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Frankfurt am Fundamental, Germany, September ninth, 2025, CyberNewsWire
The menace panorama surrounding distributed denial-of-service (DDoS) assaults intensified considerably within the first half of 2025, in keeping with the most recent Link11 European Cyber Report. Documented assaults concentrating on the Link11 community elevated by 225% in comparison with the identical interval in 2024. The report highlights not solely a marked rise in assault frequency but in addition a considerable escalation of their period, depth, and technical sophistication. Notably, attackers deployed volumes reaching 438 terabytes—equal to over seven years of steady 4K Netflix streaming—and more and more employed Layer 7 assaults that intently mimic respectable person visitors. The report additionally identifies politically motivated campaigns, together with these attributed to teams reminiscent of NoName057(16), concentrating on crucial infrastructure.
File figures: information avalanches and sustained assaults
Within the first half of 2025, the quantity of assaults totaled 438 terabytes. This corresponds to the info consumption of seven years of uninterrupted Netflix streaming in 4K decision. The recorded peak values of 1.2 terabits per second and 207 million packets per second reached dimensions that may overload even high-performance methods.
The period has additionally elevated: the longest documented assault lasted greater than 8 days. The shift from brief flash assaults to coordinated sustained hearth by means of long-term campaigns presents protection methods with ever-changing challenges.
New types of assault: Precision as an alternative of brute drive
Whereas basic volumetric assaults proceed to dominate, Link11 analysts are seeing a big improve in exact Layer 7 assaults. These cleverly disguise themselves in respectable information visitors by producing seemingly regular requests.
“If they’re invisible in common visitors, 20,000 deceptively real requests per minute could be extra harmful than 200 million packets per second,” explains Jag Bains, VP Answer Engineering at Link11.
Politically motivated assaults on crucial infrastructure
The connection between geopolitical occasions and waves of assaults is especially hanging. Professional-Russian teams reminiscent of NoName057(16) focused authorities companies, banks, vitality suppliers, and metropolis administrations in Europe. These assaults typically coincided with safety coverage choices. Different teams, reminiscent of Darkish Storm and Keymous additionally grew to become extra distinguished.
“The size are scary. Within the first half of 2025, we recorded a complete of 438 terabytes of DDoS visitors on the Link11 community. That’s equal to greater than 7 years of continuous Netflix streaming in 4K. Comparisons like this illustrate the menace higher than any statistics,“ says Jens-Philipp Jung, founder and CEO of Link11. ”European firms urgently want resilient protection methods to guard their digital sovereignty.”
Professionalization by means of crime-as-a-service and AI
The assaults should not solely larger and longer, they’re additionally extra professionally organized. Attackers are more and more working collectively, utilizing DDoS-as-a-service platforms and AI to optimize and camouflage their assaults. The World Financial Discussion board highlights this automation in its World Cybersecurity Outlook 2025 as a key driver of the menace panorama.
Resilience as an alternative of response required
The report’s findings present that firms and establishments have to constantly broaden their safety structure. This consists of:
- Actual-time monitoring for early detection of assaults
- AI-supported protection methods for automated mitigation
- Contingency plans and redundancy methods for emergencies
Solely with a mixture of clever protection expertise and clearly outlined resilience methods can the implications of large assaults on enterprise processes and important infrastructures be successfully restricted.
About Link11
Link11 is a specialised European IT safety supplier that protects world infrastructures and net purposes from cyberattacks. Its cloud-based IT safety options assist firms worldwide strengthen the cyber resilience of their networks and important purposes to keep away from enterprise interruptions. Link11 is a BSI-qualified supplier of DDoS safety for crucial infrastructure. With PCI DSS and ISO 27001 certifications, the corporate meets the very best requirements in information safety.
Contact
Lisa Froehlich
Link11 GmbH
[email protected]
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