"Documented attacks targeting the Link11 network increased by 225% compared to the same period in 2024. The report highlights not only a marked rise in attack frequency but also a substantial escalation in their duration, intensity, and technical sophistication. Notably, attackers deployed volumes reaching 438 terabytes-equivalent to over seven years of continuous 4K Netflix streaming-and increasingly employed Layer 7 attacks that closely mimic legitimate user traffic."
"In the first half of 2025, the volume of attacks totaled 438 terabytes. This corresponds to the data consumption of 7 years of uninterrupted Netflix streaming in 4K resolution. The recorded peak values of 1.2 terabits per second and 207 million packets per second reached dimensions that can overload even high-performance systems. The duration has also increased: the longest documented attack lasted more than 8 days."
""If they are invisible in regular traffic, 20,000 deceptively genuine requests per minute can be more dangerous than 200 million packets per second," explains Jag Bains, VP Solution Engineering at Link11."
DDoS activity escalated sharply in the first half of 2025 with a 225% increase in attacks and 438 terabytes of total attack volume. Peak intensity reached 1.2 terabits per second and 207 million packets per second, while the longest attack exceeded eight days. Attack patterns shifted from short flash events to sustained, coordinated campaigns. Attackers increasingly used Layer 7 techniques that mimic legitimate user behavior, generating deceptively normal requests at high rates. Politically motivated campaigns, including groups like NoName057(16), targeted critical infrastructure, raising concerns for resilience of high-performance systems.
Read at DevOps.com
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