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The green zone is a mixed server room that separates systems requiring access to both the viral network and the clean network. The green-zone servers also maintain firewalls between the blue and red zones.
Pictured here is the red zone, where Symantec researchers work, and which contains infected machines.
The Dublin response team is part of a global network: there are Symantec security response units in Calgary, San Francisco, Mountain View, Culver City, Pune, Taipei, Chengdu and Tokyo. Analysts monitor the Internet and customer submissions, on rolling eight-hour shifts for possible pieces of malware.
Symantec receives approximately 60,000 submissions per month, leading to 2,000 manually coded antivirus definitions per month, produced by approximately 135 analysts globally. A network of anti-malware companies also collaborate to produce a "zoo" of 150,000 to 200,000 pieces of possible malware for which Symantec builds signatures, mostly automatically.