London Daily

Focus on the big picture.
Monday, Apr 06, 2026

NSO: Watchdog warned UK government of spyware infections inside 10 Downing Street

NSO: Watchdog warned UK government of spyware infections inside 10 Downing Street

Digital rights watchdog group Citizen Lab said on Monday it had warned British officials that electronic devices connected to government networks, including some inside the prime minister's office and foreign ministry, appeared to be infected by UAE with Israeli-made NSO spy software.
The spy software is known as Pegasus, a product of Israeli cyberarms dealer NSO Group, according to a blog post published by Citizen Lab.

"We confirm that in 2020 and 2021 we observed and notified the government of the United Kingdom of multiple suspected instances of Pegasus spyware infections within official UK networks," the blog post reads.

An NSO spokesperson said the allegations are "false and could not be related to NSO products for technological and contractual reasons".

A British government spokesperson said "we do not routinely comment on security matters".

Citizen Lab said it believed the targeting connected to the prime minister's office was done by NSO clients in the United Arab Emirates while the British foreign ministry hacking came from other countries, including Cyprus, Jordan and India.

Cyprus authorities "categorically deny" any involvement in the matter, government spokesperson Marios Pelekanos told Reuters.

"However, to avoid any further speculations on a Cyprus link, we note that the Government of the Republic of Cyprus, which enjoys excellent relations with the British Government in all fields, has never been approached with any sort of inquiry on the subject at large by the relevant British authorities," he said in an emailed statement.

Government spokespeople for the United Arab Emirates, Jordan and India did not immediately respond to requests for comment.

Pegasus can be used to remotely break into iPhones, giving clients deep access into a targeted phone's memory or turning them into recording devices.

Citizen Lab found evidence of the compromised UK devices by monitoring internet traffic and other digital signals to spy servers that control Pegasus for various NSO clients.

"We identified infections emanating from those UK networks based on a variety of network scanning methods we use, and notified the relevant UK authorities of our suspicions at the time for them to follow up," Citizen Lab Director Ron Deibert wrote in the blog post. "We did not have access to any devices, and do not have any information on specific victims."

Citizen Lab is known as one of the leading research groups on mercenary spyware within the cybersecurity industry.

The hacking activity connected to the British prime minister's office was investigated by the UK National Cyber Security Centre, where technicians tested multiple phones to find malware, according to a New Yorker article about NSO Group also published on Monday, but the findings were inconclusive.
Newsletter

Related Articles

0:00
0:00
Close
UK Considers Deploying Aircraft Carrier for US Independence Day Celebrations Amid Renewed Transatlantic Focus
United Kingdom Moves to Attract AI Firm Anthropic Amid Tensions with US Defense Officials
RAF Intercepts Iranian Drones in Middle East to Defend Allied Security Interests
Labour Signals Shift on Foie Gras and Fur Restrictions to Advance EU Trade Talks
Seven Arrested Near RAF Base as UK Authorities Respond to Protest Activity
Economic Pressures Mount as Analysts Warn UK Growth Is Being Constrained by Policy Burdens
UK Green Party’s Push for Church-State Separation Sparks Debate Over National Identity
Strategic Island Emerges as Growing Challenge for United States and United Kingdom Defense Planning
Pepsi Pulls Sponsorship from UK Festival Following Backlash Linked to Kanye West
Signs Emerge of Declining Enthusiasm for Social Media in the United Kingdom
Security Alert Raised Ahead of Meghan Markle’s Planned Visit to Australia
UK Food Halls Defy Hospitality Slowdown, Emerging as Bright Spot in Challenging Market
UK Sets Firm Conditions for Military Action, Insisting on Legal Mandate and Clear Strategy
UK Medicines Regulator Launches Probe into Peptide Clinics Over Health Claims
New North Sea Drilling Unlikely to Significantly Cut UK Gas Imports, Analysis Finds
Woman Linked to UK’s First All-Female Terror Plot Faces Deportation
Downed US Aircraft Over Iran Linked to Operations from UK Airfield
Two Men and Teen Detained in UK Following Attack on Jewish Charity Ambulance
UK Police Launch Inquiry After Firearms Left Unattended Outside Mayor’s Residence
Giuffre Family Calls on King Charles to Meet Epstein Survivors During US Visit
Amber Wind Warning Issued as Storm Dave Approaches Parts of the United Kingdom
Prince Harry and Meghan’s Australia Visit Set to Draw Heightened Global Attention
UK Considers Entry Fees for Overseas Visitors at Major Museums Ahead of 2026 Travel Season
UK Prime Minister and Kuwait Crown Prince Coordinate Security Response After Regional Escalation
Calls Grow to Expand Fully Paid Maternity Leave for UK Teachers Amid Workforce Pressures
UK Secures Tariff-Free Access to US Market in Landmark Pharmaceuticals Agreement
Trump Projects Strength in Critique of UK Leadership and Naval Readiness
UK FinTech Setback as VibePay and Smartlayer Cease Operations Amid Funding Pressures
UK Leads Global Coalition of Over Forty Nations to Address Strait of Hormuz Crisis
UK Firms Urged to Accelerate Preparation as New Sustainability Reporting Rules Take Shape
UK Moves Rapid Sentry Air Defence System to Kuwait After Drone Strike Escalation
Transatlantic Relations Tested as UK Seeks Balance While Trump Reshapes Strategic Approach
Trump’s Strategic Pressure on UK Seen as Push for Stronger Alignment and Fairer Terms
UK Focuses on Trade Finance to Secure Critical Materials for Defence and Energy Sectors
Majority of UK Businesses Hit by Middle East Conflict While Confidence Holds Firm
UK Royal Navy Faces Renewed Scrutiny as Debate Intensifies Over Capability and Readiness
Reform UK Faces Mounting Distractions as Policy Agenda Struggles to Gain Traction
Investigation Launched Into Northern Cyprus IVF Clinics After UK Families Receive Incorrect Sperm
International Meeting Issues Unified Call to Safeguard Navigation Through Strait of Hormuz
Potential Strait of Hormuz Closure Raises Concerns Over UK Food and Medicine Supply Chains
UK Leads Coalition of Over Forty Nations Urging Iran to Reopen Strait of Hormuz
UK Secures Tariff-Free Access for Medicines in Landmark US Pharma Trade Agreement
King Charles III Invited to Address Joint Session of U.S. Congress in Rare Diplomatic Honor
Debate Grows Over Whether Expanded North Sea Drilling Can Reduce UK Energy Bills
UK Faces Heightened Risk of Jet Fuel Shortages, Airline Chief Warns
UK Ends Police Investigations into Lawful Social Media Posts After Review Finds Overreach
Abramovich Moves to Establish Charity for Frozen Chelsea Sale Proceeds Amid UK Dispute
Starmer Reaffirms NATO Commitment While Responding to Trump’s Strategic Critique
UK Aid Reductions Raise Fears of Severe Human Impact Across Parts of Africa
UK Signals Renewed Push for EU Cooperation as Iran Conflict Reshapes Security Landscape
×