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Blog

Italian Blocking Demands: Following a Bad Example

While our case in Germany has been found in favor of Quad9, we have been served with another demand from commercial interests in an EU nation to block domain names, again based on alleged copyright violations. Italian legal representatives have presented us with a list of domains and a demand for blocking those domains. Now we must again determine the path to take forward fighting this legal battle, in another nation in which we are neither headquartered nor have any offices or corporate presence.

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Blog

Quad9 Turns the Sony Case Around in Dresden

Today marks a bright moment in the efforts to keep the internet a neutral and trusted resource for everyone. Quad9 has received word from the courts in Dresden, Germany in the appeal of our case versus Sony Entertainment (Germany). The court has ruled in favor of Quad9, clearly and unequivocally. Needless to say, we are elated at the news.

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Press

SISA and Quad9 Join Forces to Enhance DNS Cybersecurity

As a member of the Swiss Internet Security Alliance (SISA), we will make a (further) contribution to ensure that Switzerland is the most secure internet country in the world. Together with SISA, we will help to raise public awareness of potential dangers in relation to internet use and internet-connected devices.

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Rack of servers and networking equipment, lit with white light from the back.
Blog

Quad9 Cybersecurity Trends and Insights | Q3 2023

In the third quarter, our users were targeted by a variety of threats, including phishing, banking trojans, crypto-malware, and stalkerware. This quarterly report analyses the top malicious domains blocked by Quad9 DNS and the threats associated with them. For more detailed data on the specific threat categories and volumes of attempted access, please refer to the dedicated sections of this report.

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Blog

Quad9 & Sony Music: German Injunction Update for July 2023

Quad9 has been part of a potentially precedent-setting legal case involving Sony Music Entertainment (Germany). The suit involves Sony’s demand that Quad9 block DNS resolution for our users for a specific domain, unrelated to Quad9, on which Sony asserts there are web-based links that lead to copyright-infringing content.

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Blog

Will AI Accelerate Cybersecurity and Privacy Threats?

While AI tools have the ability to enhance security measures and combat threats, they can also be misused by threat actors to accelerate the deployment of malicious tools and increase the frequency of attacks. However, AI can be used to predict, identify, and combat cybersecurity threats and it can also serve as a cybersecurity advisor for average internet users. Users should still take precautionary measures to protect their online privacy and security, including using cybersecurity-focused DNS resolvers like Quad9.

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Blog

Quad9 Cybersecurity Trends and Insights | May 2023

This month, Quad9 will begin presenting the region's top identified and blocked threats. In April 2023, we observed three areas where users were targeted with DDoS, crypto-miners, and banking trojans.

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Blog

Quad9 Cybersecurity Trends and Insights | April 2023

During March 2023, malvertising and potentially unwanted programs (PUPs) continued to be one of the most frequently identified and blocked threats. Observations of this threat type have become increasingly common in recent months.

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Blog

Quad9 Cybersecurity Trends and Insights March 2023

Last month, Quad9 observed a diverse array of threat categories. Among the many categories of threats blocked and analyzed, the top three were malvertising, DDoS, and banking trojans. The graphic below represents Quad9’s identified malware trends by threat category during February 2023 — all of which were blocked by Quad9.

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Blog

The Danger of Content Blocking Measures by DNS Recursive Resolvers

DNS recursive resolvers play a crucial role in the functioning of the internet by translating domain names into IP addresses. However, they should not act as gatekeepers for content, which can be subjective and varies from jurisdiction to jurisdiction. Users of Quad9 opt-in to our service and want the cyber protection that we enable for them. Blocking a domain for distributing malware is motivated by the desire to protect users from malicious or harmful content, such as viruses, phishing scams, or other threats. These types of protective DNS services blocking a domain for malware is a form of user opt-in filtering. The intention is to protect users from harm and does not necessarily involve restricting access to specific types of content.

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