[AusNOG] Estimate of what Google StreetView may have captured

[phil colbourn]

I don't know how many use POP. I suspect it is less with hotmail, yahoo and
gmail.

But true, once you have access to an email account you probably have access
to a lot of info.

On Mon, Jun 21, 2010 at 11:21 AM, Daniel Hood <dsmhood at gmail.com> wrote:

> How many users use POP though? And how many users store / link
> valuable data in their POP account such as their facebook accounts,
> online banking, personal information and passwords for everything.
> They'd only need to get a username and password to a couple of users
> who have "Do not delete from server" set up on their clients to get
> everything.
>
> Daniel
>
> On Sat, Jun 19, 2010 at 3:53 PM, phil colbourn <philcolbourn at gmail.com>
> wrote:
> > I was interested enough (and with time due to ill health) to see if I
> could
> > make an estimate of what Google may have captured.
> > Here are my assumptions:
> > 1. From the ABS December 2009, 5.2M ADSL and Cable
> > subscribers. http://abs.gov.au/ausstats/abs@.nsf/mf/8153.0/
> > 2. 114,400 TB downloaded data per year (ABS)
> > 3. Uploaded data is 10% of downloaded data.
> > 4. All subscribers use unencrypted WiFi.
> > 5. WiFi range is +-250m
> > 6. Sample 5 channels per second (I read this somewhere)
> > 7. Data in overlapping channels can be received in channels 1, 6, 11
> > 8. StreetView car travels at 40km/h between 8:00 and 16:00.
> > 9. Uploaded data is sent evenly throughout the day from domestic homes
> and
> > that between 8:00 and 16:00 the upload data rates are average.
> > 10. Households send 5 non-HTTPS passwords per day.
> > So basically I assume the street car samples 3 channels at the rate of 5
> per
> > second.
> > I calculate the time the car is in range of a WiFi base as 45s and can
> > sample 15s worth of data.
> > This means that they can record about 1400 Bytes of data per SSID.
> > The probability of capturing a password is about 0.1% so about 6000
> > passwords would be captured.
> > If, however, 50% of WiFi is encrypted then the above numbers are halved
> to
> > 700B and 3000 passwords.
> > Based on my assumptions I think the values will be much lower.
> > 1. During the day is not the peak time for downloads from households.
> > 2. Encrypted WiFi is on the increase and seems to be higher than 50%.
> Maybe
> > 80%.
> > 3. Few services use unencrypted passwords - I can not think of any except
> > for POP based email.
> > 4. WiFi range is probably not +-250m and the ability to pickup a
> > transmission from a laptop/mobile at these distances is low.
> > 5. Uploaded data is probably less that 10% of Downloaded data.
> > Does anyone have better assumptions?
> >
> >
> > --
> > Phil
> >
> > http://philatwarrimoo.blogspot.com
> > http://code.google.com/p/snmp2xml
> >
> > "Someone has solved it and uploaded it for free."
> >
> > "If I have nothing to hide, you have no reason to look."
> >
> > "Any sufficiently advanced technology is indistinguishable from magic."
> > Arthur C. Clarke - Who does magic today?
> >
> >
> > _______________________________________________
> > AusNOG mailing list
> > AusNOG at lists.ausnog.net
> > http://lists.ausnog.net/mailman/listinfo/ausnog
> >
> >
>



-- 
Phil

http://philatwarrimoo.blogspot.com
http://code.google.com/p/snmp2xml

"Someone has solved it and uploaded it for free."

"If I have nothing to hide, you have no reason to look."

"Any sufficiently advanced technology is indistinguishable from magic."
Arthur C. Clarke - Who does magic today?
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