$B%3%s%T%e!<%?@lLg2H$NNQM}E*5rE@$K$D$$$F(B
$B!](BInternet Worm $B$+$i(B10$BG/!](B

$B;J2q(B($B1vC+!!8-(B)$B!'(B
$B!V$=$l$G$O$3$3$G!"ElKLBg3X$N;3:,?.Fs@h@8$KDsBj$r$*4j$$CW$7$^$9!#(B $B;3:,@h@8$O!"ElKLBg3X$NBg3X1!$NJ}$G>pJs2J3X$r8&5f$J$5$l$F$$$k$HF1;~$K!"(BACM(Association of Computing Macinary)$B!"$=$l$+$i(BCPSR(Computer Profesionals for Social Responsibility)$B$N!"?t>/$J$$F|K\?M2q0w$G$"$j!"MM!9$JJ}LL$G%M%C%H>e$G$N>pJsNQM}$KBP$9$k@Q6KE*3hF0$r9T$C$F$$$i$C$7$c$k$N$G!"$_$J$5$s$h$/8fB8$8$@$H;W$$$^$9!#(B $B$=$l$G$O$h$m$7$/$*4j$$$7$^$9!W(B

[slide 1]

$B%3%s%T%e!<%?@lLg2H$NNQM}E*5rE@$K$D$$$F(B

*Internet Worm $B$+$i(B10$BG/(B*

$B;3:,(B $B?.Fs(B

URL: http://www.vacia.is.tohoku.ac.jp/~s-yamane/

$B$O$8$a$K(B

$B:#2s$O(B1950$BG/Be$+$i8=Be$^$G$r?6$jJV$C$F$_$?$$$H;W$$$^$9$,!"$=$NA0$K!":#2s2f!9$,=8$^$C$?$3$N>l$K$D$$$F9M$($F$_$?$$$H;W$$$^$9!#(B $B2?8N$$$^!V>pJsNQM}!W$H$+!V%3%s%T%e!<%?$HNQM}!W$H$$$C$?8@MU$,!"$+$/$b>'$($i$l$F$$$k$N$G$7$g$&$+!#$?$H$($P!":G6a$@$1$G$b$3$l$@$12q9g$,$"$j$^$9!#(B

[slide 2]

$B$O$8$a$K(B: $B>'$($i$l$kNQM}(B

$B:#7n$N9qFb%$%Y%s%H(B

* $BF|K\3X=Q?66=2q(B FINE 

* $BEE;R>pJs=hM}3X2q(B FACE 

* $B>pJs=hM}3X2q(B $B%3%s%T%e!<%?$H650i8&5f2q(B
 
* $B>pJsNQM}6(2q(B(JANL) 

* $B%5%$%P!
* ENC $B%+%s%U%!%l%s%9(B 

$B%"%a%j%+(B 

* ACM Policy'98/ Ethics and Social Impact 

$B0lHL;(;o(B 

* $B7n4)!X@$3&!Y$G$N2J3X

$B3X?6$N%$%Y%s%H$H$O:#F|$N$3$N(BFINE$B$N2q9g$G$9$M!#$=$7$FEE;R>pJsDL?.3X2q$N(BFACE $B$H$$$&8&5f2q$b$"$j$^$9!#$=$l$+$i>pJs=hM}3X2q$K!V%3%s%T%e!<%?$H650i!W8&5f2q$H$$$&$N$,$"$k$s$G$9$,!"$=$3$G$b>pJsNQM}650i$K$D$$$F$NH/I=$,$"$j$^$9!#>pJsNQM}6(2q(B($B$3$3$O>pNQ%^!<%/$H$$$&$b$N$r:n$C$F$$$k$3$H$GM-L>$J6(2q$G!"%U%#%k%?%j%s%0$r?d?J$7$F$$$k$H$3$m$G$9(B)$B$N?M$?$A$b$3$N!V%3%s%T%e!<%?$H650i!W8&5f2q$G:#7nH/I=$7$^$9!#$=$l$+$i!"%5%$%P!pJsNQM}$NOC$,$"$k$H$$$&M=9p$,=P$F$$$^$9!#$"$H(B ENC Conferens$B!"$3$l$OEE;R%M%C%H6(5D2q$H$$$&DL;:>J$N303TCDBN$N%+%s%U%!%l%s%9$G$9!#$=$l$,:#7n$"$k!#(BENC Conference$B$G$O!"(B($B@h$[$I$NBgC+$5$s$N$*OC$H4XO"$,$"$j$^$9$,(B)$B7Y;!D#$N@83h0BA44X78$N%;%/%7%g%s$+$i!"`Pjx$N4p=`$K$D$$$FH/I=$,$"$j$^$9!#$3$l$O`Pjx2hA|$r?7$7$$Iw1DK!$G

$B!!$3$N$h$&$K:#7n$@$1$G$3$l$@$1H/I=$,$"$k!#$3$l$OFsG/A0$+$i$9$k$H$A$g$C$H?.$8$i$l$J$$!#$$$C$?$$C/$,;E3]$1$F$$$k$s$@!"$H9M$($F$7$^$&$o$1$G$9!#(B

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$B!!$^$?!"%3%s%T%e!<%?$@$1$G$O$J$/$F!"2J3X

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$B$3$3$G$NOCBj(B

$B!!$^$:!"FC$K%3%s%T%e!<%?6H3&$NCf$G$NNQM}$NLd$$$+$1$O$I$&$$$&$b$N$@$C$?$N$@$m$&$+$r?6$jJV$j$?$$$H;W$$$^$9!#(B

[slide 3]

$B$"$i$^$7(B 

1. Hacker Ethic $B$NE83+(B: 1950s- 

2. Internet $B$K8GM-$JNQM}E*IwEZ(B 

* Internet $B$N%3%_%e%K%F%#$G!"$$$D!&$I$N$h$&$K$7$FNQM}$,Ld$o$l$@$7$?$N$+(B: 1980s 

* $BK!$HNQM}$H$N>WFM(B: 1990s 

3. $B%3%s%T%e!<%?@lLg2H8GM-$N1?F0(B 

* CPSR, ACM $B$N(B10$BG/4V(B: 1980s-90s 

$B$3$3$G$NL\E*$O!"%3%s%T%e!<%?6H3&FH<+$N9M$(J}!"FH<+$NJ82=$H$$$&$b$N$rCN$k$3$H$G$9!#%3%s%T%e!<%?$HNQM}$N4X78$O!":#$^$G$OB>$N3XLd$H$N%"%J%m%8!<$G9M$($i$l$FMh$?$h$&$J$H$3$m$,$"$j$^$9!#$?$H$($P!"@=B$6He$2$^$9!#$=$7$F

Hacker Ethic

$B!!:G=i$K%O%C%+!<%(%7%C%/$K$D$$$F!#$^$:!"%O%C%+!<$H$O$J$K$+$H$$$&$3$H$+$iF~$i$J$1$l$P$J$j$^$;$s!#%O%C%+!<$H$O%3%s%T%e!<%?6H3&FH<+$NMQ8l$@$H8@$C$F$$$$$H;W$$$^$9!#(B...$B$H$$$C$F$b!"FbIt$NDj5A$b$$$m$$$m$H$"$j$^$9!#3'$5$s$NCf$K$OE/3X%W%m%Q!<$NJ}$bB?$$$H;W$$$^$9$N$G!"%^!<%S%s!&%_%s%9%-!<$H$$$&E/3XR2p$7$?$$$H;W$$$^$9!#(B

