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Aujourd’hui — 3 mai 2024Flux principal

FDA Qualifies Apple Watch's AFib History For Use In Clinical Studies

Par : BeauHD
3 mai 2024 à 03:30
In a first for "digital health technology," the Apple Watch's atrial fibrillation (AFib) history feature has been approved by the FDA to join the FDA's Medical Device Development Tools (MDDT) program. This means the wearable is now usable in clinical studies. The Verge reports: The FDA announcement describes using it as a noninvasive way to collect the data both before and after treatment: "Designed to be used as a biomarker test to help evaluate estimates of AFib burden as a secondary effectiveness endpoint within clinical studies intended to evaluate the safety and effectiveness of cardiac ablation devices to treat."

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Pet Parrots Prefer Live Video-Calls Over Watching Pre-Recorded Videos

Par : BeauHD
2 mai 2024 à 23:20
When given the choice, pet parrots prefer to video-call each other instead of watch pre-recorded videos of other birds. Those are the findings from a new paper (PDF) set to appear next week at a conference on Human Factors in Computing Systems in Hawaii. Phys.Org reports: The study, led by animal-computer interaction specialists at the University of Glasgow, gave tablet devices to nine parrots and their owners to explore the potential of the video chats to expand the birds' social lives. Their results suggest that the clever birds, who often suffer from loneliness in captivity, may be able to tell the difference between live and pre-recorded content on digital devices, and strongly prefer interacting with other birds in real time. Over the course of the six-month study, the parrots chose to initiate calls to other birds significantly more often than they opted to watch pre-recorded footage. They also seemed more engaged in the live chats, spending much longer on calls with other birds than they did watching videos from a library of options. The findings could help steer the future course of the emerging "animal internet," which uses digital technology to empower animals to interact with humans and each other in new ways.

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Hier — 2 mai 2024Flux principal

Spotify Hides Song Lyrics Behind Paywall

Par : BeauHD
2 mai 2024 à 22:40
Several users on Reddit have noticed that Spotify has started hiding song lyrics behind a paywall. "This means you won't be able to sing along unless you know the lyrics already, or are willing to look them up in another app," reports Android Police. From the report: Still, you lose the convenience of real-time sync with the track and automatic scrolling. Like skips per hour, it appears Spotify will implement a limit system and accessing lyrics will count against the user's limit, which should ideally reset after a stipulated time. Spotify usually requests lyrics from songwriters, publishers, and independent artists. However, in most other cases, the company has a working relationship with MusixMatch to provide lyrics, and perhaps Spotify isn't willing to absorb the costs of this partnership. That would explain why lyrics are now paywalled, but as a free-tier user, such changes are chipping away at the service's appeal.

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Nurses Say Hospital Adoption of Half-Cooked 'AI' Is Reckless

Par : BeauHD
2 mai 2024 à 22:00
An anonymous reader quotes a report from Techdirt: Last week, hundreds of nurses protested the implementation of sloppy AI into hospital systems in front of Kaiser Permanente. Their primary concern: that systems incapable of empathy are being integrated into an already dysfunctional sector without much thought toward patient care: "No computer, no AI can replace a human touch," said Amy Grewal, a registered nurse. "It cannot hold your loved one's hand. You cannot teach a computer how to have empathy." There are certainly roles automation can play in easing strain on a sector full of burnout after COVID, particularly when it comes to administrative tasks. The concern, as with other industries dominated by executives with poor judgement, is that this is being used as a justification by for-profit hospital systems to cut corners further. From a National Nurses United blog post (spotted by 404 Media): "Nurses are not against scientific or technological advancement, but we will not accept algorithms replacing the expertise, experience, holistic, and hands-on approach we bring to patient care," they added. Kaiser Permanente, for its part, insists it's simply leveraging "state-of-the-art tools and technologies that support our mission of providing high-quality, affordable health care to best meet our members' and patients' needs." The company claims its "Advance Alert" AI monitoring system -- which algorithmically analyzes patient data every hour -- has the potential to save upwards of 500 lives a year. The problem is that healthcare giants' primary obligation no longer appears to reside with patients, but with their financial results. And, that's even true in non-profit healthcare providers. That is seen in the form of cut corners, worse service, and an assault on already over-taxed labor via lower pay and higher workload (curiously, it never seems to impact outsized high-level executive compensation).

