AT&T cybersecurity breach could impact county residents – Times-Standard | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #ransomware

AT&T recently discovered a massive data breach that could impact county residents. It is unclear what data and how many local residents are involved. (Photo by Tim Boyle/Newsmakers via Getty Images)

Last Saturday, AT&T disclosed that a massive cybersecurity breach leaked sensitive customer information, including social security numbers, on the dark web.

The telecommunications giant is sending letters and emails to affected customers – including ones in Humboldt County – though if residents’ data was leaked, it’s unlikely the source would be a county government database, since AT&T does not have access to that type of data from county agencies.

“The County of Humboldt has not received any notification from AT&T regarding a potential data breach. Our Information Technology Division would expect to receive a notification if our government’s account data was compromised. It should be noted that AT&T is merely our government agency’s internet service provider,” county spokesperson Cati Gallardo said. “Resident data that our agency possesses is stored elsewhere and AT&T does not have access to this data.”

Responding to several emailed questions – including if they’ve identified any leaks to Humboldt County customer data – an AT&T spokesperson sent the press release issued on Saturday and a Q&A website for residents about securing their personal information.

“AT&T has launched a robust investigation supported by internal and external cybersecurity experts. Based on our preliminary analysis, the data set appears to be from 2019 or earlier, impacting approximately 7.6 million current AT&T account holders and approximately 65.4 million former account holders,” the release said.

The FAQ advises customers to reset passcodes – the company said it already reset the passcodes for impacted accounts – and closely monitor their credit activity. Customers can also use multi-factor authentication to further secure accounts.

The full FAQ can be viewed at

Jackson Guilfoil can be reached at 707-441-0506.


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National Cyber Security