But
crossing one boundary is enough for requiring authentication
with a new resource manager. No central authority on the
Internet can make informed decisions about who can access
what, and there are all the reasons to believe that there will
never be one. The network is simply too vast, diverse, and rapidly
changing for tolerating the tight governance that would
make such an authority feasible at all.
The result is that every user now bears the burden of a formidable
number of credentials, one for each and every site and
service mentioned in the ???The Rush to Web 2.0 and Asset
Virtualization??? section. We have seen how hard is for users to
remember onepassword for accessing the network at the workplace.
Multiplying this by at least 23 can start giving an idea of
the strain we are all suffering today. The literature even has a
term for the subject: password fatigue.
One ?¬?rst consequence is the wild reuse of passwords. Besides
all the malpractices described in the previous section, the sheer
number of credentials you have to use makes the temptation of
reusing the same passwords across unrelated sites hard to resist.
Unfortunately, it is also a really bad idea.
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