Security News Cyber attack takes Frontier Communications systems offline

vtqhtr413

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Aug 17, 2017
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US telecom provider Frontier Communications was forced to shut down a number of its internal systems after detecting an unauthorized third party in its IT environment, shuttering internet access for millions. Frontier Communications said it first detected the unauthorized access on 14 April 2024, before reporting the incident to the SEC on 15 April. The company said it had taken its systems down as part of its incident response protocols in an effort to contain the breach.

Frontier reported it believes it has contained the incident, with its core IT environment already restored, adding that it has also begun efforts to restore normal business operations, but this process is still ongoing. Frontier serves customers in 25 US states, with 3 million broadband subscribers and a fiber optic network consisting of 5.2 million locations, as threat actors continue to target critical national infrastructure organizations to maximize the impact of their attacks.
 

vtqhtr413

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Thread author
Well-known
Aug 17, 2017
1,604
An April cyberattack on a large telecommunications company has been claimed by a ransomware gang that is gaining steam as a cybercriminal operation. On Saturday, the RansomHub operation posted Frontier Communications to its leak site claiming to have the sensitive information of more than 2 million people. The group claimed it spent more than two months attempting to extort the company but never got a response.

Frontier did not respond to requests for comment but reported a cyber incident to the U.S. Securities and Exchange Commission (SEC) in April. At the time, the Dallas-based company said it detected unauthorized access to its IT systems on April 14 and began instituting “containment measures” that included “shutting down certain of the Company’s systems.” The shutdowns caused operational disruption that the company said “could be considered material.”

“Based on the Company’s investigation, it has determined that the third party was likely a cybercrime group, which gained access to, among other information, personally identifiable information,” the company said in the SEC filing. The ransomware gang claimed it had access to names, addresses, Social Security numbers, credit scores and more.
 
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