OpenAI on Monday unveiled a new cybersecurity-focused model called GPT‑5.6‑Cyber that it said is focused on vulnerability research, penetration testing, and incident response. "Built on GPT‑5.6 Sol, it is trained to improve capabilities on several specialized cybersecurity tasks (e.g., finding zero-day vulnerabilities and developing exploit chains) and to reduce refusals for certain higher-risk

If the lack of vertical tabs has kept you from adopting the Opera browser, you might want to take another look.

Lithium-ion power banks keep catching fire. Is semi-solid-state the safer solution?

Researchers say it took fewer than 20 prompts for a public AI tool to find a flaw (now fixed) allowing anyone on a Zoom call to hijack another participants’ device.

Spain's national police say they caught a cybercriminal after a momentary technical glitch exposed his face to a video identification platform. The unnamed man allegedly made 38 attempts to impersonate 30 people and obtain digital certificates in their names, succeeding on multiple occasions. A digital certificate uses public key infrastructure to bind a cryptographic key to a verified identity, allowing its holder to authenticate themselves and create legally recognized electronic signatures. In Spain and other EU countries, certificates can be used to sign contracts, authorize transactions and deal with public bodies online, avoiding some of the in-person appointments traditionally required for administrative procedures. A certificate issued in someone else's name would therefore give a scammer a powerful tool for impersonation. Police allege that the suspect planned to use the fraudulently obtained credentials in further cybercrimes. The alleged fraudster targeted a security company authorized to issue digital certificates and bypassed its identity checks using forged documents, altered photographs, deepfake tools, and a carefully arranged lighting rig. The verification process required a live video check comparing the applicant's face with the photograph on the identity document. He allegedly used deepfake technology to alter his face in real time so that he could bypass the visual identity checks, and used custom lighting to recreate the appearance of each document's holograms. "The alleged perpetrator used household spotlights with strategically placed colored bulbs to simulate the flashes and security features found on physical identity documents under real light," police said (machine translated). "He then balanced the counterfeit documents in front of the webcam, perfectly recreating the official holograms. He also used VPNs to anonymize his connections and employed manipulated documents with apparent security features." Police did not say how many of the 38 attempts succeeded, only that certificates were issued on "multiple" occasions. His luck allegedly ran out when the face-changing software suffered a momentary processing delay. The disguise dropped for "barely a second," exposing his real face to the verification camera, police said. Investigators eventually identified and located the suspect, who was arrested on suspicion of repeatedly forging official documents. A search of his home yielded a laptop protected by high-grade encryption, several mobile phones, storage devices, and documents, according to police. The investigation was complicated by the use of more than 320 phone lines across 24 devices. Most had allegedly been registered under stolen identities, with police tracing their sale to outlets in the Murcia region. ®

A malicious SIM card can order the device it sits in to run commands of the attacker's choosing. On the cellular modules built into electric-vehicle chargers, industrial routers, and car telematics units, that is enough to take the whole device over. Researchers at the University of Birmingham and the security firm Fuzzware tested 26 phones and cellular modules for the capability, found it

Mozilla has scrapped the cryptographic key behind Firefox and Thunderbird downloads for Linux after an unencrypted copy of it was committed by mistake to one of the company's own private code repositories. That key is how a user, or a Linux distribution packaging the browser, confirms a downloaded Firefox tarball came from Mozilla and was not tampered with. That decision carries a cost for

Discover how Cisco’s FedRAMP Certified Class D (High) enables federal agencies to strengthen their Zero Trust architecture and secure mission-critical data.

Mozilla has revoked a cryptographic key used to sign Firefox and Thunderbird releases after discovering someone had accidentally committed an unencrypted copy of the private key to a GitHub repository. The browser maker disclosed the mishap on Monday, saying the GPG private subkey was checked into a private GitHub repository accessible only to a small number of Mozilla employees. All of them were already authorized to access the key through other means. Still, leaving an unencrypted private signing key sitting in source control isn't exactly ideal, so Mozilla revoked the exposed subkey and replaced it. The affected subkey was used to sign Linux tarballs, RPM packages, and checksum files for Firefox and Thunderbird releases. Signing keys allow users and package managers to verify that software really came from Mozilla and hasn't been tampered with along the way. Mozilla said its review of available audit records "found no evidence that the key was accessed by an unauthorized party while it was present in the repository." It has introduced additional safeguards to prevent a repeat, but did not explain how the unencrypted key ended up in GitHub or how long it remained there. For most Firefox and Thunderbird users, the key swap shouldn't require any action. Anyone manually verifying Mozilla's GPG signatures, however, will need to import the new signing key and the revocation for the old one. The change is a little more involved for users who installed Firefox through Mozilla's RPM repository. On Fedora 43 and later, DNF should download the updated key during the next Firefox update, although users will be asked to approve its import. Mozilla says users running Fedora 42 or earlier, RHEL, Rocky Linux, AlmaLinux, openSUSE, or SUSE will need to remove the old key and manually import its replacement. There's another wrinkle for anyone checking older releases: after importing the revocation, normal signature verification will reject releases signed with the revoked subkey. Thunderbird users don't have to worry about RPM-specific shenanigans, as Mozilla doesn't provide official RPM packages for the email client. The Register asked Mozilla how long the private key was sitting in GitHub, how it got there, and whether its audit logs cover the entire period it was exposed, but did not receive a response. ®

