Meta Files Contempt Against NSO Group Over Pegasus Spyware

Meta Escalates Legal Pressure on NSO Group with Contempt Filing

Meta announced this week that it is filing a contempt motion against Israeli spyware firm NSO Group for failing to comply with a US court order that prohibits targeting WhatsApp users. The move marks the latest chapter in a long-running dispute between the social media giant and the Herzliya-based company. Court documents indicate that Meta is asking the US justice system to enforce penalties after evidence emerged of continued activity involving Pegasus spyware.

Israeli officials have not issued an immediate public response, though the case touches on sensitive issues for the country's cybersecurity exports. NSO Group operates from its headquarters in Herzliya, a hub for technology firms north of Tel Aviv, and its products have long been part of Israel's broader defense and intelligence ecosystem.

Allegations of Phishing Campaigns and Pegasus Testing

The complaint accuses NSO of running a phishing campaign that tricks users into clicking links leading to malicious websites. Meta further alleges that NSO tested Pegasus spyware on WhatsApp accounts and groups, actions that directly violate the existing injunction. These claims are detailed in filings submitted to the US District Court for the Northern District of California.

Meta's statement emphasizes that such operations undermine user safety on its platform. The company points to technical evidence gathered by its security teams showing repeated attempts to exploit WhatsApp infrastructure despite the court prohibition. No specific names of targeted individuals appear in the public portions of the new motion.

Previous Six-Year Legal Battle and Financial Penalties

The current filing builds on a dispute that began in 2019 when Meta engineers detected NSO using Pegasus to target over 1,400 WhatsApp users. That earlier case concluded last year after six years of litigation, resulting in NSO being ordered to pay $167 million in damages to Meta. The settlement also included a permanent injunction barring NSO from accessing WhatsApp systems.

US government records show that NSO was subsequently blacklisted by the Commerce Department as a company engaged in activities considered dangerous to US national security. This designation has restricted the firm's ability to acquire certain American technologies and has complicated its international operations.

NSO's Defense and Reliance on Pegasus Sales

NSO has argued in prior court submissions that the injunction jeopardizes its principal product, Pegasus, which represented 100% of the company's sales in 2025. Company representatives have maintained that Pegasus is sold exclusively to government clients for lawful surveillance purposes, such as counterterrorism investigations.

Pegasus exploits zero-day vulnerabilities in mobile operating systems, a capability that has drawn both commercial interest and regulatory scrutiny worldwide. The firm contends that further restrictions could threaten its viability as an Israeli exporter operating under strict defense export controls.

Impact on Israel's Cybersecurity Sector and Herzliya Tech Cluster

The renewed legal action carries direct implications for Israel's cybersecurity industry, which employs thousands in the Herzliya and Tel Aviv areas. Companies in this sector often navigate complex export licensing requirements tied to both Israeli defense policy and foreign customer demands. A contempt finding could influence how other Israeli firms approach similar dual-use technologies.

Industry analysts note that NSO's challenges may prompt greater caution among investors and partners in the spyware niche. At the same time, Israel's broader tech ecosystem continues to expand in areas such as enterprise software and artificial intelligence, sectors less directly affected by the WhatsApp litigation.

Diplomatic and Strategic Ramifications for US-Israel Relations

From a diplomatic standpoint, the case highlights ongoing tensions between US regulatory priorities and Israeli security interests. Washington has maintained close intelligence cooperation with Israel even as it has imposed restrictions on specific companies. The blacklisting of NSO and the current contempt motion reflect American concerns over the proliferation of commercial surveillance tools.

Israeli policymakers have historically balanced support for the country's defense exporters with the need to preserve strong ties to the United States. Any escalation in penalties could prompt quiet diplomatic engagement between the two governments, particularly given the shared focus on regional security threats emanating from Gaza, the West Bank, and beyond.

Meta's decision to pursue contempt proceedings underscores the platform's determination to protect its global user base. For NSO, the outcome may shape not only its own future but also the operating environment for other Israeli firms involved in advanced digital surveillance technologies.