks Consumerization of cyberspace Anytime, Anywhere, Anything BYOD: Bring your own device BYOC: Bring your own cloud Entanglement of cyber-physical-social space Just starting Ravi Sandhu 4
5 Cyber Security Goal Enable system designers and operators to say: This system is secure Not attainable There is an infinite supply of low-hanging attacks Ravi Sandhu 5
6 Cyber Security Goal Enable system designers and operators to say: This system is secure Not attainable There is an infinite supply of low-hanging attacks Alternate goal: This system is as secure as possible More secure is always better Not appropriate Ravi Sandhu 6
7 Cyber Security Goal Enable system designers and operators to say: This system is secure enough Many successful examples Mass scale, rather low assurance ATM network, On-line banking, E-commerce One of a kind, extremely high assurance US President s nuclear football Ravi Sandhu 7
8 Cyber Security Goal Enable system designers and operators to say: This system is secure enough Many successful examples Mass scale, rather low assurance ATM network, On-line banking, E-commerce One of a kind, extremely high assurance US President s nuclear football Engineering Science Business Ravi Sandhu 8
9 Cyber Security Ecosystem Science explains the cause of observed phenomenon Science Engineering Distinguishing Characteristics of Cyber/Cyber Security Cyberspace is an entirely man-made domain Evolves rapidly and unpredictably Validation primarily with respect to future systems Business Ravi Sandhu 9
10 Cyber Security Ecosystem Science explains the cause of observed phenomenon and enables better construction of future systems Science Engineering Distinguishing Characteristics of Cyber/Cyber Security Cyberspace is an entirely man-made domain Evolves rapidly and unpredictably Validation primarily with respect to future systems Business Ravi Sandhu 10
11 Scientific Method: Natural Sciences Hypothesis Prediction Experimentation Prediction Confirmed Prediction Falsified Hypothesis Law Reject Hypothesis Ravi Sandhu 11
12 Scientific Method: Natural Sciences Paradigms Hypothesis Prediction Experimentation Prediction Confirmed Prediction Falsified Hypothesis Law Reject Hypothesis Ravi Sandhu 12
13 Heliocentric versus Geocentric Ravi Sandhu 13
14 Epicycles Ravi Sandhu 14
15 Circles versus Ellipses Ravi Sandhu 15
16 Scientific Method: Cyber Sciences Science explains the cause of observed phenomenon and enables better construction of future systems Paradigms Hypothesis Prediction Experimentation Prediction Confirmed Prediction Falsified Hypothesis Law Reject Hypothesis Ravi Sandhu 16
17 Science Quadrants Utility H Edison Pasteur Fundamental Understanding L junk Bohr H Donald Stokes, 1997 Pasteur s Quadrant: Basic Science and Technological Innovation L Ravi Sandhu 17
18 Cyber Science Quadrants Utility H Jobs Cerf-Kahn Fundamental Understanding L junk Turing H L Ravi Sandhu 18
19 Cyber Security Quadrants Utility H???? Fundamental Understanding L junk?? H L Ravi Sandhu 19
20 Access Control Decomposition Policy Specification Policy Enforcement Policy Administration Ravi Sandhu 20
21 Access Control Decomposition Policy Specification Policy Enforcement Policy Reality Policy Administration Ravi Sandhu 21
22 Access Control Discretionary Access Control (DAC), 1970 Mandatory Access Control (MAC), 1970 Role Based Access Control (RBAC), 1995 Attribute Based Access Control (ABAC),???? Ravi Sandhu 22
23 Access Control Discretionary Access Control (DAC), 1970 Mandatory Access Control (MAC), 1970 RBAC can be configured to do MAC or DAC Role Based Access Control (RBAC), 1995 Attribute Based Access Control (ABAC),???? Ravi Sandhu 23
24 Access Control Fixed Policy Discretionary Access Control (DAC), 1970 Mandatory Access Control (MAC), 1970 Role Based Access Control (RBAC), 1995 Flexible Policy Attribute Based Access Control (ABAC),???? Ravi Sandhu 24
25 Access Control Human Driven Discretionary Access Control (DAC), 1970 Mandatory Access Control (MAC), 1970 Role Based Access Control (RBAC), 1995 Automated Adaptive Attribute Based Access Control (ABAC),???? Ravi Sandhu 25
26 Access Control Discretionary Access Control (DAC), 1970 Mandatory Access Control (MAC), 1970 Messy or Chaotic? Role Based Access Control (RBAC), 1995 Attribute Based Access Control (ABAC),???? Ravi Sandhu 26
27 Perennial State of Cyber Security Micro-security Macro-security Ravi Sandhu 27
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