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Sony, Apollo Offers To Buy Paramount For $26 Billion

Par : BeauHD
2 mai 2024 à 21:20
Sony Pictures Entertainment and Apollo Global Management have made a bid to acquire Paramount for $26 billion and take it private. Variety reports: Sony and private-equity giant Apollo submitted a letter with the non-binding offer Wednesday to Paramount Global, as first reported by the Wall Street Journal. The bid, which would include the assumption of debt and could be negotiated, would be a premium over the company's current $22 billion enterprise value. Shares of Paramount Global jumped 13% on news of the offer from Apollo and Sony Entertainment, closing at $13.86 per share Thursday. It's not clear how Paramount's board will proceed on the Sony-Apollo proposal, having rejected previous overtures from the private-equity firm. The company has an exclusive negotiating window with Skydance that ends Friday (May 3), but discussions among the parties could extend beyond that. If it happens, the combination of Sony Pictures with Paramount Pictures would likely result in mass layoffs -- and knock the number of major Hollywood studios from five to four, after Disney took over 20th Century. Sony Corp., which acquired Columbia Pictures in 1990 for $3.5 billion, is the largest studio operator in the industry that does not have a broad-scale direct-to-consumer streaming play. Under the proposed bid with Apollo, Sony would be the majority owner of the combined company. Sony Corp. would merge Sony Pictures Entertainment into a joint venture with Paramount Global. Sony and Apollo would both contribute cash to finance the deal. What's unclear is what would happen to the 28 local TV stations CBS owns; FCC rules bar foreign entities (i.e. Tokyo-based Sony) from having majority ownership control of broadcast TV stations, so Sony would need to carve out a separate U.S. ownership structure for the station group. In the Skydance scenario, Redstone would sell her stake in National Amusements, which holds 77% of the voting shares in Paramount Global, to Skydance, whereupon Skydance would merge with Paramount Global in an all-stock deal that would value Skydance at roughly $5 billion. Paramount Global would remain a publicly traded company. Redstone would receive up to $2 billion from the Skydance-NAI transaction; in addition, Skydance would pay a premium for Paramount Global shares and pay $3 billion to the company to help pay down debt. Ellison would serve as CEO of the merged Paramount-Skydance, while Jeff Shell, the former NBCUniversal CEO who is chairman of sports and media at RedBird and works under founder and managing partner Gerry Cardinale, would take on a key management role.

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Maximum-Severity GitLab Flaw Allowing Account Hijacking Under Active Exploitation

Par : BeauHD
2 mai 2024 à 20:40
Dan Goodin reports via Ars Technica: A maximum severity vulnerability that allows hackers to hijack GitLab accounts with no user interaction required is now under active exploitation, federal government officials warned as data showed that thousands of users had yet to install a patch released in January. A change GitLab implemented in May 2023 made it possible for users to initiate password changes through links sent to secondary email addresses. The move was designed to permit resets when users didn't have access to the email address used to establish the account. In January, GitLab disclosed that the feature allowed attackers to send reset emails to accounts they controlled and from there click on the embedded link and take over the account. While exploits required no user interaction, hijackings worked only against accounts that weren't configured to use multi-factor authentication. Even with MFA, accounts remained vulnerable to password resets. The vulnerability, tracked as CVE-2023-7028, carries a severity rating of 10 out of a possible 10. The vulnerability, classified as an improper access control flaw, could pose a grave threat. GitLab software typically has access to multiple development environments belonging to users. With the ability to access them and surreptitiously introduce changes, attackers could sabotage projects or plant backdoors that could infect anyone using software built in the compromised environment. An example of a similar supply chain attack is the one that hit SolarWinds in 2021, infecting more than 18,000 of its customers. Other recent examples of supply chain attacks are here, here, and here. These sorts of attacks are powerful. By hacking a single, carefully selected target, attackers gain the means to infect thousands of downstream users, often without requiring them to take any action at all. According to Internet scans performed by security organization Shadowserver, more than 2,100 IP addresses showed they were hosting one or more vulnerable GitLab instances. In order to protect your system, you should enable MFA and install the latest patch. "GitLab users should also remember that patching does nothing to secure systems that have already been breached through exploits," notes Goodin.