[slide 4]

$B%O%C%+!<(B: $B%3%s%T%e!<%?%5%$%(%s%9H/>M$N35G0(B

* $B!V7W;;5!2J3X
Mind and Machine: Profile of Marvin Minsky 

* $B!Z%O%C%+!
"Internet User's Glossary" (RFC 1983/FYI 18)

$B%_%s%9%-!<$O!"!X?4$H5!3#!Y$H$$$&K\$N%$%s%?%S%e!<$G!V$?$/$5$s%O%C%/$7$F$$$k$H!"$7$P$7$P?<1s$J$b$N$KFM$-Ev$?$k!W$H8@$C$F$$$^$9!#H`$O?<1s$J$b$N$J$I$H$O$*$h$=8@$$$=$&$K$J$$E/3X

$B!!

$B!!$5$FR2p$7$?$N$O!"(B1983$BG/$K=PHG$5$l$?%9%F%#!<%V%s!&%l%S!<$N!X%O%C%+!<%:!Y$H$$$&K\$G$9!#$=$l$G$O!"

[slide 5]

Hacker Ethic: $B%O%C%+!<8GM-$N%(!<%H%9(B

* Access to computers should be unlimited and total. 

* Always yield to the Hands-On Imperative 

* All information should be free. 

* Mistrust authority--promote decentralization. 

* Hackers should be judged by their hacking. 

* You can create art and beauty on a computer. 

* Computers can change your life for the better.

from Hackers(1983) by Steven Levy 

$B$?$@$7!"(B1980$BG/BeA0H>$K=q$+$l$?$3$NDj5A$O$"$$$^$$$G$$$m$$$m$J2r/$7>\$7$$Dj5A$O$J$$$+$H;W$C$FD4$Y$F$_$^$7$?!#$=$l$,!"%8%c!<%4%s%U%!%$%k$H$$$&%I%-%e%a%s%H$NDj5A$G$9!#(B

[slide 6]

Hacker Ethic: $B%O%C%+!<8GM-$N%(!<%H%9(B



Jargon File (Version 4.0.0, July 1996)

``... almost all hackers are actively willing to share technical tricks, software, and (where possible) computing resources with other hackers. Huge cooperative networks such as Usenet, FidoNet and Internet can function without central control because of this trait ...''

* $B$3$N%3%s%T%e!<%?%5%$%(%s%9FCM-$N%(!<%H%9$r$U$^$($F!"

$B%8%c!<%4%s%U%!%$%k$O%*%s%i%$%s$G8x3+$5$l$F$$$^$7$F!"$7$P$7$P%"%C%W%G!<%H$5$l%3%a%s%H$bCL$G$9$,!"%O%C%+!<%:%G%#%/%7%g%J%j!<$H$$$&$N$O%3%s%T%e!<%?%5%$%(%s%9$G$O$$$A$P$sLr$KN)$D<-=q$G$O$J$$$+$H;W$$$^$9$N$G!"%3%s%T%e!<%?6H3&$NMQ8l$rCN$j$?$$$H$$$&J}$K$O$*4+$a$7$^$9!#$b$A$m$s%W%m%0%i%_%s%0$K$bLrN)$A$^$9!#(B)$B%8%c!<%4%s%U%!%$%k$G$O!"%O%C%+!<%(%7%C%/!"%O%C%+!<5$e$N%3%s%T%e!<%?%5%$%(%s%9FCM-$N%(!<%H%9$rF'$^$($F!"$3$s$I$O$=$N(B Internet $B>e$GNQM}$H$$$&$b$N$,$I$N$h$&$KLd$o$l$F$-$?$N$+$H$$$&$3$H$r8+$F$$$-$?$$$H;W$$$^$9!#(B

Internet $B$NNQM}(B

$B!!$$$m$$$mNr;K$rD4$Y$F$_$^$7$?!#$3$3$Ge$2$k$N$O(B2$B$D$NJ8=q$G$9!#(B

[slide 7]

Internet $B$N%3%_%e%K%F%#$G!"$$$D!&$I$N$h$&$K$7$FNQM}$,Ld$o$l$@$7$?$N$+(B?



RFC 1087, ``Ethics and the Internet'' (1989)

* IAB(Internet Activities Board) $B$K$h$k(B Internet $B$G$O$8$a$F$NNQM}$K$D$$$F$N@
RFC 1135, ``The Helminthiasis of the Internet'' (1989)

* 1988$BG/$N(B Internet Worm $B;v7o$K$D$$$F$N3P=q(B 

$B$^$:!"0l$DL\$N;qNA$,(B1087$BHVL\$N(BRFC$B!"Bj$7$F!VNQM}$H(B Internet $B!W$H$$$&(B1987$BG/$K=P$?J8=q$G$9!#$3$l$O!"(B Internet $B$N5;=QE*$JE}3g$r$9$k(BIAB $B$H$$$&0Q0w2q$,=P$7$?@

$B!!$=$NA0$K!":#$^$G8@$C$F$-$?(BRFC$B$K$D$$$F@bL@$7$^$9!#(BRFC$B$H$O!"(BRequest For Comments$B!"$9$J$o$A!"%3%a%s%HJg=8$H$$$&Bj$7$?J8=q$G$9!#(B

[slide 8]

RFC(Request For Comments) $BJ8=q$K$D$$$F(B



RFC$B$H$O(B
 
* Internet $B$N5;=QI8=`$r:n@.$9$k%W%m%;%9$N;:J*(B 

* $B$9$Y$F$N(B Internet $B5;=QI8=`$N;EMM$O(B RFC $B$H$7$F8x3+$5$l$k(B 

$BFCD'(B 

* $BC/$G$bDs0F$G$-!"8x3+%l%S%e!<$r7P$FJT=8
* $B@$3&Cf$K%_%i!<%j%s%0$5$l!"(BWWW, email, FTP $B7PM3$G(B1969$BG/$K$5$+$N$\$kJ8=q72$,F~
* $BI8=`2=$N$?$a$NDs0F$@$1$G$J$/!">pJsDs6!!&%a%b!&%(%$%W%j%k%U!<%k%8%g!<%/$b4^$^$l$k(B

RFC$BJ8=q$O$=$b$=$b(B Internet $B$N5;=QE*$JI8=`$r:n$k$?$a$K;H$o$l$F$-$?$b$N$G!"$9$Y$F$N(B Internet $B$N5;=QE*$J;EMM$O(BRFC$B$H$7$F8x3+$5$l$k$3$H$K$J$C$F$$$^$9!#;w$?$h$&$J5;=QI8=`$K(BISO$B$H$+(BJIS$B$H$+$$$C$?I8=`$,$"$j$^$9$1$I!"$=$l$i$N4p=`$H$N0c$$$O!"(BRFC$B$OC/$G$bDs0F$G$-$k$H$$$&$3$H$G$9!#Ds0F$5$l$?%I%i%U%H$,%*%s%i%$%s$G%l%S%e!<$5$l$F!":G=*E*$KJT=8pJsJ8=q$H8@$C$F$$$$$G$7$g$&!#(B1$BHVL\$N(BRFC$B$O(B1969$BG/$K;O$^$j$^$7$?$+$i!"(B1969$BG/0J9_$N5;=Q

