What if it doesn't affect the ISP? (was Re: What do you want your

Bits are bits, very few of them actually impact the ISP itself. Most

  Lies! all the bits that pass through the ISP impact
  the ISP. Generally in the fiscal arena. More bits == More cash.
  

Or some major ISPs seem to have the practice of letting the infected
computers continuing attacking as long as it doesn't hurt their
network.

  Or for fiscal reasons...

-- bill (being cynical in WDC)

Bits are bits, very few of them actually impact the ISP itself. Most

  Lies! all the bits that pass through the ISP impact
  the ISP. Generally in the fiscal arena. More bits == More cash.
  
Actually, there can be some debate to this point. Bits really don't cost
anything more until they fill a link and require the purchase of additional
bandwidth. Otherwise, generally, for ISPs, the finanancial impact of an
empty link is often more expensive than that of one full of bits.
(often, bits are billable. Idletime is almost never billable)

Or some major ISPs seem to have the practice of letting the infected
computers continuing attacking as long as it doesn't hurt their
network.

  Or for fiscal reasons...

-- bill (being cynical in WDC)

Yep.

Owen