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Microsoft Bans US Police Departments From Using Enterprise AI Tool

Par : BeauHD
2 mai 2024 à 20:02
An anonymous reader quotes a report from TechCrunch: Microsoft has changed its policy to ban U.S. police departments from using generative AI through the Azure OpenAI Service, the company's fully managed, enterprise-focused wrapper around OpenAI technologies. Language added Wednesday to the terms of service for Azure OpenAI Service prohibits integrations with Azure OpenAI Service from being used "by or for" police departments in the U.S., including integrations with OpenAI's text- and speech-analyzing models. A separate new bullet point covers "any law enforcement globally," and explicitly bars the use of "real-time facial recognition technology" on mobile cameras, like body cameras and dashcams, to attempt to identify a person in "uncontrolled, in-the-wild" environments. [...] The new terms leave wiggle room for Microsoft. The complete ban on Azure OpenAI Service usage pertains only to U.S., not international, police. And it doesn't cover facial recognition performed with stationary cameras in controlled environments, like a back office (although the terms prohibit any use of facial recognition by U.S. police). That tracks with Microsoft's and close partner OpenAI's recent approach to AI-related law enforcement and defense contracts. Last week, taser company Axon announced a new tool that uses AI built on OpenAI's GPT-4 Turbo model to transcribe audio from body cameras and automatically turn it into a police report. It's unclear if Microsoft's updated policy is in response to Axon's product launch.

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Microsoft To Invest $2.2 Billion In Cloud and AI Services In Malaysia

Par : BeauHD
2 mai 2024 à 13:00
An anonymous reader quotes a report from Reuters: Microsoft said on Thursday it will invest $2.2 billion over the next four years in Malaysia to expand cloud and artificial intelligence (AI) services in the company's latest push to promote its generative AI technology in Asia. The investment, the largest in Microsoft's 32-year history in Malaysia, will include building cloud and AI infrastructure, creating AI-skilling opportunities for 200,000 people, and supporting the country's developers, the company said. Microsoft will also work with the Malaysian government to establish a national AI Centre of Excellence and enhance the nation's cybersecurity capabilities, the company said in a statement. Prime Minister Anwar Ibrahim, who met Nadella on Thursday, said the investment supported Malaysia's efforts in developing its AI capabilities. Microsoft is trying to expand its support for the development of AI globally. Nadella this week announced a $1.7 billion investment in neighboring Indonesia and said Microsoft would open its first regional data centre in Thailand. "We want to make sure we have world class infrastructure right here in the country so that every organization and start-up can benefit," Microsoft Chief Executive Satya Nadella said during a visit to Kuala Lumpur.

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Google Phone Starts Rolling Out 'Audio Emoji'

Par : BeauHD
2 mai 2024 à 10:00
The Google Phone app is rolling out "Audio Emoji" to some users as part of an incoming update in the beta channel, version 128. As 9to5Google reports, they are "essentially stock sound effects attached to one of six different emoji." The list includes: clapping (applause), laughing, party, crying (trombone), poop, and sting (ba dum tss). From the report: When you, as the caller, select one of these "Audio Emoji," the Google Phone app will play a fun animation while a sound effect plays for a couple of seconds. The sound effect is heard on both ends of the phone call. There does seem to be a limit on how often you can use these sound effects, as there's a bit of a "cooldown" in between that prevents you from playing sounds back to back. That's probably for the best in the case of some of these.

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A New Battery Warns Parents if Their Child Has Swallowed It

Par : BeauHD
2 mai 2024 à 07:05
A new battery from Energizer comes with "color alert technology" to alert parents if their child has swallowed one. When the coin lithium battery comes into contact with saliva, it activates a blue dye "so parents and caregivers know that medical attention could be required," reports the New York Times. The battery also features more secure packaging and a nontoxic bitter coating. From the report: The new coin lithium battery features more secure packaging, a nontoxic bitter coating to discourage swallowing and "color alert technology" that activates a blue dye when the battery comes into contact with moisture, like saliva, so parents and caregivers know that medical attention could be required. The new battery was announced in a video last week by Energizer and Trista Hamsmith, whose 18-month-old daughter died after swallowing a button battery from a remote control. Ms. Hamsmith founded a nonprofit organization focused on children's safety, successfully advocated for legislation, known as Reese's Law, that requires a secure compartment of the batteries in products that use them as well as stronger warning labels on all packaging, and is now working to make the batteries themselves safer. Ingested coin or button batteries result in thousands of emergency hospital visits each year, according to the U.S. Consumer Product Safety Commission, which notes that "the consequences of a child swallowing a battery can be immediate, devastating and deadly." "A button cell battery can burn through a child's throat or esophagus in as little as two hours if swallowed," according to the agency. Secure packaging and bitter coatings for batteries have long existed, but "the massive breakthrough here is the color alert technology, which helps give caretakers that indicator that something has happened," Jeff Roth, the global category leader for batteries at Energizer, said in an interview on Wednesday. "The most significant part about this is getting help early in the process," he said. "That's really what the color alert technology allows the family to do."