$B!!$=$7$F!"(BRFC$B$,(BISO$B$d(BJIS$B$H0lHV0c$&$H$3$m$O!"5;=QI8=`0J30$N$3$H$K4X$9$kJ8=q$b4^$^$l$F$$$k$H$3$m$G$9!#pJsDs6!!"$3$&$$$&$N$,$"$k$h!"$H$+!"%a%b$J$I$bFbMF$K$h$C$F$O%J%s%P%j%s%0$5$l$^$9!#%(%$%W%j%k%U!<%k%8%g!<%/$H$$$&$N$b$3$3$K$OF~$C$F$$$k$s$G$9$M!#$=$N0UL#$G(BRFC$B$K8xE*$J8"0R$OA4$/$J$$!#(B Internet $B$G8r?.$r$9$k$H$-$K$O;2>H$7$h$&!"$H$$$&DxEY$N$b$N$G$9!#(BRFC$B$NM%$l$F$$$kE@$O!"?WB.$5$HL5NA$G$"$k$3$H$G$9!#(BJIS$B$d(BISO$B$O7h$a$ke$K!"$=$N;EMM$,L5NA$G8x3+$5$l$F$$$J$$!#$=$N$?$a%M%C%H%o!<%/$N5;=QH$7$^$9!#(BRFC$B$K$D$$$F$O!"$A$g$&$I:#7n%"%9%-!<=PHG$+$i!X%$%s%?!<%M%C%H(BRFC$B;vE5!Y$H$$$&$b$N$,=P$^$7$?$N$G!"$=$A$i$b;29M$K$9$k$HA4BN$NM}2r$KLr$K$?$D$H;W$$$~$9!#(B

$B!!$3$N(BRFC$BJ8=q$rD4$Y$F$$$k$&$A$K!"NQM}$K4X$9$k@

[slide 9]

RFC 1087, ``Ethics and the Internet''



the ``unethical and unacceptable any activity'' which purposely:

a. seeks to gain unauthorized access to the resources of the Internet, 

b. disrupts the intended use of the Internet, 

c. wastes resources (people, capacity, computer) through such actions, 

d. destroys the integrity of computer-based information,

  and/or 

e. compromises the privacy of users. 

IAB$B$OHsNQM}E*$GpJs$N?.Mj@-$rGK2u$9$k$3$H!"$=$7$F%f!<%6$N%W%i%$%P%7!<$r?/32$9$k$3$H!#$=$&$$$&9T0Y$r5v$7$,$?$$$H$7$F$$$^$9!#(B

$B!!$3$l$@$1$r8+$k$H$?$@$N8fBjL\$N$h$&$K8+$($^$9$M!#NQM}$H$$$&$N$O$7$P$7$P8fBjL\$H$[$H$s$IF1$8$H$3$m$G;H$o$l$?$j$9$k$H;W$$$^$9!#$3$NJ8=q$,!V$*Ic$5$s$*Jl$5$s$rBg@Z$K$7$h$&!W$H$$$C$?N`$N$?$@$N8fBjL\$+$I$&$+$r8!F$$9$k$K$O!"$J$<$3$l$,=P$5$l$?$N$+$H$$$&GX7J$rCN$kI,MW$,$"$j$^$9!#$=$3$G!"$3$N(BRFC$B$,=P$5$l$kA0$K5/$-$?(B1988$BG/(B11$B7n(B3$BF|$N%$%s%?!<%M%C%H!&%o!<%`;v7o$KCmL\$7$?$$$H$*$b$$$^$9!#(B

[slide 10]

$B$J$<@


$B@
1988$BG/(B11$B7n$N(B Internet Worm $B;v7o(B 

Internet$B$K@\B3$5$l$?(BSUN$B%o!<%/%9%F!<%7%g%s$H(BVAX$B7W;;5!>e$G%o!<%`%W%m%0%i%`$,A}?#$7!"A4JF$N7W;;5!%7%9%F%`$,(B48-72$B;~4V$K$o$?$C$F=BBZ$7$?!#(B 

$B%$%s%?!<%M%C%H!&%o!<%`;v7o$O$I$&$$$&;v7o$@$C$?$+$H8@$$$^$9$H!"(BInternet $B@\B3$5$l$?%^%7%s$NCf$G$b(B Sun $B$N(B WorkStation $B$d(B VAX$B7W;;5!!"$3$l$i$K%M%C%H%o!<%/7PM3$G%o!<%`%W%m%0%i%`$H$$$&$N$,A}?#$7$^$7$F!"$=$N7W;;5!$N;q8;$r?)$C$F$7$^$C$?$o$1$G$9$M!#$=$l$K$h$C$FA4JF$N7W;;5!%M%C%H%o!<%/$,=BBZ$7$F$7$^$C$?!#$=$7$F!"%o!<%`$O$*$h$=(B2$B!"(B3$BF|$G:,@d$5$l$^$7$?!#$G!"$3$N;v7o$NM>GH$K$D$$$F$O(BRFC1135$B$N!V(BInternet $B$N4s@8CnIB!W$H$$$&3P=q$K5-$5$l$F$$$^$9!#(B

[slide 11]

$B%$%s%?!<%M%C%H!&%o!<%`;v7o$N$b$?$i$7$?Ld$$(B 

`` Up until recently, most computer professionals and groups have not been overly concerned with questions of ethics.

Organizations and computer professional groups have recently, in the aftermath of the Internet worm, issued their own 'Statement of Ethics'. '' 

(RFC 1135, ``The Helminthiasis of the Internet''($B%$%s%?!<%M%C%H$N4s@8CnIB(B))

$B$3$N(BRFC1135$B$G$O!"%$%s%?!<%M%C%H!&%o!<%`$,$$$D$I$N$h$&$KH/8+$5$l$F!"C/$HC/$,%A!<%`$rAH$s$G!"(B $B$I$&$d$C$F%$%s%?!<%M%C%H!&%o!<%`$r:,@d$7$?$N$+$H$$$C$?MM!9$J@bL@$,$J$5$l$^$9!#$3$NA{$.$,=*$o$C$?$H$-!":G6a$^$G$*$*$+$?$N%3%s%T%e!<%?@lLg2H$d=8CD$O!"NQM}$K$D$$$F$NLd$$$H$$$&$b$N$r$[$H$s$I9M$($F$$$J$+$C$?$H$$$&H?>J$,Ds=P$5$l!"$=$l$i$NCDBN$,NQM}$K$D$$$F$N@

[slide 12]

