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Topic: Bitcointalk.org Privacy Question (Read 1754 times)

sr. member
Activity: 306
Merit: 250
Donations: http://tny.im/nx
August 30, 2012, 10:08:08 AM
#26
Just act under the assumption everything you send to the Internet is not private (sometimes, even passwords!) and cannot be fully deleted (just like you can't go back in time and mute what you said IRL), and you'll be fine (or you'll become a maniac, not sure...).
vip
Activity: 574
Merit: 500
Don't send me a pm unless you gpg encrypt it.
August 30, 2012, 09:48:22 AM
#25
nothing in plaintext is private on the internetz

This is another good point.  Even if the admins internally deleted posts/messages and ensured no lingering data in backups and periodically destroyed the archive media to prevent recovery it doesn't really matter if the website ends up in the public cache of search engines.

If you want something to be private use technology which keeps it private (like GPG).

The pms aren't google indexable unless you're giving the google spider your credentials.
donator
Activity: 1218
Merit: 1079
Gerald Davis
August 30, 2012, 08:04:29 AM
#24
nothing in plaintext is private on the internetz

This is another good point.  Even if the admins internally deleted posts/messages and ensured no lingering data in backups and periodically destroyed the archive media to prevent recovery it doesn't really matter if the website ends up in the public cache of search engines.

If you want something to be private use technology which keeps it private (like GPG).
newbie
Activity: 26
Merit: 0
August 30, 2012, 07:19:59 AM
#23
Web crawlers are not new and one is built into a very common browser.


Do you mean Chrome? And built by Google?
member
Activity: 65
Merit: 10
August 30, 2012, 03:52:49 AM
#22
Web crawlers are not new and one is built into a very common browser.
newbie
Activity: 11
Merit: 0
August 30, 2012, 02:38:15 AM
#21
nothing in plaintext is private on the internetz
donator
Activity: 1218
Merit: 1079
Gerald Davis
August 30, 2012, 12:43:08 AM
#20
If you want privacy, just use PGP.

This.

I send and receive GPG protected PM everyday.  Nobody can read them except the person(s) with the appropriate private key.
vip
Activity: 1386
Merit: 1140
The Casascius 1oz 10BTC Silver Round (w/ Gold B)
August 30, 2012, 12:35:52 AM
#19
If you want privacy, just use PGP.
administrator
Activity: 5222
Merit: 13032
August 29, 2012, 01:49:37 PM
#18
they can download the backup to have it at multiple locations, but it's useless for them because they don't have the decryption key

This.

Only me, Gavin, Satoshi, and Sirius can decrypt it.
hero member
Activity: 576
Merit: 514
August 29, 2012, 01:42:57 PM
#17
Deleted posts are almost never removed from the database. A PM is removed from the database if the sender and all recipients delete it.

Full database backups are created daily, and all global moderators and admins can download the (encrypted) backups and implement their own rotation policies.
Encrypted as in "they can download the backup to have it at multiple locations, but it's useless for them because they don't have the decryption key",
or encrypted as in "they can download and unpack the backup to read through everything, including PM's, because they too have the keys"?

If it's the second, then this is a huge privacy and security failure.
administrator
Activity: 5222
Merit: 13032
August 29, 2012, 12:51:09 PM
#16
Deleted posts are almost never removed from the database. A PM is removed from the database if the sender and all recipients delete it.

Full database backups are created daily, and all global moderators and admins can download the (encrypted) backups and implement their own rotation policies.
legendary
Activity: 873
Merit: 1000
August 29, 2012, 12:28:04 PM
#15
Four moderators and no one can help me?

i'ld ask for a full refund if i were you.

it's safe to say that nothing is safe and nothing is private here?

it probably works like this.  if the admin wants to know something that was ever posted, pm'd or accessed, presume this is available online or recoverable from backups.  if the admin is being forced to divulge something that was posted, pm'd or accessed (e.g., if given a subpoena), then a retention policy would be produced and any records beyond that are no longer accessible.
sr. member
Activity: 285
Merit: 250
Turning money into heat since 2011.
August 29, 2012, 10:44:50 AM
#14
If you want absolute assurance of what information is persistent -- just assume that anything you send or post could be copied, recovered, and/or reposted by someone else.
legendary
Activity: 1890
Merit: 1086
Ian Knowles - CIYAM Lead Developer
August 29, 2012, 10:00:04 AM
#13
That will depend on how long the backups are kept as well.  If its only a rolling 4 weeks, for example, and the logs are also truncated after 4 weeks, realistically, there's a 2 month window.

True - it very much depends upon how long backups are kept (for my own systems I have backups going back 10 years but perhaps they don't burn backups to CD-R for this forum).
vip
Activity: 574
Merit: 500
Don't send me a pm unless you gpg encrypt it.
August 29, 2012, 09:57:53 AM
#12
Thank you all for the help. I am starting to understand how it works around here.

Nothing to do with this site in particular - any Forum that uses a DB (and are there any that don't?) will always have the entire history of anything stored in the DB in the DB log (this is how DB's that support ACID tx's work).

Even if the log is truncated after every backup it is common practice to backup the current log along with the DB so that if all backups have been kept then it is always possible to do a complete rebuild of the DB from an initial DB and all the backed up logs.


That will depend on how long the backups are kept as well.  If its only a rolling 4 weeks, for example, and the logs are also truncated after 4 weeks, realistically, there's a 2 month window.
legendary
Activity: 1652
Merit: 1128
August 29, 2012, 09:57:06 AM
#11
Quote
Deleted pms will be deleted, but the receiver would still have a copy which he could share with admin via report to admin.

In the case where both the sender and receiver delete the pm, it is still accessible through the database backups, yes?

Thank you all for the help. I am starting to understand how it works around here.

Like he said, that's the way it works on any forum. Everything is accessible from the database, and yes that would include pms.

It's always safe to assume that nothing you post on a forum (or the internet) can be removed entirely.
legendary
Activity: 1890
Merit: 1086
Ian Knowles - CIYAM Lead Developer
August 29, 2012, 09:55:36 AM
#10
Thank you all for the help. I am starting to understand how it works around here.

Nothing to do with this site in particular - any Forum that uses a DB (and are there any that don't?) will always have the entire history of anything stored in the DB in the DB log (this is how DB's that support ACID tx's work).

Even if the log is truncated after every backup it is common practice to backup the current log along with the DB so that if all backups have been kept then it is always possible to do a complete rebuild of the DB from an initial DB and all the backed up logs.
newbie
Activity: 7
Merit: 0
August 29, 2012, 09:47:43 AM
#9
Quote
Deleted pms will be deleted, but the receiver would still have a copy which he could share with admin via report to admin.

In the case where both the sender and receiver delete the pm, it is still accessible through the database backups, yes?

Thank you all for the help. I am starting to understand how it works around here.
legendary
Activity: 1652
Merit: 1128
August 29, 2012, 09:43:08 AM
#8
Yes, both.
legendary
Activity: 1890
Merit: 1086
Ian Knowles - CIYAM Lead Developer
August 29, 2012, 09:42:29 AM
#7
By they, do you mean deleted posts or deleted pms or both?

I think it would most likely be both as presumably they are both stored in the DB.
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