Pakistan, April 26 -- The government of Germany has launched an investigation into a suspected cyber campaign targeting politicians, diplomats, military officers, and journalists through the encrypted messaging platform Signal. Officials believe the phishing attacks may be linked to actors associated with Russia, according to government sources familiar with the ongoing investigation. Authorities are now examining digital evidence to determine the origin of the attacks and assess whether sensitive communications were compromised.

Security agencies say the suspected phishing campaign attempted to trick users into revealing login credentials or sensitive information by sending fraudulent messages designed to appear legitimate. Such attacks...