1988$BG/Ev;~$NLdBj0U<1(B 

* $B%o!<%`%W%m%0%i%`$O3X@8$G$b:n@.$G$-$?(B 

* $BM=A[$5$l$k7k2L$rL5;k$7$?L$=O$J9TF0$G$"$k(B 

$B>-Mh$NM=KI:v$H$7$F!"K!N'$K$h$k6X;_$d%3%s%T%e!<%?@lLg2H$NNQM}$,8!F$$5$l$k(B

$B!!$H$3$m$G!"$J$<%M%C%H%o!<%/$N;v8N$H$GNQM}$,Ld$o$l$k$h$&$K$J$C$?$+$H$$(B $B$&$3$H$G$9$,!"$^$:!"%o!<%`%W%m%0%i%`$=$l<+BN$O3X@8$G$b:n@.$G$-$k$H$$$&$3$H$,$"$2$i$l$^$9!#Js9p=q$r8+$l$P$=$NF0:n$OJ,$+$j$^$9$7!"%M%C%H%o!<%/%W%m%0%i%_%s%0$,$G$-$k-Mh$3$&$$$C$?$3$H$r$I$&$d$C$FKI$0$+$H$$$&5DO@$K$J$j$^$7$F!"$R$H$D$K$OK!N'$K$h$k6X;_$H$$$&LdBj$,!"$b$&$R$H$D$K$O%3%s%T%e!<%?@lLg2H$NNQM}$H$$$&LdBj$,$G$F$-$^$7$?!#K!$HNQM}$H$$$&>-Mh$NM=KI:v$K$D$$$F5DO@$5$l$?$o$1$G$9$,!"$J$

[slide 13]

$B$J$
* ``Computer Fraud and Abuse Act''(1986)$B$NB8:_(B 

* RFC1087$B$K$*$1$k(BIAB$B$N8+2r(B

`` Such security [with federal agencies], however, may be extremely expensive and may be counterproductive if it inhibits the free flow of information which makes the Internet so valuable. ... In the final analysis, the health and well-being of the Internet is the responsibility of its users ...'' 

* $B2?$r!"2?$+$i
$BpJs$N<+M3$JN.DL!W(B(the free flow of information)$B$H$O(B?

$B$^$:!"$9$G$K=hH3$9$kK!$,$"$C$?$N$G!"K!5,@)$G$OKI$2$J$$$H$$$&G'<1$,$"$C$?$s$G$9$M!#(B1986$BG/(B($B;v7o$N(B2$BG/A0(B)$B$K=P$5$l$?(BComputer Fraud and Abuse ACT$B$H$$$&!"$$$o$f$kL58"8B%"%/%;%9$r=hH3$9$kK!N'$G$9!#K!5,@)$5$l$F$$$k$K$b$+$+$o$i$:%o!<%`;v7o$,5/$C$F$7$^$C$?!#$=$&$9$k$H$5$i$KK!$r6/2=$9$k$Y$-$J$N$+$H$$$&OC$,=P$^$9$,!"$=$NE@$K$D$$$F(BRFC1087$B!VNQM}$H(BInternet$B!W$NCf$G(BIAB$B$,?($l$F$$$^$9!#$=$N$h$&$JO"K.@/I\$NAH?%$K$h$kK!E*$J%;%-%e%j%F%#$H$$$&$N$O$^$:9b$/$D$/!#$=$l$+$i!"3hF0$rK8$2$k$*$=$l$,$"$k!#$b$7$b!"$=$l$,!"(B Internet $B$r2ACM$"$k$b$N$K$7$F$$$k>pJs$N<+M3$JN.DL$r6X;_$7$F$7$^$&$H$9$l$P4m81$J$b$N$G$"$k!#4m81$H$$$$$^$9$+!"9b$/$D$-@8;:@-$KH?$9$k$b$N$@$H!#$G$b!":G=*E*$K$O%f!<%6$N@U(b $BG$$H$$$&$b$N$K$+$+$C$F$$$k$N$@$H$$$&$N$,!"!VNQM}$H(B Internet $B!W$G$$$o$l$F$$$k$3$H$G$9!#$7$+$7$3$NJ8=q$bJ,$+$k$h$&$GJ,$+$i$J$$$b$N$G$9!#(BInternet $B$r2ACM$"$k$b$N$K$7$F$$$k>pJs$N<+M3$JN.DL$H$O$$$C$?$$$J$s$J$N$+!#$=$l$,K\Ev$K87H3

[slide 14]

$B>pJs$N<+M3$JN.DL$H$O(B? 

``The openness and free flow of information of networking should be rightfully preserved, as it demonstrated its worth during the helminthiasis by expediting the analysis and cure of the infestation.''

(RFC 1135, ``The Helminthiasis of the Internet'') 

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Internet $B%o!<%`$NJs9p=q$G$"$k(BRFC1135$B$K$h$l$P%M%C%H%o!<%/$N>pJs$N<+M3$JN.$l$H8x3+@-$H$$$&$b$N$O$3$l$+$i$b;D$7$F$$$+$J$1$l$P$J$i$J$$!#$J$<$J$i$P!"$=$l$O!"4s@8CnIB$N:GCf$G$N46@w$r<#$7$?$j!"2r@O$7$?$j$9$k;~$KLr$KN)$C$?$b$N$G$"$C$?$+$i$@!"$H$$$&$3$H$G$9!#(B Internet $B4s@8CnIB$N:,@d$N4V$K9T$o$l$?>pJs$N8r49$H$$$&$N$O$^$5$K%;%-%e%j%F%#>pJs$d%;%-%e%j%F%#!<$d$V$j$N%W%m%0%i%`$N8r49$@$C$?$o$1$G$9!#$=$l$i$O%\%i%s%F%#%"$K$h$C$F9T$o$l$^$7$?$1$I!"MW$9$k$K(B Internet $B%o!<%`$r:,@d$7$?$3$H$G$O$C$-$j$7$?$3$H$O!"%;%-%e%j%F%#>pJs!"%;%-%e%j%F%#$d$V$j$N>pJs$"$k$$$O$=$&$$$&%=!<%9%3!<%I$r6&M-$9$k$3$H$K$h$C$F!"%;%-%e%j%F%#$d$V$j$KBP93$G$-$k$s$@$H$$$&$3$H$G$9!#=>$C$F$=$&$$$&%;%-%e%j%F%#>pJs$NN.DL$r6X;_$7$?$j@)8B$9$k$3$H$O@8;:E*$G$O$J$$!#$=$N$h$&$J%;%-%e%j%F%#>pJs$r%*!<%W%s$K$9$k$3$H$,0lHV%;%-%e%j%F%#$KLrN)$D$N$@$H$$$&$3$H$G$9!#(B

$B!!$3$3$^$G!"(B Internet $B%o!<%`$N8e$K=P$?!VNQM}$H(B Internet $B!W$K$D$$$F8+$F$_$^$7$?!#$=$l$r$^$H$a$F$_$^$9!#(B

[slide 15]

$B$3$3$^$G=R$Y$?$3$H(B:

Internet $B$N%3%_%e%K%F%#$G!"$$$D!&$I$N$h$&$K$7$FNQM}$,Ld$o$l$@$7$?$N$+(B? 

