IT JSOC 2
3
http://www.johotsusintokei.soumu.go.jp/whitepaper/ja/h15/index.html 4
http://www.johotsusintokei.soumu.go.jp/whitepaper/ja/h15/index.html 5
(IT) IT) (ADSLCATV ) 24 6
CERT/CC Statistics 1988-2003 http://www.cert.org/stats/cert_stats.html 7
8 http://www.npa.go.jp/hightech/
http://www.npa.go.jp/hightech/ 9
http://www.ipa.go.jp/security/txt/2003/12.html 10
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7325 14
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20 Informational Informational Warning Warning Critical Critical Emergency Emergency
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CIA CIA CIA 22
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25 OS OS Flood Flood ICMP ICMP UDP UDP SMTP SMTP
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http://www.lac.co.jp/security/ sales@ sales@lac.co..co.jp 48