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Signal phishing campaign targets Germany’s Bundestag President Julia Klöckner

Securityaffairs.Co •Pierluigi Paganini • April 24, 2026

Germany’s Bundestag President Klöckner was targeted in a Signal phishing attack via a fake CDU group chat. Germany’s Bundestag President Julia Klöckner has reportedly become the latest European political figure targeted through a Signal-based phishing attack, reported Der Spiegel. The incident is another reminder that even trusted messaging apps can become entry points when attackers […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Phishing Attacks Target German Politicians via Signal App German federal prosecutors have launched an investigation into a series of phishing attacks targeting politicians, military personnel, and journalists using the Signal messaging app. The attacks have reportedly compromised the Signal accounts of Bundestag President Julia Kloeckner and attempted to breach Chancellor Friedrich Merz's account. The phishing method involves social engineering tactics, where attackers impersonate Signal support to extract sensitive information from victims. The domestic intelligence agency BfV has warned that these attacks are likely state-sponsored and are part of a broader campaign that has been ongoing since mid-April. Security services have indicated that the integrity of communications among affected officials is currently uncertain. The attacks are part of a larger trend of cyber threats facing Germany since the escalation of tensions with Russia following its invasion of Ukraine in 2022. The investigation is ongoing, with further details yet to be disclosed. 47 sources 77

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Signal phishing campaign targets Germany’s Bundestag President Julia Klöckner

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