21st Century Cyber Security Challenges

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1 21st Century Cyber Security Challenges A Perspective From Large-Scale Global Enterprise M. Huang The Boeing Company BOEING is a trademark of Boeing Management Company. Huang, FORWARD, 2008

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8 Real-life Threats - Transaction Level Security MM SQL Database: Accounts, Auctions, Tracking, State Preservation E-Bay R R Anon. E-Bay 56,000 CC# Names, IP addresses PayPal R PayPal $$$ R randomised proxy/relay

9 The Challenges

10 Today s Comprehensive Information Assurance Solutions

11 The Old Paradigm: Castle, Moat and Draw Bridges Current network security models medieval castle construction Hardened wall around the enterprise A few strongly fortified access points Little protection on the inside Castles began as simple walls with one gate Evolutionary design led to more complicated walls, complex gates and intricate defense mechanisms These evolutionary improvements were no match for revolutionary technologies like gunpowder

12 Volume Challenge Volume E-commerce, distributed collaboration, virtual enterprise, WWW, etc. generating large traffic volumes New network technologies - ATM, Internet-2, NTON, VOIP, video on demand CPU intensive tasks such as virus checking and intrusion detection sensors will not keep up Huge Traffic Increase e.g. Corporate WWW Servers Faster Networks NGI, ATM, etc.

13 Variety Challenge Increase in number and complexity of protocols Expanded practices of protocol wrapping Increase in services, some transparent Telnet HTTP SMTP SecIOP XVNEWS IOS FTP JavaScript IIOP Active X SNMP SSL X Windows DNS Java

14 Visibility Challenge Increased use of encryption prevents data from being examined for viruses prevents TCP port and protocol information from being used in system management, intrusion detection and other tools No real knowledge of packet contents????????

15 Current Practices Information security as final add-on Black boxes IA engineering processes? (parts) = total?

16 The Pathetic Reality of Security Build Build Build Hack Hack Hack Fix Fix Fix

17 Enabling Security Build Business Paradigm Shift Hack Hack Fix Enabling Security

18 The Inevitable/Driver (s) and the Collision (s) Enabling technology factors. E.g.: Pervasiveness Bandwidth Mobility/wireless Storage Integration Collisions of the inevitable (s), social factors & new paradigms Computation Value proposition Business processes Society & human life Security Challenges!

19 New Challenges Example User/SW Authentication Biometric Authentication Multi-modal Smart Cards, Tokens X.509 Digital Certificate Public Key Infrastructure Data/Communication Protection Data Encryption Opaque Tunneling Vulnerability Assessment Risk Management Data Separation Business Policies & CM Infrastructure (Protection & Architecture) Intrusion Detection (Network, Host) & Response Firewall, VPN, Intelligent Gateway, Multi-Level Security Wireless, Pervasive Computing System Management, QoS Satellite Communication, Grid Computing

20 Authorization Policies (Axioms) Mechanical engineers who are citizens have access to privileged engineering information Interns have no access to any information Supervisors have access to secret information Any one with access to secret information has access to both privileged and confidential information Technicians have access to privileged information only if they have clearance CEO cannot be auditor

21 Authorization Formal Policy & Complexity ( x) ( ) (M(x) C(x) ( ) A (x, )) ( x) ( ) (I(x) ( ( ) ( ) ( )) A (x, )) ( x) ( ) (S(x) ( ) A (x, )) ( x) ( ) ( z) ( ( ) A (x, ) ( (z) (z)) A(x,z)) ( x) ( ) (T(x) ( ) A (x, ) Cl(x) ( x) (C(x)) A (x) ( x) (A(x)) C (x)

22 The Complexity of Authorization User U 2 Res Resource

23 Complexity Decomposition Entitlements & Roles User U 2 Ro Role Ro 2 Res Resource

24 Closed-Loop Security & OSI Layers Business Policies Regulations/Laws Business Processes Administration Policies Role User Resource U 2 Ro (User Assignment) Ro 2 Res (Authorization) Audit Detection & Analysis Risk Analysis & Management

25 Security in Context, or Not? Process Service CAD Messaging Backbone E-Business Portal Application Resource

26 END

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