• Mandatory access controlsMandatory access controls

    PROS AND CONS OF MAC Pros: Provide a high degree of protection – in a way of preventing any illegal flow of information. Suitable for military types of applications. Cons: Not easy to apply: require a strict classification of subjects and objects into security levels. Applicable for very few environments.

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  • Cryptography & Key Exchange ProtocolsCryptography & Key Exchange Protocols

    Summary - Cryptography-related concepts (symmetric/asymmetric techniques, digital signatures, PKI, ) - Key channel establishment for symmetric cryptosystems - Perfect encryption - Dolev-Yao threat model - Protocol “message authentication” - Protocol “challenge-response“ - Public-key cryptosystems

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  • Trust-Based Privacy Preservation for Peer-to-peer Data SharingTrust-Based Privacy Preservation for Peer-to-peer Data Sharing

    Conclusion A trust based privacy preservation method for peer-to-peer data sharing is proposed It adopts the proxy scheme during the data acquirement Extensions Solid analysis and experiments on large scale networks are required A security analysis of the proposed mechanism is required

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  • Sensors and Wireless Communication for Medical CareSensors and Wireless Communication for Medical Care

    Measures of Safety and Security Number of incidents per day in patient room, ward, or hospital. Non-emergency calls to nurses and doctors due to malfunctions, failures, or intrusions. False fire alarms, smoke detectors, pagers activation. Wrong information, data values, lost or delayed messages. Timeliness, Accuracy, Precision.

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  • Digital rights managementDigital rights management

    DRM in the Enterprise Protect certain types of private information. Example The Health Insurance Portability and Accountability Act(HIPAA) requires that companies protect personal medical records. The Sarbanes-Oxley Act(SOA) requires that companies must preserve certain documents, such as information that might be relevant to “insider trading” ...

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  • Secure DBMS designSecure DBMS design

    Oracle Objects are databases, tables, views, etc. Operations: Select, Insert, Update, Delete, Alter, Index and Reference on tables. Select, Insert, Update and Delete on views. Execute privilege on procedures. Grant option is available.

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  • Authentication And Threats and Attacks to information security, polices and lawsAuthentication And Threats and Attacks to information security, polices and laws

    Social engineering is the name given to a category of security attacks in which someone manipulates others into revealing information that can be used to steal data, access to systems, access to cellular phones, money,or even your own identity. Social engineering is the acquisition of sensitive information or inappropriate access privileges by an ...

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  • Bài giảng Information Systems Security - Chapter 4: Cryptography & Key Exchange ProtocolsBài giảng Information Systems Security - Chapter 4: Cryptography & Key Exchange Protocols

    Summary  Cryptography-related concepts (symmetric/asymmetric techniques, digital signatures, PKI, )  Key channel establishment for symmetric cryptosystems  Perfect encryption  Dolev-Yao threat model  Protocol “message authentication”  Protocol “challenge-response“  Public-key cryptosystems

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  • Bài giảng Bảo mật hệ thống thông tin - Chương 3: Điều khiển truy cập bắt buộc (MAC)Bài giảng Bảo mật hệ thống thông tin - Chương 3: Điều khiển truy cập bắt buộc (MAC)

    User Access  A user can only access data within the range of his or her own label authorizations  A user has:  maximum and minimum levels  a set of authorized compartments  a set of authorized groups  a specification of read-only access (or read/write) access for each compartment and group  How to map user label and data label?

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  • Bài giảng Information Systems Security - Chapter 2: Introduction to DACBài giảng Information Systems Security - Chapter 2: Introduction to DAC

    DAC & INFORMATION FLOW CONTROLS  Inherent weakness of DAC: Unrestricted DAC allows information from an object which can be read by a subject to be written to any other object  Bob is denied access to file A, so he asks cohort Alice to copy A to B that he can access  Suppose our users are trusted not to do this deliberately. It is still po...

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