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Author Topic: Are Blockchain.info Passwords Compromized if you get an email?  (Read 1384 times)
ReCat
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September 25, 2013, 07:38:19 PM
 #1

Recently, I have recieved the following email from blockchain.info.



Does this mean that someone tried to login, but they got the WRONG password?

Or does that mean that someone tried to login and they got the RIGHT PASSWORD and then were denied by BlockChain.info because of suspicious activity?
I know that google does this. Quite often when I login to my Gmail from a tor exit node, as well as inputs.io. But does Blockchain.info do this?

It's a DEAD IMPORTANT detail that Blockchain.info doesn't make clear! Is my password compromised or not?!

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cp1
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September 25, 2013, 07:46:06 PM
 #2

Too many people have gotten their coins stolen from blockchain's wallet.  You should just bite the bullet and set one up on your computer.

Guide to armory offline install on USB key:  https://bitcointalk.org/index.php?topic=241730.0
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September 25, 2013, 07:50:11 PM
 #3

i assume being as it says ATTEMPT that they have not gained access to your account, if i where you and had any worth while amount of bitcoin in there id either strengthen the password or move the coins out as it seems someone is trying to get into peoples accounts

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ReCat
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September 25, 2013, 07:51:54 PM
 #4

Too many people have gotten their coins stolen from blockchain's wallet.  You should just bite the bullet and set one up on your computer.

I have one, it's just that running the bitcoin-qt client takes forever to sync the blockchain, and its extremely inconvinient to use.

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September 25, 2013, 07:52:42 PM
 #5

blockchain.info is going up and down looks like either a bruteforce attack thats to heavy and acting more of a ddos or admins are trying to sort the problems out...

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September 25, 2013, 07:53:57 PM
 #6

Too many people have gotten their coins stolen from blockchain's wallet.  You should just bite the bullet and set one up on your computer.

I have one, it's just that running the bitcoin-qt client takes forever to sync the blockchain, and its extremely inconvinient to use.

if your password is pretty secure i wouldn't worry to much about it.... also wheres the email sent from make sure its not some spam email that takes you to a cloned website...

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ReCat
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September 25, 2013, 07:57:24 PM
 #7

Too many people have gotten their coins stolen from blockchain's wallet.  You should just bite the bullet and set one up on your computer.

I have one, it's just that running the bitcoin-qt client takes forever to sync the blockchain, and its extremely inconvinient to use.

if your password is pretty secure i wouldn't worry to much about it.... also wheres the email sent from make sure its not some spam email that takes you to a cloned website...

Yeah. Gmail notifies me if it's coming from a fake server.

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September 25, 2013, 08:09:19 PM
 #8

just typed in the ip address and its a TOR exit node...

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grue
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September 25, 2013, 08:28:30 PM
 #9

just typed in the ip address and its a TOR exit node...
Plus the user-agent shows it's a python (brute forcing?) script :p

It is pitch black. You are likely to be eaten by a grue.

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September 25, 2013, 08:33:59 PM
 #10

I have a blockchain wallet, do you think it is safer to store in Bitcoin QT?

Have 2 way on it.

Checked mine and it was fine.
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September 25, 2013, 09:34:23 PM
 #11

I have a blockchain wallet, do you think it is safer to store in Bitcoin QT?

Have 2 way on it.

Checked mine and it was fine.

if your using a good password then you should be fine. i would strongly suggest using bitcoin qt if you know you can keep your wallet safe

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IncreaseMyT
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September 25, 2013, 09:36:13 PM
 #12

Ok good idea, I have Bit QT setup, just haven't started using it yet.

I am on a mac, so with the firewall I have it probably is the safest way.

Thank You
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September 25, 2013, 09:42:40 PM
 #13

You can use electrum if you don't want to download the blockchain.

Guide to armory offline install on USB key:  https://bitcointalk.org/index.php?topic=241730.0
IncreaseMyT
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September 25, 2013, 09:47:53 PM
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I already downloaded it, took me 4 days, I just hadn't used it yet.  I am afraid to add too many wallets its hard to keep up with all the pass phrases.  Once I become more comfortable I will have multiple wallets for sure Smiley

I sent like 35 in Bit to the BitQT just as trial, it is at 5 unconfirmed so it only took me 30 minutes.

Now that I am familiar with it I am trying to get my clients to use it Smiley  We will see how it goes...
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September 26, 2013, 01:15:15 AM
 #15

You can use electrum if you don't want to download the blockchain.

I wasn't able to import my vanity address to electrum. >.<

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September 26, 2013, 03:11:00 AM
 #16

I wasn't able to import my vanity address to electrum. >.<

I don't know if there's a way with the GUI but you should be able to use importprivkey in the console at least.

Guide to armory offline install on USB key:  https://bitcointalk.org/index.php?topic=241730.0
piuk
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September 26, 2013, 12:35:58 PM
 #17

Does this mean that someone tried to login, but they got the WRONG password?

Or does that mean that someone tried to login and they got the RIGHT PASSWORD and then were denied by BlockChain.info because of suspicious activity?
I know that google does this. Quite often when I login to my Gmail from a tor exit node, as well as inputs.io. But does Blockchain.info do this?

It's a DEAD IMPORTANT detail that Blockchain.info doesn't make clear! Is my password compromised or not?!

It means someone opened your wallet login page from an unknown browser. It doesn't mean someone has the right or wrong password, they were denied from trying any password.

Your alias is the same as your bitcointalk username which means anyone can visit http://blockchain.info/wallet/ReCat and you will receive "authorisation required" email. Changing your alias to something more obscure should prevent you receiving any more of these emails.


marcovaldo
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September 26, 2013, 02:33:39 PM
 #18

No, nothing is compromised. It is normal.



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ReCat
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September 26, 2013, 03:10:51 PM
 #19

Does this mean that someone tried to login, but they got the WRONG password?

Or does that mean that someone tried to login and they got the RIGHT PASSWORD and then were denied by BlockChain.info because of suspicious activity?
I know that google does this. Quite often when I login to my Gmail from a tor exit node, as well as inputs.io. But does Blockchain.info do this?

It's a DEAD IMPORTANT detail that Blockchain.info doesn't make clear! Is my password compromised or not?!

It means someone opened your wallet login page from an unknown browser. It doesn't mean someone has the right or wrong password, they were denied from trying any password.

Your alias is the same as your bitcointalk username which means anyone can visit http://blockchain.info/wallet/ReCat and you will receive "authorisation required" email. Changing your alias to something more obscure should prevent you receiving any more of these emails.



Thanks. Good post, gets right to the point.

Anyways, Someone from the UK with a 10.8.5 macbook is trolling me. Stawp. Tongue

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Joe200
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September 26, 2013, 06:45:10 PM
 #20

Too many people have gotten their coins stolen from blockchain's wallet.  You should just bite the bullet and set one up on your computer.

Like who? Links please.
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