The Netherlands has issued a fresh cybersecurity alert after discovering that hackers believed to be linked to Russia successfully breached messaging accounts on platforms such as Signal and WhatsApp. According to Dutch authorities, the campaign targeted government officials, journalists, and other individuals connected to sensitive political and policy matters. Security agencies say the attacks form part of a broader espionage effort aimed at collecting information and monitoring communications across Europe.

Messaging Apps Targeted Despite Strong Encryption

Signal and WhatsApp are widely known for their end-to-end encryption, which protects the content of messages from interception. However, investigators say the attackers did not necessarily break the encryption itself. Instead, they reportedly used tactics such as phishing, malware, or device compromise to gain access to user accounts. Once access was obtained, hackers could read messages directly from the victim’s device or linked account.

Officials and Media Workers Among the Main Targets

Dutch cybersecurity experts revealed that individuals working in government institutions, defense-related sectors, and the media were particularly affected by the attacks. Journalists covering geopolitics, security, or the war in Ukraine were considered high-value targets. Officials believe the hackers were seeking confidential discussions, political insights, and potentially sensitive documents shared through private messaging apps.

Part of a Larger Cyber Espionage Campaign

Authorities in the Netherlands say the activity fits the pattern of known Russian-backed cyber groups that have previously targeted European institutions and NATO member states. These groups often conduct long-term surveillance operations, gathering intelligence rather than immediately disrupting systems. Analysts warn that such campaigns can help adversaries understand policy decisions, diplomatic strategies, and military planning.

Government Urges Stronger Digital Security Measures

Following the discovery, Dutch security agencies advised government officials and journalists to strengthen their digital defenses. Recommendations include enabling multi-factor authentication, avoiding suspicious links or files, regularly updating devices, and being cautious about unexpected login requests. Officials also stressed the importance of using secure devices and verifying the identity of contacts before sharing sensitive information.

Growing Concern Across Europe

The warning from the Netherlands highlights growing concerns about cyber threats linked to geopolitical tensions. European governments have repeatedly accused Russian-linked hacking groups of conducting espionage and influence operations. As digital communication becomes central to diplomacy, journalism, and governance, cybersecurity experts say protecting messaging platforms and personal devices is becoming increasingly critical.