Yet another AT&T outage that left millions without cellphone access or 911 calls across several states including California, Texas, Kentucky and Florida is now resolved, company says

 ATT has finally restored signal to millions of Americans across several states,after last night's outage left them without cellphone access or 911 calls. 

The outage seemed to have begun Tuesday afternoon,with a spike in reports at around 6pm and 9pm,according to Down Detector - a website that monitors outages.

The states most affected were California,Texas,Alabama,Kentucky,Ohio,Florida,and Georgia. AT&T blamed the issue on a critical failure at one of its switching center,which has resulted in a cascade of problems - including service delays and a complete loss of network connectivity,according to The Mobile Report.

The issue primarily affected iPhone users,and has even affected emergency services,with officials in Seminole County,Florida urging those with an issue to contact its non-emergency line.

An AT&T spokesperson told media outlets: 'We've resolved a software issue that disrupted the ability of a limited number of our customers to connect to our wireless network. 

'We apologize for the inconvenience,and we appreciate our customers' patience as we worked to resolve this issue.'

AT&T went down in February - an outage that hit at least 70,000 Americans for up to 12 hours. Customers lined up at stores during the incident to get answers about having no service

Cyber experts told DailyMail.com that the February issue had hallmarks of a cyberattack,potentially an attempt by hackers to blackmail the company or steal user data.

The widespread nature,according to experts,seemed similar to 'a massive Distributed Denial of Services (DDOS) attack on core Internet infrastructure.'

Using DDOS,cybercriminals are attempting to crash a website or online service by bombarding it with a torrent of superfluous requests at exactly the same time.

The surge of simple requests overload the servers,causing them to become overwhelmed and shut down.

But the U.S. Cybersecurity and Infrastructure Security Agency (CISA) had reported that 'the cause of the outage [was] unknown and there are no indications of malicious activity.'

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