Microsoft, along with more than two dozen tech companies, are pressing policymakers to support open-source AI systems and code across society, arguing that it will be a safer approach than attempting to restrict access or relying on a handful of closed, proprietary models.

The open letter, posted Friday, draws parallels to the software industry of the 1980s, when large businesses worried that open-source software code would cut into their business. While industry lost that battle, the end result was a vibrant ecosystem that now underpins much of the modern internet, government IT and even commercial software products.

It also created a “shared foundation of knowledge” that has fed countless future software projects and innovations.

“The United States now faces a similar choice with artificial intelligence,” the companies wrote. “Our AI leadership will be judged not by one frontier AI model, but by whether the United States builds a strong, open ecosystem that diffuses into every sector.”

Expanding access and support to open-source AI comes with meaningful security risk. Cybersecurity experts warn that one of the biggest beneficiaries of broadly available AI tools are  low-level criminals who until now lacked the technical expertise or resources to launch serious attacks.

Once a model is open weight, anyone can download it, customize it, strip it of any guardrails and use it for their own purposes. As open-source models have gotten better at creating deepfakes and other AI generated imagery, the danger of locally-customized CSAM and sexualized deepfakes could also grow.

But the letter argues that open-weight AI models are most beneficial to startups, universities, research labs and other small, ambitious organizations that can innovate and iterate the technology and make it more broadly useful to society.

“Open weights let every organization match the right model to the right job at the right cost, reserving frontier-scale capability for genuine frontier problems and running efficient specialized specialized models everywhere else,” The companies wrote. “That discipline is what will make AI economically sustainable as its use scales into the billions of everyday tasks.”

 For cybersecurity specifically, the letter argues that defenders armed with open-source AI will outpace attackers better than any closed model approach.

“In a world where cybersecurity attackers use advanced AI, defenders need access to models with comparable capabilities so they can detect, simulate, and respond to emerging threats,” the companies wrote. “Open models broaden defensive capability, increase transparency, and allow vulnerabilities to be discovered and remediated across many teams.”

Other notable companies signing the letter include Meta, Palantir, Perplexity, Mistral, NVIDIA, Mozilla, The Linux Foundation, Hugging Face, Dell Technologies and IBM.

US policymakers continue to grapple with balancing unrestrained support for the domestic AI industry and providing oversight and regulation of harms that result from their use.

The Trump administration has cycled through several frameworks since coming into office, first a laissez-faire approach within no restrictions, then an executive order creating a voluntary testing regime for industry, then the imposition of export controls on Anthropic’s Fable model and reportedly pressuring OpenAI to delay the release of their models out of cybersecurity concerns.

The letter comes as the Trump administration has reportedly considered an executive order that would restrict American access and availability to Chinese-made open-source models.

But the White House and US companies are trying to thread a needle in recognizing the overall benefits of an open source approach while being wary of doing anything that could potentially benefit their Chinese rivals.

Earlier this month the White House announced the creation of its Gold Eagle AI cybersecurity clearinghouse that would help coordinate government, private sector and civil society work finding and closing AI-discovered vulnerabilities. A big part of that effort, a senior White House official said, is supporting providers and maintainers of open-source AI tools.

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Some Dell devices with a specific Intel driver might experience poor performance Affected platforms Client Versions Message ID Originating KB Resolved KB Windows 11, version 25H2 WI1427598 KB5095093 KB5121767 Windows 11, version 24H2 WI1427599 KB5095093 KB5121767 After installing the June 23, 2026, Windows non-security preview update (the Originating KBs listed above), a limited number of […]

Foxconn, one of the world’s largest manufacturers of electronics sold by major tech vendors, is recovering from a cyberattack that disrupted some of the company’s factories in North America.

Nitrogen, a ransomware group that’s known for targeting organizations in the manufacturing, construction and technology sectors, claimed responsibility for the attack on its data leak site and said it stole 8 terabytes of data spanning more than 11 million files. 

The threat group posted screenshots of some of the allegedly stolen data and claimed it compromised “confidential instructions, projects and drawings from Intel, Apple, Google, Dell, Nvidia and many other projects.” 

Foxconn is famously known as the primary assembler of Apple iPhones. Apple and the other companies allegedly impacted by the attack did not respond to a request for comment.

A spokesperson for Foxconn confirmed some of its factories in North America suffered a cyberattack, and said its cybersecurity team immediately responded to the breach by implementing additional “measures to ensure the continuity of production and delivery.”

The spokesperson did not answer questions about when the attack occurred or what systems or data was impacted, but noted that “affected factories are currently resuming normal production” as of Tuesday. 

Nitrogen was first observed in 2023, using ALPHV, one of the most prevalent ransomware variants at that time, Cynthia Kaiser, senior vice president at Halcyon’s Ransomware Research Center, told CyberScoop. The group started using stolen code from Conti, another formerly prolific ransomware variant, in 2024 to build its own custom attack tools to hit Windows and VMware server environments, she added.

The threat group has most recently focused on companies in the manufacturing and technology sectors. “However, the most recent cases of claims by Nitrogen do not include a working file listing on the leak site and include mostly older images of files,” Kaiser said. “This raises questions about whether Nitrogen is inflating data-theft claims in an attempt to pressure victims into paying higher ransoms.”

Foxconn hasn’t described the nature of the attack or confirmed the existence of a ransom demand. 

Ismael Valenzuela, vice president of threat research and intelligence at Arctic Wolf Labs, said Nitrogen follows a “consistent playbook, stealing data before encrypting systems so they have leverage on multiple fronts, combining operational disruption with the threat of sensitive information being exposed.”

The threat group’s tactics indicate it’s not opportunistic, but rather “operating with a defined model, focusing on organizations that are easier to access but still critical enough to drive pressure and payment,” Valenzuela added. 

Foxconn, also known as Hon Hai Precision Industry with headquarters in Taiwan, is among the world’s largest companies with $259 billion in revenue last year, the company said. Foxconn’s North American footprint includes multiple factories in Mexico, Wisconsin, Ohio, Texas, Virginia and Indiana.

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