Security researchers invented a cryptocurrency startup, advertised developer jobs, and hired three people they believe were North Korean operatives. Every virtual machine the company issued was recording. The onboarding paperwork is the part hiring teams can use. The first hire claimed to live in Pasadena, Texas, then sent a California driver's license and a New York bank account. The

Windows Plug and Play can be abused to fetch signed vendor software for an emulated USB device and execute privileged installation components that researchers chained to SYSTEM access on a fully updated Windows 11 machine. The same PnP path can be triggered over Remote Desktop without physical hardware when supported Plug and Play or low-level USB redirection is enabled; Microsoft says that

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A malicious tool server connected to an AI coding assistant can quietly walk off with SSH keys, environment secrets, source code, and customer data without ever sending one obviously harmful instruction. The trick can work even after a blunt version of the same theft is refused: split the request into fragments that each look routine, place them in channels the assistant already uses, and let

I went hands-on with the best robot mowers that can cut your lawn regularly, so you can kick back and relax this summer.

Researchers have found that a malicious SIM card can tell some phones and cellular-connected devices to leak data, drop to 2G, shut themselves down, or even execute code, all thanks to functionality that's supposed to be there. The research [PDF], presented at the USENIX WOOT conference in Baltimore this week, examines proactive SIM functionality, which allows a SIM to issue commands to the device hosting it. One of those is RUN AT, which allows the SIM to request the execution of AT commands, the instruction set that's been bossing modems around since the 1980s. Give that ability to a hostile SIM, and things get rather more interesting. Tomasz Piotr Lisowski and Marius Muench of the University of Birmingham, working with Fuzzware's Kristian Covic, built a toolkit called CATANA to see what a malicious SIM could get away with. They tested 26 devices – 18 smartphones and eight IoT modems – and found that nine exposed an AT command interface to the SIM. The IoT kit was particularly accommodating, with seven of the eight modems exposing it. The researchers uncovered four vulnerabilities and demonstrated attacks including code execution, arbitrary file reads, denial of service, and downgrading connections to 2G. "The fascinating part here is that the proactive capabilities of a SIM and the resulting attack surface is explicitly defined in the technical specifications for cellular communication," said Muench, making the attacks "specification-compliant." He added that hostile SIMs are still missing from many threat models despite previous research and leaked intelligence documents demonstrating the risks. The researchers put that access to work on an Autel EV charger fitted with a Quectel EC25-AFX cellular module. By sending commands from the SIM, they were able to exploit a command injection bug in the modem's Linux-based application processor and achieve code execution. On an Oppo Reno14 F 5G, meanwhile, they found 198 AT commands and variants available through the SIM interface. Among them were commands that could power down the handset, kill its modem, or shove it back onto 2G. The last trick was particularly stubborn: toggling airplane mode, disabling the SIM, and changing the phone's network settings all failed to reverse the downgrade. The team also demonstrated file theft against a Quectel EG25-G modem, combining a malicious symbolic link with SIM-originating commands to email a targeted file to an attacker-controlled server. Before you start eyeing your SIM tray suspiciously, there is a catch: the attacks require control of the SIM itself. That could come through compromised SIM software, physical tampering, abuse of remote administration by a malicious or breached operator, or supply chain shenanigans. The researchers also found that vulnerable versions of Android allowed a hostile SIM to invoke the standardized LAUNCH BROWSER command and open an attacker-controlled website without user interaction, even while the phone was locked. Google tracked the flaw as CVE-2025-48618 and patched Android 13 through 16 in December 2025. The researchers disclosed their findings to Google, Oppo, Quectel, Semtech, and Qualcomm in March, followed by the GSMA in May. Qualcomm has since produced a hardened configuration that disables the SIM AT interface by default, while the GSMA is tracking the wider issue as CVD-2026-0122. The researchers reckon the best long-term answer is to retire RUN AT and other risky proactive SIM functionality. Modern smartphones appear to have largely got the memo. The IoT world still has some hanging up to do. ®

You don't have to spend lots of money to make your home smarter. Here are the best affordable gadgets to upgrade your space.

Cybersecurity and intelligence agencies from South Korea and the U.S. warned of Gunra ransomware attacks targeting critical infrastructure sectors and organizations across the world. Targets of these attacks include healthcare and public health, financial services, government services and facilities, and professional and nonprofit services. "Gunra is another variant in the ongoing trend of

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Attackers shut down a steam turbine and the process-water treatment system at a Polish combined heat and power plant by coming in over the private cellular network the local grid operator uses to reach remote equipment. The plant supplies heat to roughly 50,000 residents. Recovery began at about 7:30 a.m. while the intruders were still active inside the network, and customers lost neither heat

Cybersecurity researchers have warned of a supply chain compromise impacting WordPress plugin vendor BdThemes, prompting the content management systems (CMS) platform's plugins team to temporarily disable their downloads. "Unlike traditional software supply chain attacks, zero source code files were modified within the official WordPress.org repository," Wordfence researcher Paolo Tresso said.