* ``Ethics and the Internet'' $B$H(B Internet Worm $B$N6571(B 

* $B%M%C%H%o!<%/;q8;$NMtMQ!">pJs$N?.Mj@-$NGK2u!"%f!<%6!<$N%W%i%$%P%7!<$N?/32$NKI;_(B 

* $B>pJs6&M-$NMJ8n(B

$B$^$:!"(B Internet $B$N%3%_%e%K%F%#$GNQM}$H$$$&$b$N$,(B,$B$$$D(B,$B$I$N$h$&$KLd$o$l=P$7$?$+$H$$$&LdBj$NEz$($O!"(B1988$BG/$N(B Internet $B%o!<%`;v7o$N;~$G$"$C$?!#$=$7$F;v7o$OM=KI:v$HF1;~$K6571$r;D$7$F$$$^$9!#$^$:!"M=KI:v$H$7$F$O!"%M%C%H%o!<%/;q8;$NMtMQ$d>pJs$N?.Mj@-$NGK2u!"%f!<%6$N%W%i%$%P%7!<$N?/32$H$$$&$h$&$J$3$H$O!"$=$&$$$&$3$H$r$7$J$$$H$$$&@UG$$,=EMW$@$H$$$&$3$H!#$b$&0l$D$O%;%-%e%j%F%#>pJs$r6X;_$7$F$7$^$&$N$G$O$J$/!"$=$N$h$&$J>pJs$r%*!<%W%s$K$7$F6&M-$9$k$H$$$&$3$H$,Bg;v$@$H$$$&$3$H!#$=$l$,(B Internet $B%o!<%`;v7o$N6571$@$H;W$o$l$^$9!#(B

$B!!$J$pJs$N8x3+$H$$$&$b$N$,%$%s%?!<%M%C%H%o!<%`$+$i(B10$BG/8e$N(B1990$BG/Be8eH>$K$J$C$F$^$?JL$NLL$GLd$o$l$k$+$i$G$9!#(B

[slide 16]

$BK!$H$N>WFM(B: 1990s

1990$BG/Be$KI=LL2=$7$?=tLdBj(B 

* $B%;%-%e%j%F%#>pJs$N6&M-$O>o$K@5Ev$J$N$+(B? 

* $B>pJs$N?.Mj@-$r
* $B%f!<%6!<$N%W%i%$%P%7!<$r
$B%;%-%e%j%F%#@/:v$,5/$3$9LdBj(B 

* $B%/%i%C%-%s%0%D!<%k$d%N%&%O%&$N5,@)(B 

* $B0E9f@/:v(B($B0E9fMxMQ5,@)!"%-!<%j%+%P%j!<%7%9%F%`$K$h$kHH:aKI;_!"EpD0(B) 

$B$D$^$j%;%-%e%j%F%#$N%N%&%O%&$r%*!<%W%s$K$7$F6&M-$9$k$H$$$&!VNQM}$H%$%s%?!<%M%C%H!W$G3NG'$5$l$?$3$H$,@5Ev$J$N$+!">pJs$N?.Mj@-$ro$K@5Ev$J$N$+!"%f!<%6$N%W%i%$%P%7!<$ro$K@5Ev$J$N$+!"$H$$$&$3$H$,Ld$$D>$5$l$F$$$^$9!#%;%-%e%j%F%#@/:v$G!"$^$:%/%i%C%-%s%0%D!<%k(B($B$?$H$($P%Q%9%o!<%I$d$V$j$N%D!<%k(B)$B$r5,@)$7$h$&$H$$$&F0$-$,$"$j$^$9!#$3$l$O!"7Y;!D#$N?35D2q$NJs9p=q$G=P$^$7$?!#$b$7$+$9$k$H%D!<%k$N$_$G$O$J$/!"$=$&$$$&%N%&%O%&$r8x3+$9$k$3$H$b5,@)$K4^$^$l$k$N$+$b$7$l$J$$!#$3$l$O!">pJs$N6&M-$H$$$&(B Internet $B%o!<%`$N6571$H$O0[$J$k%;%-%e%j%F%#BP:v$G$9$M!#$=$7$F!"$b$&0l$D$,0E9f@/:v!#$3$l$O!"3F9q$GO@Ah$,5/$-$~$7$?$1$I!"%;%-%e%j%F%#$N%N%&%O%&$rF~pJs$N?.Mj@-$ro$K7Y;!$K$h$kEpD0$,5v$5$l$F$$$k9q$G$O!"$b$A$m$s6/NO$J0E9f$,;H$o$l$k$N$OLdBj$@!#$H$$$&$N$G!"0E9f5,@)@/:v$H$$$&$N$,3F9q$G;}$A>e$,$C$F$$$k!#F|K\$G$b!"7Y;!Gr=q$G0E9f$N0-MQ$H$$$&$3$H$,LdBj$K$J$j$^$7$F!"$=$l$r8!F$$9$k$H$$$&J8>O$,$"$j$^$9!#$b$C$HF'$9~$s$G!"7Y;!D#$N%;%-%e%j%F%#%S%8%g%s:vDj0Q0w2q$H$$$&$H$3$m$G$O%-!<%j%+%P%j!<$rDs8@$7$F$$$^$9!#$3$l$O!"C/$b$,%;%-%e%j%F%#5;=Q$r;H$($k!"$"$k$$$O%W%i%$%P%7!<$ro$K@5Ev$J$N$+!#(B

$B!!$b$&0l$D>R2p$7$^$9$H!"%"%a%j%+$G$O%3%T!<%i%$%H@/:v$G$b0E9f$,LdBj$K$J$C$F$$$k!#(B

[slide 17]

$B%;%-%e%j%F%#>pJs$N6&M-$O@5Ev$+(B 

* ``Digital Millennium Copyright Act''

$B$3$N%G%8%?%k%3%T!<%i%$%HK!$G$O!"%3%s%T%e!<%?%;%-%e%j%F%#$N6/2=$d8&5f$,6X;_$5$l$+$M$J$$!#(B 

* ``WIPO Letter From the InfoSec Community''

Internet Worm $B2r@O$K3hLv$7$?%Q%G%e!
$BF|K\$G$b7Y;!Gr=q$dJ8It>JCx:n8"?35D2qJs9p$G%/%i%C%-%s%0%D!<%kG[I[$N5,@)$,8!F$$5$l$F$$$k!#(B

$B$D$$@h$4$m!"BgE}NN$,(BDigital Millenium Copy-right Act$B$H$$$&K!0F$K=pL>$7$^$7$?!#$3$l$O?tG/8e$Kl9g!"$=$N%3%T!<%i%$%H$r$d$V$k$3$H$,6X;_$5$l$F$$$^$9!#$5$i$K!"$=$N%3%T!<%i%$%H$K;H$o$l$F$$$k5;=Q$r2r@O$9$k$3$H$b8xI=$9$k$3$H$b6X;_$5$l$F$$$^$9!#$3$l$O0lpJs$G$9$H$+!"%W%m%0%i%`>pJs$r@Q6KE*$KG[$C$?!#$3$N6&M-$,%$%s%?!<%M%C%H!&%o!<%`$r(B2$BF|$G:,@d$7$?$N$KM-8z$@$C$?$H8@$o$l$F$$$^$9!#$=$N%;%-%e%j%F%#@lLg2H$NH`$,!"$$$^%/%i%C%-%s%06X;_$KH?BP$7$F$$$k$o$1$G$9!#$=$N@$7$??M$O%$%s%?!<%M%C%H%o!<%`$G3hLv$7$??M$bF~$C$F$$$^$9$7!"$=$l0J8e$N%;%-%e%j%F%#$N(B $B8"0R$G$"$k?M$?$A$b=pL>$7$F$$$^$9!#(B