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AM Radio Law Opposed By Tech and Auto Industries Is Close To Passing

Par : BeauHD
2 mai 2024 à 03:30
An anonymous reader quotes a report from Ars Technica: A controversial bill that would require all new cars to be fitted with AM radios looks set to become a law in the near future. Yesterday, Senator Edward Markey (D-Mass) revealed that the "AM Radio for Every Vehicle Act" now has the support of 60 US Senators, as well as 246 co-sponsors in the House of Representatives, making its passage an almost sure thing. Should that happen, the National Highway Traffic Safety Administration would be required to ensure that all new cars sold in the US had AM radios at no extra cost. "Democrats and Republicans are tuning in to the millions of listeners, thousands of broadcasters, and countless emergency management officials who depend on AM radio in their vehicles. AM radio is a lifeline for people in every corner of the United States to get news, sports, and local updates in times of emergencies. Our commonsense bill makes sure this fundamental, essential tool doesn't get lost on the dial. With a filibuster-proof supermajority in the Senate, Congress should quickly take it up and pass it," said Sen. Markey and his co-sponsor Sen. Ted Cruz (R-Texas). About 82 million people still listen to AM radio, according to the National Association of Broadcasters, which as you can imagine was rather pleased with the congressional support for its industry. "Broadcasters are grateful for the overwhelming bipartisan support for the AM Radio for Every Vehicle Act in both chambers of Congress," said NAB president and CEO Curtis LeGeyt. "This majority endorsement reaffirms lawmakers' recognition of the essential service AM radio provides to the American people, particularly in emergency situations. NAB thanks the 307 members of Congress who are reinforcing the importance of maintaining universal access to this crucial public communications medium." "Requiring the installation of analog AM radios in automobiles is an unnecessary action that would impact EV range, efficiency and affordability at a critical moment of accelerating adoption," said Albert Gore, executive director of ZETA, a clean vehicle advocacy group that opposes the AM radio requirement. "Mandating AM radio would do little to expand drivers' ability to receive emergency alerts. At a time when we are more connected than ever, we encourage Congress to allow manufacturers to innovate and produce designs that meet consumer preference, rather than pushing a specific communications technology," Gore said in a statement.

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PFAS Increase Likelihood of Death By Cardiovascular Disease, Study Shows

Par : BeauHD
2 mai 2024 à 02:02
New submitter berghem shares a report from The Guardian: For the first time, researchers have formally shown that exposure to toxic PFAS increases the likelihood of death by cardiovascular disease, adding a new level of concern to the controversial chemicals' wide use. The findings are especially significant because proving an association with death by chemical exposure is difficult, but researchers were able to establish it by reviewing death records from northern Italy's Veneto region, where many residents for decades drank water highly contaminated with PFAS, also called "forever chemicals." Records further showed an increased likelihood of death from several cancers, but stopped short of establishing a formal association because of other factors. [...] Veneto's drinking water was widely contaminated by a PFAS-production plant between 1985 and 2018. Researchers first found an excess of about 4,000 deaths during this period, or about one every three days. Part of the region was supplied with water from a different source, giving researchers the opportunity to compare records for tens of thousands of people who drank contaminated water and lived near those who did not. Though PFAS can affect the cardiovascular system in different ways, it is largely a problem because it produces stubbornly high and dangerous levels of cholesterol. The levels are difficult to control because they aren't caused by dietary or lifestyle choices that can be addressed with adjustments, but hormonal changes that affect the metabolism and the body's ability to control plaque in arteries. The study's authors suspect that post-traumatic stress disorder caused by the environmental disaster, which upended lives across the region, may also be contributing to circulatory disease. The evidence of a jump in kidney cancer was also "very clear," [said Annibale Biggeri, the peer-reviewed study's lead author, and a researcher with the University of Padua]. In the study's first five years, 16 cases were recorded, while 65 were recorded in the last five years. It also found elevated levels of testicular cancer during some time periods. The records "showed clearly" that earlier life exposures led to higher levels of mortality, except for women who have multiple children. Previous research has found levels were higher in women with only one child. The chemicals accumulate in placentas and are passed on to children during pregnancy, which reduces levels in the body. Mortality levels among women who were of child-bearing age were generally lower, but increased in older women. The chemicals will be passed down to children for generations, said Laura Facciolo, a Veneto resident who drank contaminated water. She said the findings underscore the need to ban PFAS, and the disaster's injustice. The findings have been published in the journal Environmental Health.

