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Cyber resilience made in Germany
This blog is dedicated to analyses and research of cyber security topics and the protection from DDoS attacks provided by
our Link11 experts. Covering multiple aspects of the DDoS threat, it provides in-depth, content
rich information for IT professionals and private users.
Link11 Transforms Executive Management and Establishes Advisory Board
Link11 completes baton handover. As planned, effective December 31, 2022, Marc Wilczek (COO) will step down from the Executive Board and transition into the company’s newly created Advisory Board as per January 1, 2023. In the future, Jens-Philipp Jung (CEO) will assume responsibility for sales, …
New DDoS-Report for 1st half-year of 2022
In the eye of the storm – the number of DDoS attacks is decreasing; at the same time, they are becoming more dangerous. DDoS attacks in H1 2022 quantitative decline (-80%) – attacks instead shorter, more intense, and more sophisticated than ever before Critical payload …
VOIP and DOS / SPIT – History and Challenges
After nearly 20+ years of working in the Telecom arena, I’ve seen a number of developments and challenges within the industry. One such challenge has been the advent of SPIT (Spam Over Internet Telephony), which is unsolicited bulk messages sent over a VOIP system and …
What is Ransom DDoS?
When cybercriminals combine a DDoS attack with a ransom demand, this is known as a ransom DDoS attack (RDDOS). The damage in such a case can be considerable and should not be taken lightly. Typical distributed denial of service attacks are now part of everyday …
HTTP and HTTPS: What is the difference?
The HTTP and HTTPS protocols are important for communication on the Internet and are therefore terms often encountered while browsing the net. But what is the difference between these two protocols? We have all the details. As soon as you enter and confirm an address …
What is Captcha and how does it work?
CAPTCHA is a popular security mechanism that is often used to protect against spam on websites. Almost everyone has had to deal with such verification. CAPTCHA codes come in many different functions and designs – but the bottom line always remains the same: the goal …
SSL/TLS: Overview and history including noteworthy threats
Transport Layer Security (TLS) more commonly referred to as SSL, which is it’s predecessor, is a protocol for encrypting network communication. Whether we realize it or not we use SSL/TLS every time we open our browsers. Website owners and operators have an obligation to ensure …
DoS, DDoS und RDoS – What is the difference?
The three terms DDoS, DoS and RDoS look very similar at first glance and also have many things in common, but despite all this they should be evaluated completely differently. All three definitions are digital attack types that cybercriminals are extremely fond of using to …
New Link11 DDoS Report for 2021
The fight against the Hydra – Complexity and number of attacks increased again! DDoS Report from Link11: Year-on-year comparison 2020/21: Increase of DDoS attacks in the international Link11 network by 41 percent. Highest attack reached around 4.5 Tbps. Average attack bandwidth peak nearly tripled – …
Telcos and Mitigation: The Challenges with Telecom Carrier DDoS Mitigation Solutions
I’ve had the opportunity to work within cloud-based DDoS Mitigation Providers for over a decade, and over that time I’ve seen numerous strategies to deal with DDoS put forth by different sectors of the IT industry. Ranging from the traditional ‘big box’ hardware solutions, to …
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