1 Information Security Standards Gary Gaskell © 2001
Gary Gaskell, 3 May Contents u Overview of security standards u Type of standards u List of standards u Quick insight to each standard u Conclusions
Gary Gaskell, 3 May Types of Standards u Risk based u Management u Technical u Lightweight u Thorough u System-wide focus u Product focus u Assurance based u Prescriptive controls u Checklists
Gary Gaskell, 3 May Security Standards - Pick One! u AS/NZS 4444 (BS 7799, ISO 17799) u US TCSEC (Rainbow series) u ITSEC (Europe) u Common Criteria (ISO 15408) u IETF Site Security Handbook (RFC 2196) u Vendor handbooks and checklists, B.S.I., SANS u Website certification services u SAS-70
Gary Gaskell, 3 May AS/NZS 4444 u Information Security Management Standard u Part u Part u JANZAS u Based BS7799 u BS7799 based on industry - Shell Oil etc
Gary Gaskell, 3 May AS 4444 u Good internal security management u Information Security Management System u Explicit Target - trusted interconnection u Catalogue of controls u Recommended baselines u Risk based assessments
Gary Gaskell, 3 May AS4444 Controls u Security policy u Asset classification and control u Physical and environmental security u Access control u Business continuity management u Security organisation u Personnel security u Communications and operations management u Systems development and maintenance u Compliance
Gary Gaskell, 3 May TCSEC u Trusted Computer Security Evaluation Criteria u US Government specification u “Orange book” and “Raindbow series” u Origin of C2, B1, B3 etc u Functionality & Assurance tightly coupled u Superceded by still in use
Gary Gaskell, 3 May ITSEC u Information Technology Security Evaluation Criteria u UK, France, Germany & The Netherlands u Used by Australia u System and product use u prod.html u Superceded but still in use
Gary Gaskell, 3 May Common Criteria u Common Criteria for Information Technology Security Evaluation u ISO (CC v 2.1) u Merge of TCSEC & ITSEC u Emerging standard u Assurance level separate from functionality level u Mutual recognition agreement - 13 countries
Gary Gaskell, 3 May RFC 2196 u IETF Site Security Handbook u Developed by CERT/CC of the CMU u Response oriented u Good practical advice u Explicit about system hardening and patch installation
Gary Gaskell, 3 May Vendor Checklists u SGI u Compaq/Digital u Sun Microsystems (Blue prints) u AIX (redbooks) u Microsoft u Apache u Oracle
Gary Gaskell, 3 May Vendor Checklists - Continued u Explicit and specific u Good for specification in designs or outsourcing u “how to” oriented u Sometimes too light
Gary Gaskell, 3 May Third Party Vendor Checklists u AusCERT/CERT Unix security checklist u Windows NT 4 NSA/Trusted Systems checklist ( u Windows 2000 security checklist ( u Books - e.g. Practical Unix and Internet Security - Spafford & Garfinkel
Gary Gaskell, 3 May BSI u Bundesamt fuer Sicherheit in der Informationstechnik u u IT Baseline Protection Manual u More practical than other government attempts
Gary Gaskell, 3 May SANS u System and Network Security u u Advice on policy and controls u training (& certification ?) u Checklists u Vulnerability service
Gary Gaskell, 3 May Website Certification Programs u TruSecure (ICSA/TruSecure) u Web trust u beTRUSTed (PwC) u SysTrust (AICPA) u Others?
Gary Gaskell, 3 May SAS-70 u Statement on Auditing Standards u American Institute of Certified Public Accountants u Formal Audit Standard - background of financial audits u Two levels 8Type I - inspections of key area 8Type II - testing of effective of controls
Gary Gaskell, 3 May Miscellaneous u IS 18 - Qld Government u VISA - security for merchants sites u NIST - FIPS 102 u US - HIPAA u OECD - Guidelines for the Security of Information Systems u ISO Guidelines for the Management of IT Security
Gary Gaskell, 3 May Miscellaneous - continued u System Security Engineering Capability Maturity Model (SSE-CMM) - International Systems Security Engineering Association (ISSEA) u CoBIT - “IT Governance” - AICPA
Gary Gaskell, 3 May Conclusions u Great choice of standards u None are a full solution