Bandwidth works normally again after a cyberattack

Raleigh technology company Bandwidth, a maker of software for voice and text communications over the Internet, said its services are operational again following a cyberattack that caused blackouts earlier this week.

Bandwidth suffered a DDoS attack last weekend – or a distributed denial of service – that caused several days of trouble for the business and ultimately affected work phone lines across the country.

These problems continued to reoccur sporadically until Wednesday evening, Bandwidth spokesman David Doolittle said in an email.

“We saw intermittent disruptions last night around 7:30 to 9:00 pm Raleigh time, but since then our technical teams have been reporting normal network operations with a successful call,” he said.

Bandwidth is one of the largest providers of VoIP technology in the country, which helps businesses connect phones and messaging to customers over the Internet. The company provides key services that make phone calls possible on platforms such as RingCentral, Google, and Zoom. It also helps many 911 emergency services to handle call traffic.

A DDoS attack is a flood of bogus requests and traffic to a company’s website or service. The demands can overwhelm a business, preventing normal users from accessing its services, according to CompTIA, a nonprofit trade association for the information and technology profession.

Company CEO David Morken confirmed the attack with an apology to customers on Tuesday.

“Bandwidth and a number of critical communications service providers have been targeted by an ongoing DDoS attack,” he said. “While we have mitigated most of the intentional damage, we know that some of you were significantly affected by this event. For that, I am very sorry.

Several VoIP providers have been affected by DDoS attacks in recent weeks, including in Canada and VoIP Unlimited in England.

On Wednesday, the Federal Bureau of Investigation said it was in communication with Bandwidth about the attack.

“The FBI is aware of reports of a DDoS attack involving bandwidth,” Shelley Lynch, spokeswoman for the Charlotte Division of the FBI, said in an email. “We are monitoring the situation and have been in contact with the company.”

In the attack on, a ransom was involved. The perpetrators of the attack on demanded that the company pay 100 bitcoins, or roughly $ 4.2 million, to stop the DDoS attack, ArsTechnica reported.

It is not known if a ransom was involved in the bandwidth attack, or if the same people were suspected in all three attacks. Bandwidth declined to comment on details of the attack.

This story was produced with the financial support of a coalition of partners led by Innovate Raleigh as part of an independent journalism scholarship program. The N&O retains full editorial control of the work. Learn more; go to

This story was originally published September 30, 2021 4:46 pm.

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Zachery Eanes is the Innovate Raleigh reporter for The News & Observer and The Herald-Sun. It covers technology, startups and large companies, biotechnology and education issues related to these fields.

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