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Google Lays Off Hundreds of 'Core' Employees, Moves Some Positions To India and Mexico

Par : BeauHD
2 mai 2024 à 01:25
According to CNBC, Google is laying off at least 200 employees from its "Core" teams and moving some roles to India and Mexico. From the report: The Core unit is responsible for building the technical foundation behind the company's flagship products and for protecting users' online safety, according to Google's website. Core teams include key technical units from information technology, its Python developer team, technical infrastructure, security foundation, app platforms, core developers, and various engineering roles. At least 50 of the positions eliminated were in engineering at the company's offices in Sunnyvale, California, filings show. Many Core teams will hire corresponding roles in Mexico and India, according to internal documents viewed by CNBC. Asim Husain, vice president of Google Developer Ecosystem, announced news of the layoffs to his team in an email last week. He also spoke at a town hall and told employees that this was the biggest planned reduction for his team this year, an internal document shows. "We intend to maintain our current global footprint while also expanding in high-growth global workforce locations so that we can operate closer to our partners and developer communities," Husain wrote in the email. [...] "Announcements of this sort may leave many of you feeling uncertain or frustrated," Husain wrote in the email to developers. He added that his message to developers is that the changes "are in service of our broader goals" as a company. The teams involved in the reorganization have been key to the company's developer tools, an area Google is streamlining as it incorporates more artificial intelligence into the products.

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Unity Appoints Ex-Zynga Exec Matthew Bromberg As CEO

Par : BeauHD
2 mai 2024 à 00:45
Unity has appointed Matthew Bromberg, former CEO of Zynga, as its new CEO, president and board member. "Filling a role that has been temporarily filled by former Red Hat CEO Jim Whitehurst, Bromberg will formally join Unity as CEO on May 15," reports VentureBeat. "Whitehurst will serve as executive chair of the Unity board, and Roelof Botha will transition from chairman to lead independent board member." From the report: Bromberg fills a slot vacated by John Riccitiello, who resigned last fall after a pricing debacle that left game developers extremely angry at Unity. They calmed down after Unity walked back major parts of the price increase. It's an important time for Unity as it is about to ship Unity 6, the latest version of its game engine, in competition with Epic Games' Unreal Engine 5.4. Whitehurst will also return to Silver Lake, one of Unity's two largest shareholders, where he had previously been a senior advisor and will now join as a managing director leading both operating and investment team initiatives. Bromberg brings over 20 years of experience across the gaming industry, having previously served as Chief Operating Officer of leading mobile game developer and publisher Zynga, where he played a key role in the company's turnaround, and was responsible for Zynga's game studios globally, while also overseeing product development and design, technology, data, and analytics. Bromberg also held multiple leadership roles at Electronic Arts, where he helped scale the company's mobile division and led teams on four continents that built popular games across all major genres.

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Congress Lets Broadband Funding Run Out, Ending $30 Low-Income Discounts

Par : BeauHD
2 mai 2024 à 00:02
An anonymous reader quotes a report from Ars Technica: The Federal Communications Commission chair today made a final plea to Congress, asking for money to continue a broadband-affordability program that gave out its last round of $30 discounts to people with low incomes in April. The Affordable Connectivity Program (ACP) has lowered monthly Internet bills for people who qualify for benefits, but Congress allowed funding to run out. People may receive up to $14 in May if their ISP opted into offering a partial discount during the program's final month. After that there will be no financial help for the 23 million households enrolled in the program. "Additional funding from Congress is the only near-term solution for keeping the ACP going," FCC Chairwoman Jessica Rosenworcel wrote in a letter to members of Congress today. "If additional funding is not promptly appropriated, the one in six households nationwide that rely on this program will face rising bills and increasing disconnection. In fact, according to our survey of ACP beneficiaries, 77 percent of participating households report that losing this benefit would disrupt their service by making them change their plan or lead to them dropping Internet service entirely." The ACP started with $14.2 billion allocated by Congress in late 2021. The $30 monthly ACP benefit replaced the previous $50 monthly subsidy from the Emergency Broadband Benefit Program.

