Link 11 (Dosarrest Internet Security Ltd)

Some DDoS attacks are loud. Others are large. And still others are one thing above all else: widespread. A recent incident in the Link11 network shows how effective so-called carpet bombing can be. Within just two minutes, not a single server but an entire “/20 network” with more than 4,000 IP addresses was attacked.  What at first glance appears […]

The post When an entire network comes under attack: Carpet bombing as a DDoS strategy  appeared first on Link11.

Link11, a European provider of cloud-based IT security solutions, was honored at the G2 Best Software Awards 2026, ranking 22nd in the Best German Software Companies category. As the world’s largest software marketplace, G2 reaches over 100 million buyers annually. The regular Best Software Awards recognize the world’s best software companies and products based on authentic and […]

The post Link11 ranks among the best German software companies at the G2 Awards appeared first on Link11.

Artificial intelligence is fundamentally changing internet traffic. But while many companies are already feeling the strain of AI crawlers on their infrastructures, they often lack clarity, reliable data, and operational control. With the new “AI Management Dashboard,” the European IT security provider is closing this gap and, for the first time, making AI traffic transparent, controllable, and […]

The post Link11 launches AI Management Dashboard for clean traffic appeared first on Link11.

On Wednesday morning, Deutsche Bahn reported what many travelers were already feeling: the booking app DB Navigator and the website bahn.de were down following a massive DDoS attack. The pro-russian hacker group ‘NoName057’ has since claimed responsibility, underscoring the incident’s geopolitical dimension. Although the systems were stabilized, this incident is more than just a fleeting […]

The post 3 Learnings every Company should draw from the DDoS Attack on Deutsche Bahn appeared first on Link11.

We are at a historic turning point for the internet. What was already becoming apparent in 2024 is now a reality: Automated traffic has overtaken human traffic and now accounts for over 51% of all data traffic.  The driving force behind this development is no longer just classic search engine bots or malicious attackers but a new, explosive category: AI crawlers. […]

The post From Blind Spots to Conscious Decisions: Why AI Governance Starts Today appeared first on Link11.

In January, our analysts observed an unusual attack pattern at a major European e-commerce provider. It was not a classic DDoS attack with massive traffic volumes. Instead, over several weeks, there was a subtle, recurring increase in load that noticeably slowed down the web shop on Mondays.  This case is exemplary of a new generation of attacks in which […]

The post When real devices become weapons – a new form of low-and-slow attack  appeared first on Link11.

The digital threat landscape is becoming more complex every day, and with it, the pressure on companies to ensure data security and regulatory compliance is growing. But how can you be sure that your cybersecurity partner isn’t just talking about protection, but also demonstrably practicing it? How do you know who you can trust with […]

The post Tested and certified to be secure: How five key security standards protect your company appeared first on Link11.

Thursday – 29th January 2026 – 14:00 CET In an era where web applications and APIs form the backbone of digital business models, they have also become prime targets for cyberattacks. Companies face the challenge of managing a growing and increasingly complex threat landscape without complicating performance or administration. In this webinar, you will hear […]

The post Webinar: Unlocking Web & API Security appeared first on Link11.

DDoS attacks are often perceived as immediate disruptive actions. Servers become unavailable, websites crash, and services fail. But not every attack has this goal. A recent attack campaign shows that DDoS attacks are increasingly being used as a tool for preparation, analysis, and testing—quietly, persistently, and strategically.  A recent attack, which initially appeared unspectacular, showed a familiar pattern at first glance: a […]

The post When DDoS Attacks aren’t the Main Event   appeared first on Link11.

Combining advanced cybersecurity solutions with local expertise for stronger protection and faster deployment. Link11, a global IT provider of advanced cybersecurity solutions, announced a strategic partnership today with Panera, a well-established Israeli distributor and integrator of cybersecurity technologies. This collaboration aims to expand Link11’s market presence in Israel, strengthen customer relationships, and improve technical capabilities.  […]

The post Driving Cyber Resilience in Israel: Link11 and Panera Launch Strategic Partnership appeared first on Link11.

Link11, a European IT security provider that protects organizations worldwide from cyberattacks on infrastructures and web applications, today announces it is further strengthening its presence in the Netherlands.  Link11 is already active in the Netherlands, supporting clients in sectors such as transport, ticketing, e-commerce, and retail. Well-known names like TransLink and TicketSwap use Link11’s cloud-native solutions […]

The post Link11 expands dutch operations in response to emerging cyber threats appeared first on Link11.

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..