$B!!$3$N$h$&$K!"K!N'$G%;%-%e%j%F%#$N%N%&%O%&$r6X;_$9$k$3$H$O%;%-%e%j%F%#$KBP$7$FM-32$G$"$k$>!"$H$$$&%$%s%?!<%M%C%H!&%o!<%`$N6571$,(B10$BG/8e$KLd$o$l$F$$$k$H8@$($^$9!#$3$NK!N'$,;\9T$5$l$k;~$K$O!"AJ>Y$,5/$3$k$+$bCN$l$^$;$s!#$=$7$F$3$l$O$h$=$N9q$N=PMh;v$H$$$&$3$H$b$G$-$^$;$s!#F|K\$G$b7Y;!Gr=q$G%/%i%C%-%s%0%D!<%k$N5,@)$r8!F$$9$Y$-$@$H(B $B$5$l$F$$$^$9$7!"J8It>J$NCx:n8"?35D2q!"$3$3$b%3%T!<%i%$%H%W%m%F%/%H$N5;=Q$r$d$V$k$3$H$r6X;_$7$h$&!"$"$k$$$O$=$&$$$&>pJs$rN.$9$3$H$r6X;_$7$h$&$H$$$&Ds8@$,$J$5$l$?$H$$$&%"%a%j%+$NF08~$,>R2p$5$l$F$$$^$9!#$3$l$O$^$@F|K\$G$O$I$&$$$&K!0F$K$J$k$+$OJ,$+$j$^$;$s$,!"$^$"!"7h$7$F$h$=;v$G$O$J$$$H!"%;%-%e%j%F%#4X78$N?M$?$A$O8+$F$$$^$9!#(B

$B!!0l$DA0$KLa$j$^$9$1$I!"0E9f@/:v!#F|K\$G$b=P$F$-$?$h$&$K%-!<%j%+%P%j!<%7%9%F%`$d!"0E9f$r0-?M$K;H$o$;$J$$!"$H$+$$$&LdBj$,=P$F$-$F$$$k$o$1$G$9$1$I!"$=$l$K$D$$$F$b(BRFC$B$G@

[slide 18]

$B0E9f@/:v$K$D$$$F$N(BRFC$BJ8=q(B 

RFC 1984, ``IAB and IESG Statement on Cryptographic Technology and the Internet''(1996) 

``The IAB and IESG would like to encourage policies that allow ready access to uniform strong cryptographic technology for all Internet users in all countries.''

1996$BG/$K=P$?(B RFC1984 $B$,$=$l$G$9!#$3$3$K=P$F$/$k(BIEAB $B$H(BIESG $B$O!"(BInternet $B$rE}3g$9$k0Q0w2q$_$?$$$J$b$N$G$9!#$=$N@.@b$NBjL>$HF1$8$K$J$k$h$&$KA0$b$C$FM=Ls$7$F$*$$$?$N$G$O$J$$$+$H;W$&$s$G$9$1$I!"$=$3$G$O$3$&$$$&$3$H$,8@$o$l$F$$$^$9!#$9$J$o$A!"(B IEAB $B$H(B IESG $B$O!"$9$Y$F$N9q$N$9$Y$F$N(B Internet $B%f!<%6!<$,!"6/NO$J0E9f5;=Q$K%"%/%;%9$G$-$k$3$H$rL\;X$9@/:v$r;Y;}$9$k!"$H!#$7$+$7!"$3$N$h$&$K$7$F>pJs$r6&M-$7$h$&!"$H$$$&F0$-$H3F9q$NK!$H$O$+$J$i$:$7$b9gCW$7$J$$!"9q$K$h$C$F$OFq$7$$LdBj$H$J$j$^$9!#%$%s%?!<%M%C%H!&%o!<%`$N:"$K!V$b$76X;_$5$l$?$i%d%P$$$h$J!

[slide 19]

RFC 1984 $B$NFCD'(B 

* $B0E9f5,@)@/:v$N%3%9%H$H%j%9%/$K$D$$$F5;=QE*$JJ,@O$rDs6!$7$?(B 

* $B$-$o$a$FC;4|4V$G:n@.$5$l$?(B 

* $B$9$Y$F$N9q$N$9$Y$F$N%$%s%?!<%M%C%H%f!<%6!<$rBP>]$K$7$?(B 

$BF|K\$G$b(B1998$BG/(B3$B7n$K7Y;!D#%;%-%e%j%F%#%S%8%g%s:vDj0Q0w2q$,HH:aKI;_$N$?$a$N%-!<%j%+%P%j!<%7%9%F%`$rDs8@$7$?$,!"(B1996$BG/$N(B RFC1984 $B$O$3$l$rA0$b$C$FHcH=$9$k$b$N$K$J$C$?!#(B 

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$B!!$3$N$h$&$K!"(B Internet $B%3%_%e%K%F%#$G$N>pJs$rWFM$b$"$j!"Ds8@$b$"$j$H$$$&4X78$K$J$C$F$-$^$7$?!#$3$3$G(B90$BG/Be$NAm$^$H$a$r$7$F$*$-$^$9$H!">pJs$r

[slide 20]

1990$BG/Be$K5/$3$C$?=tLdBj(B 

$B>pJs$r
$B


$B%3%s%T%e!<%?@lLg2H$N1?F0(B

$B!!$3$3$^$G(B Internet $B$N%3%_%e%K%F%#$NCf$GNQM}!"%(!<%H%9$H$$$&$b$N$,$I$N$h$&$K$H$i$($i$l$F$-$?$+$r35@b$7$^$7$?!#$7$+$7!"%3%s%T%e!<%?%5%$%(%s%9$N@$3&$r9M$($k;~$K!"(B Internet $B$N(BRFC$B$@$1$,NQM}$K$D$$$F9M$($F$$$?$o$1$G$O$J$$!#$`$7$m!"$=$l$i$N86F0NO$H$J$C$?1?F0$,B8:_$7$^$9!#$=$l$O:G=i$K=R$Y$?$h$&$K(B hacker ethic $B$H$$$C$F$b$$$$$s$G$9$,!"$3$3$G$O6qBNE*$J8DJL$N@lLg2H=8CD$N1?F0$K$D$$$F>R2p$7$?$$$H;W$$$^$9!#(B


