Panera's failure to disclose a known security breach
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Back in 02 August 2017, security researcher Dylan Houlihan notified Panera Bread of the breach that allowed hackers to access customers personal information via its website, however the company wouldn't take any action until 8 month later on 02 April 2018. This would eventually result in a lawsuit 3 days later, however it was eventually dismissed by the plaintiffs on June 2018.
https://www.malwarebytes.com/blog/news/2018/04/panerabread-com-breach-could-have-impacted-millions
https://medium.com/@djhoulihan/no-panera-bread-doesnt-take-security-seriously-bf078027f815
Contact with Panera Bread
On 02 August 2017, Security Researcher Dylan Houlihan first contacted Panera Bread security director Mike Gustavison of a breach after finding it accidentally through their website, containing customers accounts information that includes full name, home address, email address, food preferences, username, phone number, birthday and last four digits of a debit/credit card in plain text.
The next day, the company responded back, perceiving the message as spam and a attempt at a "sales pitch", suggesting a "better approach" due to demanding a PGP key to be "not a good way to start off". Couple hours later, Dylan Houlihan responded by stating he didn't make any attempts at a sales pitch, along with asking to send the vulnerability information via PGP or email.
On the same day, the company send the researcher the PGP key, after which he sends the report to Panera Bread and in a follow up reply, ask if the company was successful in decrypting the report, however the company didn't respond. Dylan Houlihan would sent several more responses asking for confirmation of successfully decrypting the PGP key, eventually receiving a response on 09 August confirming the decryption.
Incident
8 months later on 02 April 2018, Dylan Houlihan would inform KrebsOnSecurity and Troy Hunt, with Krebs eventually taking on the offer and contacting Panera Bread chief information officers. After contact, Panera Bread website was taken down for about an hour to fix the vulnerability, eventually releasing a statement, stating that the issued has been solved within 2 hours and showcasing their commitment to security.
"Panera takes data security very seriously and this issue is resolved. Following reports of today of a potential problem on our website, we suspended the functionality to repair the issue. Our investigation is continuing, but there is no evidence of payment card information nor a large number of records being access or retrieved."
KrebsonSecurity would respond to this statement soon after on X (formerly Twitter).
"Hey Panera, despite your statements to the contrary, you still haven't fixed this customer info leak. Would you like to revisit the 10k number you just gave to Fox news? https://t.co/AJeiq6Dfd0"
On the same day, KrebsOnSecurity release their report and within 5 minute Panera Bread would release another statement, stating that less than 10,000 were affected by the incidents;
" Our investigation to date indicates that fewer than 10,000 consumers have been potentially affected by this issue, and we are working diligently to finalize our investigation and take the appropriate next steps"
Soon after Panera Bread announcement, it was discovered that the patch wasn't fixed, with KrebsOnSecurity making a post on X (formerly Twitter) refuting the company claims.
"Per my last tweet, Panera issued a statement to Fox News saying the breach only impacted 10,000 customer accounts. Interesting that they had no numbers for me, and yet had this 10k number all ready to go on the same day this was "discovered," eight months after it was reported." "10k records, eh @panerabread ? Isn't that what you told Fox News right after my story ran? Fixed the issue, have you? How do you explain this? https://t.co/tWgSNv71TA"
It was later discovered that the vulnerability affected another one of Panera Breads applications.
"Hey @panerabread : before making half-baked statements to the press to downplay the size of a breach, perhaps you should make sure the problem doesn't extend to all other parts of your business, like https://t.co/rSpkwc3y1v, etc. Only proper response is to deep six entire site"
After several more tweets made by KrebsOnSecurity, Panera Bread would close their website down again, however displaying this message.
Lawsuit
https://www.classaction.org/blog/panera-bread-facing-lawsuit-over-potential-security-breach
Consumer response