By Jason Miller
Sept. 19, 2007
The Defense Department is testing a process to automate system
vulnerability collection data from across the services and military
The Security Content Automation Protocol  (SCAP) eventually will use
Web services and a service-oriented architecture to scan as many as 1
million information technology assets to manage vulnerabilities and deal
with possible threats.
SCAP will help DOD, and eventually other agencies, examine how security
content automation will help achieve compliance with the Federal
Information Security Management Act and other cybersecurity directives
and improve overall IT security.
"The pilot using the SCAP protocols will give us more advanced
capabilities and optimize current business practices," said Ryan Larson,
of the National Security Agency's systems information assurance systems
engineering office. "We want to develop plans to implement Web services
to expose network defense data enterprisewide."
The Army tested about 30,000 assets, which gave the service a better
understanding of what was vulnerable and what was safe, DOD officials
said today at the National Institute of Standards and Technology
Security Automation Conference.
DOD and other agencies face a number of issues in automating
vulnerability data. For example, the Army found that officials defined
systems, hardware and software differently. Officials also said they
found that sometimes people didn't report important incidents or
potential problems because they didn't think they were important.
Through this SCAP effort, officials say this will change.
Joe Wolfkiel, chief of DOD's computer network defense research
technology office, said his group is developing a data exchange model to
help deal with taxonomy issues.
"We had to set up the constructs of what information the network
defender cares about and then build the SCAP standards around that," he
The data exchange model eventually will use Web services to obtain data
from five areas of the network:
* Assets -- what is connected to the network.
* Vulnerabilities -- which platforms, hardware and software have
potential problems and the severity of those problems.
* Events -- where vulnerabilities happen on the network in basic
* Incident -- what happened, who caused it and what assets was it
* Threats -- how they negatively affected the network.
Wolfkiel said that when the testing is done, DOD will turn over the data
exchange model and lessons to NIST to figure out if the agency should
take this governmentwide.
"NIST can decide to define the schemas and publish them as Web services
so we can all use the same thing," he said.
Margaret Myers, DOD's deputy chief information officer, said the SCAP
work will have the biggest effect on a common vocabulary.
"Once you do that, then you can tag and expose the data and use Web
services to give access across the department," she said. "Then people
will understand what the data means and how they can improve their cyber
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