[slide 21]
$BNQM}9KNN$H@lLg2H=8CD(B

1990$BG/Be$K%3%s%T%e!<%?@lLg2H=8CD$,NQM}9KNN$r:vDj$9$k$h$&$K$J$C$?!#(B

$BB>CDBN$KNQM}9KNN:vDj$NF/$-$+$1$r$7$F$-$?(B CPSR $B$N(B10$BG/4V$N3hF0$KCmL\$9$k!#(B



$B!!@lLg2H=8CD$N1?F0$H$$$&;~$K0lHVL\$K$D$/$N$O$d$O$jNQM}9KNN$G$7$g$&!#F|K\$G$b%3%s%T%e!<%?6H3&$G$O>pJs=hM}3X2q$HEE;R>pJsDL?.3X2q$NFs$D$,NQM}9KNN$r=P$7$^$7$?!#$"$H$O!"EE;R%M%C%H%o!<%/6(5D2q$,%W%m%P%$%@$NNQM}9KNN$H$$$&$b$N$r=P$7$F$$$^$9$,!"$3$3$G$O%3%s%T%e!<%?$N3X2q$NNQM}9KNN$K$D$$$F=R$Y$?$$$H;W$$$^$9!#$J$pJs=hM}3X2q!"EE;R>pJsDL?.3X2q$,!"0lG/4V$N$&$A$KNQM}9KNN$r=P$7$?$N$+!"$@$l$,$=$&$5$;$F$$$k$N$+!"$H$$$&OC$G$9!#$I$&$d$i!"$=$l$i$NNQM}9KNN$NGX8e$K$O3005$,B8:_$7$^$9!#$=$3$G!"$3$3$G$OB>$NCDBN$KNQM}9KNN$r$D$/$l$H$$$&F/$-$+$1$r$7$F$-$?CDBN$H$7$F!"(BCPSR$B$N3hF0$r>R2p$7$?$$$H;W$$$^$9!#(B


[slide 22]
CPSR$B$N3hF0(B 

Computer Professionals for Social Responsibility$B!"
$B$3$l$^$GJsF;$5$l$?(B CPSR $B$N
* Hacker Crackdown by Bruce Sterling 

* PGP by Simson Garfinkel 

* SDI$BH?BP1?F0(B 



$B!!$^$:(BCPSR$B$,$I$&$$$&CDBN$+$H$$$&$H!"$=$N@5<0L>>N$O(BComputer Professional for Social Responsibilty$B!"(B $B$9@aL\@aL\$GJsF;$5$l$F$-$^$7$?!#$?$H$($P%V%k!<%9!&%9%?!<%j%s%0$N!V(BHacker Crackdown($B%O%C%+!<$rDI$((B)$B!W!"$=$NK\$N:G=*>O$G(BCPSR$B$,=P$F$-$^$9!#$=$3$G$O4*0c$$$NA\::$r9T$C$?%"%a%j%+$N7Y;!$KBP93$9$kAH?%$N0l$D$H$7$FEP>l$7$^$9!#$^$?!"%7%`%=%s!&%,!<%U%#%s%1%k$,=q$$$?!V(BPGP$B!W$H$$$&K\$K$bEP>l$7$^$9!#$=$l$K$h$l$P!"%U%#%k!&%8%^%^%s$H$$$&?M$,(BPGP$B$H$$$&6/NO$J0E9f%=%U%H$r$D$/$j!"$I$&$d$C$FG[I[$7$h$&$+$HAjCL$r$b$A$+$1$?$N$,(BCPSR$B$N44It$J$s$G$9$M!#(BPGP$B$O0l;~$O%"%s%0%i%=%U%H$N$h$&$KN.DL$7$F$$$^$7$?$,$=$l$K$b(BCPSR$B$O4X78$7$F$$$?$H$$$&$3$H$K$J$j$^$9(B($B:#$G$O9gK!$K$J$j$^$7$?$1$l$I(B)$B!#(B 


$B!!$3$&$$$&$U$&$K3hLv$7$F$$$k(BCPSR$B$G$9$,!"$=$b$=$b$I$&$$$&CDBN$H$7$F=PH/$7$?$N$G$7$g$&$+!#$3$NCDBN$,$G$-$?$-$C$+$1$G$"$k(BSDI$BH?BP1?F0$H$$$&$N$r>R2p$7$?$$$H;W$$$^$9!#(B


[slide 23]
SDI$BH?BP1?F0(B: 1980$BG/BeCfHW(B

SDI (Strategic Defence Initiative: $BDL>N%9%?!<%&%)!<%:7W2h(B)$B$NLdBj(B 

* $B%3%s%T%e!<%?%7%9%F%`$N@H
* $BF0:n%F%9%H$N:$Fq$5(B 

* $B7W2h$N%j%9%/$H%3%9%H(B



SDI$B$H$O(B1980$BG/Be$K=P$?DL>N%9%?!<%&%)!<%:7W2h$N$3$H$G$9!#E(9q$+$i7b$C$F$-$?BgN&4VCFF;%_%5%$%k$r?M9)1R@1$G%-%c%C%A$7$F!"?M4V$,H=CG$9$kA0$K(BAI$B$,$=$l$r<1JL$7$F%l!<%6!


$B!!%P%0$H$$$&$N$O!"e$2$i$l$F$$$^$9$1$I!"(BCPSR$B$O$=$N%Q%k%J%9$r1~1g$7$F$$$^$7$?!#$3$NH?BP1?F0$K$h$C$F(BSDI$B9=A[$H$$$&$N$O$b$&>P$$OC$K$J$j$^$7$?$,!"$^$?:G6a!"4Z9q$N%F%]%I%s$N$;$$$G;w$?$h$&$J7^7b%_%5%$%k9=A[$,=P$F!"F|K\@/I\$b;22C$r7hDj$7$^$7$?!#:#2s$O$5$9$,$K%l!<%6!o$KFq$7$$$b$N$G$9!#$*$=$i$/:G=i$N


$B!!$5$F!"$3$N(BSDI$BH?BP1?F0$rDL$7$F7A@.$5$l$?(BCPSR$B$NJ}?K$O!"73;v5;=Q!"2J3X@/:v!"$=$&$$$&$b$N$r$D$/$k?M$K%3%s%T%e!<%?$N$3$H$,J,$+$C$F$$$J$$$s$8$c$J$$$+!"%P%0$NLdBj$H$+$r9M$($F$$$J$$$N$G$O$J$$$+!"$=$&$$$&5?Ld$,:,5r$K$J$C$?$o$1$G$9!#$=$3$G!"(BCPSR$B$O

[slide 24]
CPSR$B$N3hF0(B

* ``Technology is driving the future... the steering is up to us'' 

* ``If one scientist quietly decides not to do SDI research, the impact is on that person and his or her work. If a whole community is involved, not only is the political impact greater, but the thinking of the entire profession is moved.'' (Terry Winograd) 

ACM Committee on Computers and Public Policy $B$NH>J,0J>e$,(BCPSR$B%a%s%P!<(B (Peter Neumann, 1997) -> ACM$B$N3hF0(B



