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> You have to open a channel for communication with eSignal and back.
> Your computer is totally naked in front of eSignal. Company can and
> will take a look on your secret trading system(s).
Not true. You open a specific port to eSignal. The software that
monitors that port only responds to specific requests. It doesn't
open up the computer "totally naked" to eSignal or anybody else.
Think of it like a telephone. Just because somebody knows your phone
number doesn't mean they can peek into your bedroom. You only allow
certain things to happen when you pick up the phone.
Now if you answer the phone in your bedroom and leave it off the hook
when you're, ahhh, "busy," then the caller might get an earful.
That's sort of like what can happen with buggy software (e.g.
anything from Microsoft :-). Poorly written software might have some
kind of error or weakness that allows a clever hacker to worm his way
into the system. But ordinarily an open port tells a hacker nothing,
except that a computer exists at that address. (Which he could then
decide to attack through other means.) Sort of like the difference
between somebody calling your number and getting a ring tone vs. a
"cannot connect to that number" message.
Gary
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