eBay: no idea how account was compromised

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Angus Kidman30 April 2008, 10:11 PM

Despite eBay claiming forcing people onto PayPal will make things safer, here's a clear example of eBay fumbling and tripping over its own tail when my eBay account was hacked.


A central element of eBay's controversial push to make PayPal compulsory is the notion that it can more effectively manage security than other finance providers. However, when problems arise, the auction giant's security department may well be as clueless as everyone else.

I learnt this the hard way last year when there was an unexpected, and still unexplained, intrusion into my account. After more than a month of questions and some shameless exertion of my status as a journalist, the best response eBay could come up with was "We have no idea what happened".

The problems began on August 20 2007 when a message was sent to my eBay account, noting that I'd changed my password. I didn't see this message until I logged into eBay on August 27 (I'm a regular user, but no addict).

The message disturbed me for two reasons. Firstly, I hadn't changed my password, which was self-evident as I'd logged in using the old one. Secondly, it hadn't been copied to my regular email address, unlike most eBay correspondence.

As a result, I assumed that perhaps something was going haywire with eBay's own communications system, and I send a brief note to eBay's internal support system to that effect. I looked around a bit, bid on an item, and logged out again (always a sensible idea even if, like me, you have a PC no-one else routinely uses).

However, when I tried to log in again later that day, I was told that my password was not in fact valid. Support replied to my email later still, suggesting I contact Live Help, eBay's chat-based support system.

After I confirmed my identity and explained the problem, the agent was quick to roll out an explanation. "Our records indicate that your Ebay account password was potentially compromised. In order to prevent any fraudulent activity, we reset your password and temporarily placed a hold on your account. We were able to restrict your account before any unauthorized bids or listings took place."

Oh, really? In that case, why was I able to log in with my old password and place a bid? I tried to put the point gently: "I'm a bit confused as to how the hold process works, given that I got the alert but was still able to bid after that."

The agent responded quickly but not very reassuringly: "Well normally it would block all bidding and buying but because nothing was bid or bought we took a bit longer then normal to block the account."

In other words, even though eBay thought there was a problem with the account, no block was put in place until after a bid had been made. Rather like shutting the stable door after the horse had bolted, I figured, and not a sufficient explanation. I got my password changed (again), but decided further investigation was needed.

So what happened?

Taking advantage of being a journalist, I contacted eBay and asked for a chat with trust and safety director Alastair MacGibbon, who I'd interviewed on several previous occasions (and who has since become the face of the current make-PayPal-compulsory campaign ). MacGibbon promised to investigate, and we had a brief phone chat the next day.

MacGibbon said that there appeared to have been some unauthorised access to my account from a European IP address around August 13, but nothing else was evident other than my own trail of complaints. I pointed out that clearly that wouldn't explain much of the problem, since the alleged password change didn't take place until a week later.

And the big question remained: if eBay could detect a problem on August 13, why could I make an unblocked bid a fortnight later? MacGibbon said that would require further investigation, and promised to get back to me.

That promise took a long time to come to fruition. I nagged eBay for a response on September 3, September 12, and September 28, but it wasn't until the last time that I got a reply by email. And it was not much of a response. MacGibbon wrote:

"We passed your case to our engineering team for analysis. As I mentioned when we spoke, this is a very rare incident. We have not seen any case like this previously. Unfortunately, eBay automatically purges some of its diagnostic logs on a regular basis, so we do not have enough data to reproduce and diagnose what seems to be an anomalous case. We see no reason for you to not to use your account as it was such a rare occurrence."

The uncharitable way of interpreting this is that eBay was stalling and hoping I'd shut up about the problem, and then had to spout this non-explanation when I wouldn't give in. The charitable interpretation is that eBay was trying to investigate but the purge happened before that process finished, which is not very reassuring for anyone else involved in a dispute. But one conclusion is clear: though it may be uncommon, eBay's systems can be manipulated to allow multiple passwords to log into a single account, and probably eBay itself won't be able to tell what happens if that does occur.

Now, I accept that no security system is perfect. Nonetheless, I find it hard to swallow the notion that eBay making PayPal compulsory will dramatically increase system security, because I know that one half of the equation is, to put it kindly, capable of leaking.

And it's worth bearing in mind that I was only able to get the problem investigated to this extent (albeit uselessly) because I'm in the media. Regular customers are stuck with eBay's basic complaints service, which might go some way to explaining why public meetings to discuss the recent PayPal changes are heavily oversubscribed.

Despite the problems, I've kept using both eBay and PayPal-- but I've learnt to keep a very careful eye on what happens, and I'd definitely like the opportunity not to be totally dependent on eBay-owned services if a problem occurs again. Whether I get that choice now seems down to the ACCC.


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Corinth (New user):

Ive also had my fair share of 'eBay hacking' i logged on one day and saw that my account had bidded on a whole array of items, none of which i had any desire of buying. This was early last year, before I was using paypal heavily, and now that my details of paypal are so closely linked to eBay i too am failing to see how the security factor is even slightly justifying why popular payment methods such as DD and COD are now being outlawed. Truth of the matter is, not everyone feels safe about placing their credit card details on the internet, and i can only conclude that a large portion of common eBayers are going to really feel disgruntled when eBay pulls the plug on old style payment options.

McBanjo (Cornerstone member):

I sent a complaint to eBay about a serious fraudulent eBayer who was obviously trying to rip me and others off. The scammer had created a few laptop auctions and finished the auctions early to the first bidder, requesting instant cash payment. After I sent eBay the email, the seller had opened a few other auctions so I made a special effort to send private messages to all the bidders in the auctions involved.

A lot of people were very relieved that they hadn't yet paid them any money.

7 days later I get a message saying that eBay had discovered I may have been dealing with a scammer and that they'd banned the fraudulent account. Hardly a speedy response for something so serious.

Tin (Advanced member):

This is troubling... Once in, a malicious user could view their victims email address, which chances are is the PayPal logon address. If they also use the same password for both, then chances are they now have access to PayPal, which gives them access to fraudulent credit card transactions, bank transactions, etc.

Of course right now the users who don't use PayPal much are likely to use a different password on that, because PayPal's password rules are stricter. But if we are forced into using it all the time as the only option, thousands of users will end up making the passwords the same so they remember them better.

Besides... It doesn't take a super-sleuth to get on Google and find PayPal horror stories.

Steve_08 (User):

same crap different day, well done ebay.

Discosis (User):

Is it possible that the trigger for Ebay locking your account down was your email saying "this is weird..."? It would make sense that later in the day they'd locked you out.

Perhaps whomever accessed your account logged in, changed the password to check that it was working and then changed it back to "your" password afterwards (and maybe Ebays systems only sent one email cos they were close together or something).

Either way, its pretty shoddy practice by Ebay and you raise a good point about dispute handling - if Ebay purges the "diagnostic" data (presumably some form of web/applog) so quickly, then what confidence should I have that they'll even be able to investigate a dispute fairly?

The other question I have is, if this all happened in September 2007 why are we only just hearing about it in May 2008?

Tin (Advanced member):

I suspect because Angus left it alone at the time feeling it was not a big deal. But now it is because eBay are bringing the topic of security and fraud to the discussion themselves.

imeldah (New user):

Seems the ACCC has at least put a hold on ebay's "PayPal only" initiative, at least for the moment. It will be interesting to see eBay's next move to try and wring more money out of their remaining members.

imeldah (New user):

At least the ACCC has now put a hold on eBay's "PayPal only" initiative, for the time being anyway. It will be interesting to see what they will try next to try and wring more money out of their remaining members.

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