Link 11 (Dosarrest Internet Security Ltd)

We have been observing an unusual pattern in the IT environment of a public sector customer for quite some time now. The number of unique IP addresses has skyrocketed from 2,000 to 2,500 during peak times to a regular range of 5,000 to 8,000. One would expect a proportional increase in requests and required bandwidth […]

The post Unexplained traffic boom: Why blind spots quickly arise without bot management appeared first on Link11.

A pattern appeared in the monitoring dashboard that indicated a classic DDoS attack. A trading platform was the target of massive web requests: there were two distinct traffic spikes in quick succession, both large enough to bring down an unprotected website. Let’s take a closer look at the larger of the two traffic spikes.  The measured peak values were around 16 […]

The post How a global botnet attacked a trading platform appeared first on Link11.

Volumetric DDoS attacks typically follow a clear pattern: a brief buildup followed by a sudden peak, often within seconds. The target is flooded with traffic until the attackers exhaust their resources, or a mitigation system takes over. However, in the incident described below, a different scenario unfolded. Over the course of several hours, one actor […]

The post An attack in waves: An unusual DDoS incident under the microscope appeared first on Link11.

Link11, a specialized European IT security provider, is expanding its management team: Marc Lamik is taking on the role of Chief Product Officer (CPO) and the responsibility of the company’s product strategy and development. With his international experience, he will be tasked with future-proofing product development and strategy and driving innovation for AI-based next-generation DDoS […]

The post Link11 brings on board Marc Lamik as Chief Product Officer (CPO) appeared first on Link11.

Link11 European Cyber Report: DDoS attacks reach record levels in the first half of 2025 – 225% more documented DDoS attacks and new attack tactics threaten critical infrastructure: 438 terabytes of attack volume – equivalent to over 7 years of Netflix streaming in 4K Increasingly precise Layer 7 attacks that mimic legitimate traffic Politically motivated […]

The post Link11 European Cyber Report: DDoS attacks reach record levels in the first half of 2025 appeared first on Link11.

The pro-Russian hacker group NoName057(16) is making headlines again. Between the end of July and the beginning of August 2025, the public websites of several German cities, including Trier, Mainz, Ludwigshafen, and Koblenz, were the target of coordinated DDoS attacks. These incidents highlight the growing threat posed by politically motivated cyberattacks in the context of […]

The post NoName057(16): Pro-Russian hacker group attacks German cities with DDoS attacks appeared first on Link11.

Many people still think of DDoS attacks as pure volume battles, so when there is talk of terabit peaks, overloaded backbones, and massive bandwidth battles, they sit up and take notice. However, attacks can also take place in other dimensions, but the consequences can still be just as serious.  A recent example shows how precisely […]

The post Layer 7 DDoS: When 16 million sessions hit a server per minute appeared first on Link11.

Link11 has achieved Payment Card Industry Data Security Standard (PCI-DSS) Level 1 certification. This is the highest level of security and compliance in the payment industry, which reinforces the company’s existing security standards. A uniform security framework now applies to all products and services across the entire group. “PCI-DSS Level 1 certification for our entire […]

The post Link11 achieves PCI DSS Level 1 and establishes uniform security standard appeared first on Link11.

Within the space of a few days, Link11 observed a wave of DDoS attacks that stood out – not for their duration or scale, but for their surgical precision. A company in the digital entertainment sector was attacked nine times. Rather than relying on prolonged overload, the attackers opted for a “hit-and-run” strategy: short bursts […]

Der Beitrag Targeted DDoS Series: When Short Attacks Pack a Punch erschien zuerst auf Link11 - Defend. Control. Own..

Link11 today announced the successful mitigation of the largest distributed denial of service (DDoS) attack in Europe, which reached a peak performance of 1.4 terabits per second (Tbps) last week. The attack, one of the most severe cyber threats ever recorded in Europe, was fully mitigated automatically by Link11’s advanced DDoS protection platform, ensuring zero […]

Der Beitrag Link11 Successfully Mitigates Europe’s Largest DDoS Attack, Peaking at 1.4 Terabits per Second erschien zuerst auf Link 11 - We protect better.