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Anthropic Brings Claude AI To the iPhone and iPad

Par : BeauHD
1 mai 2024 à 23:20
Anthropic has released its Claude AI chatbot on the App Store, bringing the company's ChatGPT competitor to the masses. Compared to OpenAI's chatbot, Claude is built with a focus on reducing harmful outputs and promoting safety, with a goal of making interactions more reliable and ethically aware. You can give it a try here. 9to5Mac reports: Anthropic highlights three launch features for Claude on iPhone: Seamless syncing with web chats: Pick up where you left off across devices. Vision capabilities: Use photos from your library, take new photos, or upload files so you can have real-time image analysis, contextual understanding, and mobile-centric use cases on the go. Open access: Users across all plans, including Pro and Team, can download the app free of charge. The app is also capable of analyzing things that you show it like objects, images, and your environment.

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À partir d’avant-hierFlux principal

Roblox Players To Start Seeing Video Ads In Its Virtual Realms

Par : BeauHD
1 mai 2024 à 22:40
Roblox announced it'll be rolling out virtual billboards with video advertisements that will be displayed in its virtual worlds. Reuters reports: Users will now see billboards featuring content from brands such as e.l.f beauty, Walmart and Warner Bros Discovery, just as they would in real life. That would give advertisers access to Roblox's nearly 72 million daily active users -- half of whom are Gen-Z customers, a population group prized by marketers and businesses. The company in November began testing the video ads -- that will be served to users who are 13 years and older -- as part of its efforts to reduce reliance on revenue generated from its in-game currency "Robux", which players can use to buy outfits, vehicles and other features inside the company's digital worlds. It charges a fee on all purchases done on its platform, which hosts millions of videogames that are built by its users -- who get a share of any related revenue. That practice will extend to the ads, with creators of the virtual worlds who opt to show the billboards getting a portion of the revenue Roblox makes from them. Roblox is hoping its large Gen-Z user base will give it an edge in the competitive ad market, where it would have to wrestle for marketing dollars with tech giants such as Google and Meta and smaller players such as Snap.

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Dropbox Says Hackers Breached Digital-Signature Product

Par : BeauHD
1 mai 2024 à 22:01
An anonymous reader quotes a report from Bloomberg: Dropbox said its digital-signature product, Dropbox Sign, was breached by hackers, who accessed user information including emails, user names and phone numbers. The software company said it became aware of the cyberattack on April 24, sought to limit the incident and reported it to law enforcement and regulatory authorities. "We discovered that the threat actor had accessed data related to all users of Dropbox Sign, such as emails and user names, in addition to general account settings," Dropbox said Wednesday in a regulatory filing. "For subsets of users, the threat actor also accessed phone numbers, hashed passwords, and certain authentication information such as API keys, OAuth tokens, and multi-factor authentication." Dropbox said there is no evidence hackers obtained user accounts or payment information. The company said it appears the attack was limited to Dropbox Sign and no other products were breached. The company didn't disclose how many customers were affected by the hack. The hack is unlikely to have a material impact on the company's finances, Dropbox said in the filing. The shares declined about 2.5% in extended trading after the cyberattack was disclosed and have fallen 20% this year through the close.

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Mysterious 'gpt2-chatbot' AI Model Appears Suddenly, Confuses Experts

Par : BeauHD
1 mai 2024 à 13:00
An anonymous reader quotes a report from Ars Technica: On Sunday, word began to spread on social media about a new mystery chatbot named "gpt2-chatbot" that appeared in the LMSYS Chatbot Arena. Some people speculate that it may be a secret test version of OpenAI's upcoming GPT-4.5 or GPT-5 large language model (LLM). The paid version of ChatGPT is currently powered by GPT-4 Turbo. Currently, the new model is only available for use through the Chatbot Arena website, although in a limited way. In the site's "side-by-side" arena mode where users can purposely select the model, gpt2-chatbot has a rate limit of eight queries per day -- dramatically limiting people's ability to test it in detail. [...] On Monday evening, OpenAI CEO Sam Altman seemingly dropped a hint by tweeting, "i do have a soft spot for gpt2." [...] OpenAI's fingerprints seem to be all over the new bot. "I think it may well be an OpenAI stealth preview of something," AI researcher Simon Willison told Ars Technica. But what "gpt2" is exactly, he doesn't know. After surveying online speculation, it seems that no one apart from its creator knows precisely what the model is, either. Willison has uncovered the system prompt for the AI model, which claims it is based on GPT-4 and made by OpenAI. But as Willison noted in a tweet, that's no guarantee of provenance because "the goal of a system prompt is to influence the model to behave in certain ways, not to give it truthful information about itself."

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