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Home Technology Security

Malicious IoT botnet activity up sharply

FutureIoT Editors by FutureIoT Editors
June 9, 2023
Photo by Yan Krukau from Pexels: https://www.pexels.com/photo/photo-of-woman-showing-frustrations-on-her-face-4458420/

Photo by Yan Krukau from Pexels: https://www.pexels.com/photo/photo-of-woman-showing-frustrations-on-her-face-4458420/

The Nokia Threat Intelligence Report 2023 has found that IoT botnet DDoS (Distributed Denial of Service) traffic, originating from a large number of insecure IoT devices with the aim of disrupting telecom network services for millions of users, increased fivefold over the past year, following Russia’s invasion of Ukraine and stemming from the growing increase in profit-driven hacking collectives operated by cybercriminals.

This sharp increase, also supplemented by the increased use of IoT devices by consumers around the world, was first noticed at the beginning of the Russia-Ukraine conflict but has since spread to other parts of the world, with botnet-driven DDoS attacks being used to disrupt telecom networks as well as other critical infrastructure and services.

The number of IoT devices (bots) engaged in botnet-driven DDoS attacks rose from around 200,000 a year ago to approximately 1 million devices, generating more than 40% of all DDoS traffic today.

The most common malware in telecommunication networks was found to be a bot malware that scans vulnerable devices, a tactic associated with a variety of IoT botnets. There are billions of IoT devices worldwide, ranging from smart refrigerators, medical sensors, and smartwatches; many of which have lax security protections.

The report also found that the number of trojans targeting personal banking information in mobile devices has doubled to 9%, putting millions of users around the world at heightened risk of having their personal financial and credit card information stolen. A trojan is nefarious software code disguised as being safe for use.

The report, however, did find some encouraging news, showing that malware infections in home networks declined from a Covid-high of 3% to 1.5%, close to the pre-pandemic level of 1%, as malware campaigns targeting the wave of at-home workers tapered off, and more people returned to office work environments.

Based on data aggregated from monitoring network traffic on more than 200 million devices globally where Nokia NetGuard Endpoint Security product is deployed, the report underlines both the scale and sophistication of cybercriminal activity today.

Hamdy Farid, senior vice president for business applications at Nokia noted that a single botnet DDoS attack can involve hundreds of thousands of IoT devices, representing a significant threat to networks globally.

"To mitigate the risks, it’s essential that service providers, vendors, and regulators work to develop more robust 5G network security measures, including implementing telco-centric threat detection and response, as well as robust security practices and awareness at all company levels."

Hamdy Farid
Related:  New Optus-Nokia IoT tie-up targets Australia's heavy industries
Tags: DDOSNokia
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The race to harness the power of Internet of Things (IoT) is here. FutureIoT is dedicated to individuals, as well as public and private organizations looking to tap the potential of IoT to transform the way we live, work and do business. FutureIoT is the dedicated media that provides the single source of truth about IoT, the technology, its application and regulation, originating from Asia. << Read more >>

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