The US military’s cyberwarfare unit is scrutinizing an unusually high number of deaths by suicide among personnel over a month-long period this summer, according to government officials and other peop...

The mobile phone of a Greek politician was repeatedly hacked by spyware while he was working on a European Parliament investigation into sellers of the surveillance technology, new research has found.

A Bulgaria-based company sold controversial surveillance technology to governments in countries with records of repression, enabling authorities to track mobile phones and eavesdrop on private communi...

A Bulgaria-based company sold controversial surveillance technology to governments in countries with records of repression, enabling authorities to track mobile phones and eavesdrop on private communi...

US Immigration and Custom Enforcement has said it purchased spyware designed to hack phones and access encrypted messages as part of an effort to counter the flow of fentanyl into the US.

Sandvine built a business offering network management tools that, in the wrong hands, could be used for censorship, until the US government intervened.

US Immigration and Customs Enforcement is on track to gain access to controversial spyware designed to hack phones and read private messages after the Trump administration jettisoned a Biden-era order...

Microsoft Corp. has curtailed Chinese companies’ access to advance notifications about cybersecurity vulnerabilities in its technology after investigating whether a leak led to a series of hacks explo...

Microsoft Corp. is investigating whether a leak from its early alert system for cybersecurity companies allowed Chinese hackers to exploit flaws in its SharePoint service before they were patched, acc...

Microsoft Corp. is investigating whether a leak from its early alert system for cybersecurity companies allowed Chinese hackers to exploit flaws in its SharePoint service before they were patched, acc...

An investigation into the complexity of the global telecom system shows weaknesses in the transmission of secret codes sent via SMS.

An investigation into the complexity of the global telecom system shows weaknesses in the transmission of secret codes sent via SMS.

A criminal hacking gang has taken credit for a disruptive campaign of cyberattacks targeting British retailers over the last two weeks.

American cybersecurity assistance has been crucial to helping war-torn country fend off hacks, experts say.

American cybersecurity assistance has been crucial to helping war-torn country fend off hacks, experts say.

A court has blocked a British government attempt to keep secret a legal case over its demand to access Apple Inc. user data in a victory for privacy advocates.

Steve Witkoff says the UK plans for an international force to support a ceasefire are a "posture".

Several U.S. national security agencies have halted work on a coordinated effort to counter Russian sabotage, disinformation and cyberattacks, easing pressure on Moscow as the Trump Administration pushes Russia to end its war in Ukraine.

A Canadian law enforcement agency is suspected to have used spyware designed to hack into mobile phones and eavesdrop on messages, according to cybersecurity researchers from the University of Toronto...

Cybersecurity experts who worked to secure US government computers from Russian and Chinese hackers have been ousted from their roles following pressure from Elon Musk’s Department of Government Effic...

A cyberattack that brought down Elon Musk’s X targeted servers that were insufficiently protected from malicious traffic, according to cybersecurity analysts.

Swedish authorities say they are investigating a damaged cable that was discovered in the Baltic Sea, the latest in a string of recent incidents of ruptured undersea cables that have heightened fears ...

Apple Inc. is removing its most advanced, end-to-end encrypted security feature for cloud data in the United Kingdom, in a stunning development after the government ordered the company to build a back...

The Trump administration has reassigned or forced out several dozen government employees who had been working to fight foreign interference in U.S. elections at multiple agencies, according to current...

The UK government has ordered Apple Inc. to build a backdoor to give it access to global user data, in a move that could spark one of the biggest privacy fights in the iPhone maker’s history.

A cyberattack that paralyzed hospitals and clinics in London last year resulted in harm to dozens of patients, leading to long-term or permanent damage to their health in at least two cases, according...

The inside story of Russian hackers who broke into a 158-year-old UK transport business.

Anonymity has long been a tactic used by extremists to spread their ideology while avoiding social consequences, from Klansmen hoods to online pseudonyms.

We analyze the system Amazon deploys on the US “amazon.com” storefront to restrict shipments of certain products to specific regions. We found 17,050 products that Amazon restricted from being shipped...

US telecommunications companies are still working to kick out state-sponsored Chinese hackers who breached their networks as part of a spying campaign that dates back months, US officials said Tuesday...

A spy ring in the UK passed secrets to Russia for nearly three years, endangering the national interest and putting "many lives at risk", a court has been told.

NATO warships have surrounded Yi Peng 3, a Chinese bulk carrier at the center of an international probe into suspected sabotage.