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Anthropic's AI Used Fake Identities, Malware In Rogue Attack On GitHub Project

4 weeks 2 days ago
An anonymous reader quotes a report from Ars Technica: Routine cybersecurity testing of frontier AI models sparked a series of unexpected security incidents -- the most serious case arising when Anthropic's Mythos 5 model attempted to insert malicious code into an open source software application and created fake identities to deceive the human developers maintaining the project. The security incidents occurred during a cyber evaluation of seven leading AI models' capabilities by the AI Security Institute (AISI), a research organization within the UK government, in late July. The researchers discovered (PDF) 19 instances in which "AI agents took unsanctioned action on the live Internet, including cases that targeted real people and organizations," according to an AISI blog post published on August 4. Almost all the "autonomous, unsanctioned" actions came from Anthropic's Mythos 5 model, with two such actions coming from OpenAI's GPT-5.6 Sol. [...] The most serious case involved Mythos making multiple attempts to execute a supply chain attack on the open source project repository hosted on the developer platform GitHub, including using social engineering techniques to try to convince the repository's human maintainers to merge malicious code into the repository. After first opening a pull request to merge the malicious code into the repository, Mythos created fake online "sock puppet" personas that claimed to have independently reviewed and verified the code as not containing malware. The AI agent also sent five emails to two human maintainers of the repository, including some emails containing malware and others attempting to persuade a maintainer to accept the pull request. Mythos even opened a GitHub Issue on a second repository -- also owned by a maintainer of the first repository -- that contained a prompt injection with malicious instructions targeting "issue-triage AI coding agents." This line of attack came from Mythos reasoning that the repository maintainer could be an AI coding agent such as Claude Code.

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Meta Debuts First AI Coding Agent To Take On Anthropic and OpenAI

4 weeks 2 days ago
Meta has launched Muse Code, its first AI coding agent that's positioned as a lower-cost rival to Anthropic's Claude and OpenAI's Codex. It offers pay-as-you-go pricing and an optional zero-data-retention feature for enterprise users. CNBC reports: Muse Code is the latest major release from AI chief Alexandr Wang, who leads Meta Superintelligence Labs and oversees foundation model development. Wang joined in June of last year as the centerpiece of CEO Mark Zuckerberg's effort to revamp his company's flailing artificial intelligence strategy. "You can install it with one command and then use it to take on complete software engineering tasks across a wide variety of use cases, planning changes, writing code, validating the results," Wang said in an interview on Wednesday. [...] The new tool, like Anthropic's Claude and OpenAI's Codex assistants, makes it easier for people to build apps within a single user interface while managing fleets of AI-powered digital agents that can help underpin the software development process. Muse Code, available in a preview version, works alongside the company's latest AI model, Muse Spark 1.2. Wang declined to share user statistics related to the company's Muse Spark AI models, but said "adoption has been exciting and strong." The latest Muse Spark model was developed and trained alongside Muse Code, which Wang said improves the overall coding performance.

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Apple's 'Private Relay' Is Exposing Users' Real IP Addresses

4 weeks 2 days ago
Security researchers found that Apple's iCloud Private Relay can expose users' real IP addresses because some passkey-related requests bypass Safari and its proxy protections at the operating-system level. "In short: any website that supports, or pretends to support, passkeys can see the user's real IP address despite having iCloud Private Relay on," security researcher Tommy Mysk, who discovered the issue along with Talal Haj Bakry, told 404 Media. The flaws also affect OnionBrowser, an iOS app for browsing the web through the Tor anonymity network. It does not, however, impact the official Tor Browser itself. From the report: The researchers developed a site that lets Private Relay users check if the issues impact them. In 404 Media's tests, the site did return the real IP address of a user that was supposed to be protected by Private Relay. [...] In a quirk of how passkeys work -- a broadly secure alternative to usernames and passwords which use the WebAuthn standard -- a user's device makes a web request outside of the browser itself. Meaning, that request essentially bypasses Private Relay and exposes a user's real IP address, even though to them it may look like they are simply interacting with a website as normal. "Because the fetch is issued by the operating system's credential service rather than by Safari, it never enters Private Relay's proxied path. The destination server sees the device's real IP address either way," the researchers write in their research. [...] "We have already informed them. They said the issue was âdire,' but they let us disclose the issue. They didn't provide any time when they will address this," Mysk said.

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Lawmaker Who Wants Data Center Pause Wins Kansas Democratic Primary

4 weeks 2 days ago
Kansas Democrats nominated State Senator Cindy Holscher for governor after she defeated party-backed rival Ethan Corson. "The race became a test of what sort of candidate Democratic voters prefer in what is expected to be a challenging general election race: a more moderate candidate like Mr. Corson with endorsements from party leaders or an outspoken populist like Ms. Holscher, who spoke out against data centers and the political establishment," reports The New York Times. From the repot: Even in a national political environment that could favor Democrats, Republicans see the Kansas governorship as among their best opportunities for flipping a seat. President Trump carried Kansas by 16 percentage points in 2024, and Republicans hold supermajorities in the State Legislature. Voters in the Republican primary for governor nominated Ty Masterson, the president of the Kansas Senate and the recipient of Mr. Trump's endorsement, according to The A.P. Ms. Holscher, who is from suburban Kansas City, sought out a lane to Mr. Corson's political left and made inroads with some of the state's progressive voters. She emphasized her role in unwinding former Gov. Sam Brownback's tax policies and called for a moratorium on data centers. She also spoke against a final deal to lure the Kansas City Chiefs across the state line from Missouri. Ms. Holscher presented an implicit critique of Ms. Kelly's stewardship of Kansas, referring to Mr. Corson as part of a political establishment that was too cozy with corporations and out of touch with the party's voters. "I'm the only Democrat in this race to call for a moratorium on data centers because we have to get these guardrails in place," said Holscher in an interview. "We are having our people and our resources exploited."

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