Signal Phishing Campaign Targets German Officials in Suspected Russian Operation
Signal Phishing Campaign Targets German Officials in Suspected Russian Operation
Publish Date: 2026-04-28 09:59:00
Source Domain: securityaffairs.com
Signal Phishing Campaign Targets German Officials in Suspected Russian Operation
Pierluigi Paganini
April 28, 2026

Suspected Russian phishing via Signal targeted German officials, exploiting trust to access accounts and sensitive political communications.
A new wave of cyber operations targeting European political leadership is once again highlighting how modern espionage increasingly relies on deception rather than technical exploits. Recent investigations by German authorities point to a large-scale phishing campaign conducted via the Signal messaging platform, with strong suspicions of Russian involvement.
According to multiple reports [1, 2, 3], the campaign targeted high-profile individuals, including German politicians, ministers, military personnel, diplomats, and journalists. German prosecutors have launched an investigation into what they believe may be a coordinated espionage effort, with early evidence suggesting a state-sponsored actor.
The attack did not rely on malware or vulnerabilities in Signal itself. Instead, it exploited human trust—arguably the weakest link in cybersecurity. Victims were approached through messages impersonating official Signal support or trusted contacts, prompting them to share authentication codes, scan malicious QR codes, or click on crafted links. Once compromised, attackers gained access to private chats, contact lists, and potentially sensitive political discussions.
One of the most notable targets was Julia Klöckner, whose account was reportedly compromised through a phishing attempt embedded in what appeared to be a legitimate group chat linked to her political party. The operation also attempted to target German Chancellor Friedrich Merz, although no compromise was confirmed in that case.
Authorities estimate that hundreds of accounts may have been affected. While Berlin has not formally attributed the campaign, intelligence…