“The second type of organization that can face inordinate damages from such an attack are those that have embraced the cloud for scalable services,” Clements added. In the current OpenFlow reactive mode, network suffers from DoS attacks due to a lack of flow-level bandwidth control. “By using the name and reputation of the REvil ransomware group in the DDoS extortion demands, the attackers are likely trying to look more menacing than they really are.”Ĭhris Clements, vice presidents of solutions architecture at cybersecurity company Cerberus Cyber Sentinel Corp., noted that a DDoS attack that would otherwise introduce a noticeable but manageable delay in service for many organizations, say half a second up to a second, can make a low-latency provider like VoIP or online gaming effectively unusable. “DDoS attacks and related extortion is nothing new to the internet and has been occurring for years however, as more services are consolidated with single providers, the impact is far greater than if attacking a single organization in the same way,” Erich Kron, security awareness advocate at security awareness training company KnowBe4 Inc., told SiliconANGLE. The ransom demanded started at one bitcoin ($41,384), then escalated to 100 bitcoins ($4.138 million). In both cases, those behind the attacks demanded ransom payments to cease targeting the companies.īleeping Computer reported that the case of VoIP.ms involved threat actors impersonating the ransomware group REvil. providers, VoIP Unlimited and Voipfone, were targeted, while in mid-September, Canadian provider VoIP.ms was also attacked. Bandwidth DoS attacks target the availability of networked services by preventing legitimate users from successfully communicating with the target of the attack. That said, is not the first VoIP provider targeted in a DDoS attack in recent months. Citing that a number of critical communications service providers have been targeted by a rolling DDoS attack in a recent statement, Morken also apologized to those who were significantly impacted. Who is behind the DDoS attack is not known. David Morken, CEO of, has confirmed that a DDoS attack was responsible for recent outages reported on the site on September 27th. EDT, lists partial outages across both inbound and outbound calling services.ī Chief Executive Officer David Morken confirmed the DDoS attack in a message to customers and partners today, saying that “while we have mitigated much-intended harm, we know some of you have been significantly impacted by this event. Since is also a wholesale provider to other VoIP providers, the DDoS attack has also affected services offered by Twilio Inc., Accent Communications Services Inc., DialPad Inc., Inc. 25 and affected voice, messaging, Enhance 911 services and access to its portal. CLEC LLC, a provider of voice over internet protocol or VoIP services, continues to suffer from a distributed denial-of-service attack that has caused outages to its services.
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