$B$^$:!"$+$8$NCDBN$r4,9~$`$3$H$K@:NO$r>e$2$F$-$^$7$F$?!#(BACM$B$H$$$&Nc$N:GBg:G8E$N%3%s%T%e!<%?3X2q!"$=$l$N8x6&@/:v$N0Q0w2q$,$"$j$^$9!#$3$l$O%"%a%j%+$N8x6&@/:v$K8B$C$?0Q0w2q$J$s$G$9$1$I!"$=$NH>J,0J>e$,(BCPSR$B%a%s%P!<$K$h$C$F@j$a$i$l$F$$$k$H(B Peter Neuman $B$,(B CPSR $B$N^9V1i$G8l$C$F$$$^$9!#(B 



$B!!R2p$7$?$$$H;W$$$^$9!#(B


[slide 25]
ACM Policy'98

ACM(Association for Computing Machinery, $B:GBg:G8E$N%3%s%T%e!<%?3X2q(B)$B$N(B1998$BG/EYBg2q$O%3%s%T%e!<%?@/:v$,%F!<%^$@$C$?!#(B CPSR$B%a%s%P!<$b%W%m%0%i%`0Q0w2q$K2C$o$C$F$$$k!#(B

* Pamela Samuelson ($B%$%s%?!<%U%'!<%9Cx:n8"(B, $B%G%8%?%kCx:n8"(B)

* John Gage (SUN, NetDay) 

* Ira Magaziner $BBgE}NN>e5i8\Ld(B($B%I%a%$%sL>LdBj(B)



$B$3$N:GBg$N%3%s%T%e!<%?3X2q$K$b(BCPSR$B%a%s%P!<$O>/$J$+$i$:$$$k!"$=$7$F!"$=$l$,$I$&$$$&1?F0$r$d$C$F$$$k$+$H$$$&$3$H$+$i!"(BACM$B$N:#G/$NBg2q$K$D$$$F>R2p$7$^$9!#:#G/$N=U$K9T$o$l$?(BACM$BBg2q$O(BPolicy'98$B$H$$$&L>A0$G$7$?!#(BCPSR$B%a%s%P!<$b$=$N%W%m%0%i%`0Q0w2q$K$+$+$o$C$F$$$^$9!#@h$[$I8@$C$?$h$&$K!"(B2$BF|4V$"$k$&$A$NA0H>$,(BEthics and Social Impact$B!"8eH>$,(BComputer's Policy$B$H$$$&$U$&$KJL$l$F$$$?$s$G$9!#A0H>$NJ}$G$O!"(BCPSR$B$K$D$$$F$NH/I=$b$"$j!"NQM}3X%W%m%Q!<$G$9$H%K%C%;%s%P%&%`$H$+$NH/I=$b$"$j$^$7$?!#F|K\$G8@$($P>pJs=hM}3X2q$,@/:v$H$+


$B!!;d$,8+$?Cf$GFC$K0u>]?<$+$C$??M$r>R2p$7$?$$$H;W$$$^$9!#!!$3$N$h$&$J3hF0$r$7$F$$$k?M$?$A$b$$$?$s$@$H;W$C$?$N$O!"$^$:$O!"%Q%a%i!&%5%_%e%(%k%=%s$H$$$&K!N'$N65$K$J$C$?$N$O(B1980$BG/Be$N%$%s%?!<%U%'!<%9Cx:n8"LdBjAJ>Y$N:"$G$9!#Ev;~!"%$%s%?!<%U%'!<%9$N(BLook and Feel$B$KCx:n8"$rY$,$"$C$?$s$G$9$,!"$3$l$KBP$7$F%Q%a%i!&%5%_%e%(%k%=%s$OO@?X$r$O$j!"LO5<:[H=$r$7$?$j$7$^$7$?!#$=$NIqBf$,(BACM$B$G$7$?!#8=:_H`=w$O@h$[$I$b?($l$?%G%8%?%k%3%T!<%i%$%H$NLdBj$K$D$$$F%3%a%s%H$7$F$$$^$9!#$b$&$R$H$j!"$3$l$O%3%s%T%e!<%?6H3&$N?M$G$9$,!"(BSUN$B$K6P$a$F$$$k%8%g%s!&%2!<%8$H$$$&?M$,$$$^$9!#$G!"$3$N?M$O(BNetDay$B$H$$$&%W%m%8%'%/%H$r?J$a$F%"%a%j%+$N@/:v$K1F6A$rM?$($?$3$H$GCN$i$l$F$$$^$9!#$3$N%W%m%8%'%/%H$O%\%i%s%F%#%"$G>.3X9;$K(B Internet $B5!4o$rF~$l$k$H$$$&$b$N$G$9!#4k6H$,5!4o$r4sIU$7!"%(%s%8%K%"$,>.3X9;$K9T$C$F5!4o$r@\B3$9$k$H$$$&%\%i%s%F%#%"$G$9!#$3$l$O$b$H$b$H%+%j%U%)%k%K%"$G$d$C$F$$$?CO0h%\%i%s%F%#%"$J$s$G$9$,!"$=$3$K%/%j%s%H%sBgE}NN$H%4%"I{BgE}NN$,$d$C$F$-$?$=$&$G$9!#$=$N$"$HBgE}NN$,!"$9$Y$F$N3X9;$r(B Internet $B@\B3$9$k$H$$$&9=A[$r$V$A$"$2$^$7$?!#$D$^$j!"%/%j%s%H%s$N%3%s%T%e!<%?650i@/:v$H$$$&$N$b!"$O$8$a$O%\%i%s%F%#%"$N1?F0$+$i;O$^$C$?$H$$$&$o$1$G$9!#(BACM$BBg2q$G$O!"%8%g%s!&%2!<%8$rI=>4$9$k$K$"$?$C$F!"BgE}NN$+$i$N=q4J$bFI$_>e$2$i$l$^$7$?!#$b$&$R$H$D0u>]$K;D$C$F$$$k$N$O!"(BACM$B$NBg2q$K%"%$%i!&%^%,%8%J!e5i8\Ld$,=P@J$7$F!"%[%o%$%H%O%&%9%l%]!<%H$r9T$C$?$3$H$G$9!#Ev;~$O%I%a%$%sL>LdBj$,O@E@$K$J$C$F$$$^$7$?!#$3$l$O!"$"$kAH?%$K%I%a%$%s%M!<%`$N4IM}$rG$$;$F$$$?$H$$$&@/I\$,!":#8e$OBh;0o$K$b$a$^$7$F!"(B Internet $B%,%P%J%s%9O@Ah$H$$$&$N$,;}$A>e$,$j$^$7$?!#$=$NO@Ah$N:GCf$K%"%$%i!&%^%,%8%J!<$,Mh$F(B($B$^$"!"%5!<%S%9$b$"$k$s$G$7$g$&$,(B)$B!"$3$l$+$i$O@/I\$b%3%s%T%e!<%?6H3&$d%3%s%T%e!<%?%M%C%H%o!<%/FbIt$N@<$r$b$C$H$h$/J9$$$F!"%3%s%T%e!<%?6H3&$,H/E8$7$?$h$&$K8x3+$N>l$G%3%a%s%H$r5a$a$k$s$@$H$$$&$h$&$J$3$H$r8@$C$F$$$^$7$?!#


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[slide 26]
$B%3%s%T%e!<%?@lLg2H=8CD$K$D$$$F$N$^$H$a(B



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Last modified: Thu Jan 13 15:33:28 JST 2000