Assurance is the Reason to Trust
We want to trust that the measures we take to protect our information systems are working. But we need concrete reasons to hold that trust. We need proof that our…
Computer Security
Security Metrics
It is a mantra of quality improvement methodology that you can’t manage what you don’t measure. Security metrics are the measurements that allow management of information security. As function and…
Overlays of Tailored Security Controls
Tailoring security controls involves adapting the generic baseline sets of security controls to better fit a specific operating environment. Here is a list of tailoring activities: Once tailoring changes have…
Tailoring Security Controls
The NIST Risk Management Framework (RMF) is a six step process as follows: The second step begins with selecting a baseline of controls. This is done automatically, according to the…
Supplementing Controls
After the baseline of security controls have gone through the tailoring process of: scoping guidance, compensating controls and organizationally defined parameters, it is possible that additional controls or enhancements may…
Categorization and Baseline Selection
Categorization is the process of selecting an Impact Level according to FIPS 199, which is a public law and must be adhered to. FIPS 199 sets three impact levels of…
Computer Security Risk Assessment
Risk assessment is the process of analyzing threats to an information system and known vulnerabilities to determine the likelihood and impact of some anticipated loss. This risk analysis can then…
System Development Life Cycle (SDLC) Framework
The SDLC framework is a multi-step outline that describes the life cycle of an information system. The five phases of the SDLC are: Security that is integrated into this life…