CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Classes of Network Abuse

December 7, 2009 · Posted in Information Security, Information Systems · Comment 

Class A

  • Unauthorized access through circumvention of security access controls
  • Masquerading, logon abuse (primarily internal attacks)

Class B – non-business use of systems

Class C

  • Eavesdropping
  • Active: Tampering with a transmission to create a covert signaling channel or probing the network
  • Passive – Covertly monitoring or listening to transmissions that is unauthorized
  • Covert Channel – using a hidden unauthorized communication
  • Tapping – refers to the physical interception of transmission medium (like splicing of cable) Read more

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CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Common Back-up Problems

December 3, 2009 · Posted in Information Security, Information Systems · Comment 

Common Backup Problems

  • Slow transfer of data to back-up
    • Retrieval time to restore
    • Off-hour processing and monitoring
  • Server disk space expands over time
  • Loss of data between last back-up
  • Physical security of tapes Read more

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CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Back-up Methodologies

December 2, 2009 · Posted in Information Security, Information Systems · Comment 

In information technology, a backup or the process of backing up refer to making copies of data so that these additional copies may be used to restore the original after a data loss event. These additional copies are typically called “backups.” The verb is back up in two words, whereas the noun is backup (often used like an adjective in compound nouns).

Backups are useful primarily for two purposes. The first is to restore a state following a disaster (called disaster recovery). The second is to restore small numbers of files after they have been accidentally deleted or corrupted. Data loss is also very common. 66% of internet users have suffered from serious data loss. Read more

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CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – The Responsibilities of CIRT aka Computer Incident Response Team

November 30, 2009 · Posted in Information Security, Information Systems · Comment 

What is CIRT?

CIRT (Computer Incident Response Team) is also commonly called CERT (Computer Emergency Response Team) – they are personnel responsible for coordinating the response to computer security incidents in an organization (Source: www.net.ttu.edu/security/policy_definitions.doc) Read more

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      nvd@nist.gov
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