Security news

Security

Police are probing apparent cyber vandalism on Wi-Fi networks at UK train stations

U.K. transport officials and police said Thursday they are investigating a "cyber-security incident" after users of public Wi-Fi networks at the country's biggest railway stations reported being shown anti-Muslim messages.

Security

AI is fueling a deepfake porn crisis in South Korea. What's behind it—and how can it be fixed?

It's difficult to talk about artificial intelligence without talking about deepfake porn—a harmful AI byproduct that has been used to target everyone from Taylor Swift to Australian school girls.

Security

How did they get my data? I uncovered the hidden web of networks behind telemarketers

Last year, I started getting a lot of unsolicited phone calls, mainly from people trying to sell me things. This came as a surprise because, as a data scientist, I am very careful about what personal information I let out ...

Business

Ukraine bans Telegram messenger app on state-issued devices because of Russian security threat

Ukraine has banned government officials, military personnel and other defense and critical infrastructure workers from installing the popular Telegram messaging app on state-issued devices, describing the move as necessary ...

Security

Encrypted 'Ghost' app: What we know

Police revealed Tuesday they had infiltrated and taken down an encrypted chat app called Ghost used by criminals across the world.

Security

'Good complexity' can make hospital networks more cybersecure

In May, a major cyberattack disabled clinical operations for nearly a month at Ascension, a health care provider that includes 140 hospitals across the U.S. Investigators tracked the problem to malicious ransomware that had ...

Security

New tools use AI 'fingerprints' to detect altered photos, videos

As artificial intelligence networks become more skilled and easier to access, digitally manipulated "deepfake" photos and videos are increasingly difficult to detect. New research led by Binghamton University, State University ...

Software

Usable data hacked from air-gapped computer

A team of software and information systems engineers at Ben-Gurion University of the Negev, in Israel, has demonstrated an ability to extract useful data from an air-gapped computer. The group has posted a paper to the arXiv ...

Security

Five notorious cyberattacks that targeted governments

Warfare is no longer confined to physical battlefields. In the digital age, a new front has emerged—cyberspace. Here, countries clash not with bullets and bombs, but with lines of code and sophisticated malware.

Security

US infiltrates big ransomware gang: 'We hacked the hackers'

The FBI and international partners have at least temporarily disrupted the network of a prolific ransomware gang they infiltrated last year, saving victims including hospitals and school districts a potential $130 million ...

Hi Tech & Innovation

A three-stage authentication system for the metaverse

In recent years, many computer scientists have been exploring the notion of metaverse, an online space in which users can access different virtual environments and immersive experiences, using VR and AR headsets. While navigating ...

Business

International arrests over 'criminal' crypto exchange

The owner of China-based cryptocurrency exchange Bitzlato was arrested in Miami on Wednesday, along with five associates in Europe, during an international operation against "darknet" markets.

Internet

How to spot a cyberbot—five tips to keep your device safe

You may know nothing about it, but your phone—or your laptop or tablet—could be taken over by someone else who has found their way in through a back door. They could have infected your device with malware to make it a ...

Computer Sciences

How encryption holds our digital society together

Encryption is like the steel skeleton of a building: invisible, but holding everything together. In our digital age, encryption is an absolutely essential element and even if you think that you do not have any skeletons in ...

Business

Fear can inspire remote workers to protect IT resources

Fear of what could go wrong is the greatest motivator when it comes to getting remote workers to protect their employer's information technology security, according to a recent study in Computers & Security. But it tends ...

Security

Cyberattack keeps Iowa's largest school district closed

An apparent cyberattack on Iowa's largest school district has led officials to cancel classes for 30,000 students for a second day as technicians scramble to protect data and restore the computer system, the district's leader ...