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State of the Practice of Computer Security Incident Response Teams ...

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Up until this point, only one or two European security experts had attended <strong>the</strong> annual CSIRT<br />

conference, which at that time was still being organized and hosted by <strong>the</strong> CERT/CC. 16 This<br />

began to change in 1992, particularly in <strong>the</strong> European research networks. As <strong>the</strong> number <strong>of</strong><br />

hosts on <strong>the</strong> various European networks began to climb past 10,000, <strong>the</strong>re was more need for<br />

computer and network security. As more incidents took place, those with an understanding <strong>of</strong><br />

<strong>the</strong> CSIRT concept began to look for ways to work toge<strong>the</strong>r. In 1992 a working group organized<br />

by <strong>the</strong> Association <strong>of</strong> European Research Networks reviewed <strong>the</strong> situation. There was<br />

agreement that CSIRT efforts in each national research network would bring a real benefit. It<br />

was expected that each European team would cooperate with <strong>the</strong> o<strong>the</strong>rs by sharing responsibilities<br />

for communicating new vulnerabilities and security developments when <strong>the</strong>y affected<br />

all teams, but that each particular team would concentrate on its own constituent community.<br />

This concept, to concentrate on one particular constituency but collaborate with o<strong>the</strong>r CSIRTs<br />

and security experts, is one <strong>of</strong> <strong>the</strong> key unchanged principles <strong>of</strong> <strong>the</strong> CSIRT community today.<br />

As a result <strong>of</strong> <strong>the</strong> European working group, various national research networks started <strong>the</strong>ir<br />

own projects to establish CSIRTs for <strong>the</strong>ir organizational constituencies. As was common in<br />

this arena, teams were established along different guidelines and <strong>of</strong>fered different services<br />

based on <strong>the</strong> needs <strong>of</strong> <strong>the</strong> community. Examples <strong>of</strong> two different types <strong>of</strong> teams that were<br />

established within <strong>the</strong> European research community are CERT-NL and DFN-CERT.<br />

• The SURFnet <strong>Computer</strong> <strong>Security</strong> <strong>Incident</strong> <strong>Response</strong> Team (CERT-NL) was established<br />

by SURFnet, <strong>the</strong> Dutch research network, as a decentralized team. The team was staffed<br />

with two members <strong>of</strong> SURFnet working in cooperation with experienced specialists from<br />

o<strong>the</strong>r universities in <strong>the</strong> research network that could help provide broader expertise and<br />

also help provide coverage outside <strong>of</strong> <strong>the</strong>ir normal working hours. Since this was created<br />

as an internal project within SURFnet, <strong>the</strong>re was not much <strong>of</strong> a delay in getting <strong>the</strong> team<br />

up and running. The CERT-NL team became active in 1992. 17<br />

• The <strong>Computer</strong> Emergency <strong>Response</strong> Team for <strong>the</strong> German Research Network DFN<br />

(DFN-CERT) was established as a centralized team. The team was located at a university<br />

that was a member <strong>of</strong> <strong>the</strong> network. Therefore, from a viewpoint <strong>of</strong> o<strong>the</strong>r universities, <strong>the</strong><br />

work was handled by “external” staff (to <strong>the</strong>ir organization) but from ano<strong>the</strong>r “internal”<br />

organization (<strong>of</strong> <strong>the</strong> whole network). No coverage was provided outside <strong>of</strong> normal working<br />

hours. As this was an external project, a call for tender process 18 was necessary,<br />

which resulted in a delay in establishing <strong>the</strong> team. DFN-CERT became active on <strong>the</strong> first<br />

working day <strong>of</strong> 1993.<br />

16<br />

17<br />

18<br />

The first five conferences were sponsored and hosted by CERT/CC. Since 1994; a different organization<br />

has sponsored and hosted <strong>the</strong> conference each year. See<br />

.<br />

For more information on SURFnet see .<br />

A call for tender is a call for proposals, in which people or organizations are asked to provide a bid<br />

for performing some type <strong>of</strong> work.<br />

22 CMU/SEI-2003-TR-001

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