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Dutch organizations hit by DDoS attacks, impact is limited


In a recent spate of incidents, a number of Dutch organizations have faced Distributed Denial of Service (DDoS) attacks on their websites. Despite these cyber assaults, the National Cyber Security Centre (NCSC) has reported that the overall impact has been contained.

Websites Temporarily Unavailable Yesterday, the websites of prominent entities such as the Bank Nederlandse Gemeenten (BNG Bank), Maastricht Aachen Airport, and the industry association OV-NL, encountered disruptions due to DDoS attacks, causing temporary inaccessibility. These attacks have been claimed by a hacking collective self-identifying as “NoName05716.” The group has openly stated that these DDoS attacks are a reaction to the Dutch support for Ukraine amid the ongoing conflict with Russia.

The same hacker group has previously targeted other significant websites including the Rechtspraak (Judiciary), the Eerste Kamer (Senate), and several major ports, such as Rotterdam, Amsterdam, Den Helder, Eemshaven/Delfzijl, and Vlissingen/Terneuzen.

Limited and Symbolic Outcomes Thus far, the repercussions of these attacks have had only minor repercussions on the operational continuity of the affected organizations. The NCSC has classified these attacks as having limited and symbolic impacts. Often, these DDoS attacks are employed by groups as a means of drawing attention to their digital offensive strategies and political motivations. Frequently, these claims are disseminated via various social media platforms.

Less Reliance on Websites for Operations The NCSC underscores that many organizations are not heavily reliant on their websites for core operations. This intrinsic lack of dependency on their online platforms has served to mitigate the potential impact of DDoS attacks in most instances. The center is actively monitoring the situation and has issued various informational resources, referred to as “knowledge products,” aimed at assisting organizations in fortifying their defenses against DDoS attacks. Among these resources is a comprehensive guide on “Navigating DDoS Attacks from Hacktivist Groups.”

Preventive Measures and Advice The NCSC has outlined several strategies to preempt DDoS attacks. Organizations are advised to bolster the security of their websites by implementing robust passwords, firewalls, and maintaining up-to-date operating systems. Additionally, the utilization of DDoS protection services is strongly recommended, as they can effectively intercept and thwart DDoS attacks before they compromise the target website’s functionality. In the event of an attack, having a well-devised plan in place to promptly restore website accessibility and minimize the overall impact is deemed crucial.

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