Anthropic expanded the reach of its Mythos AI model to an additional 150 companies across 15 countries but stated each will need to meet its security requirements before they gain access.

Anthropic introduced its Claude Mythos model on 7 April, under the auspices of its Project Glasswing to a limited number of technology companies including Amazon Web Services, Apple, T-Mobile US, AT&T, Nvidia and Google, instead of making it publicly available.

The company stated the new cohort features industries which were underrepresented in the first batch. It now includes power grids, water systems, healthcare networks, communications providers, and hardware manufacturers.

Anthropic stated for most of the Project Glasswing partners, a successful cyberattack on their codebases could affect more than 100 million people.

It also noted many of the new partners are vendors, companies or nonprofits that maintain codebases which are relied upon by numerous organisations around the world, including governments.

The company expects within six-to-12 months, many other AI developers will have models comparable to Mythos Preview and stated, “they could release them without safeguards that prevent misuse”.

Results from the first cohort are already in. Project Glasswing partners have collectively surfaced more than 10,000 high-or critical-severity security vulnerabilities in the first few weeks.

The AI player stated the bottleneck in cybersecurity is now verifying, disclosing, and patching the large numbers of vulnerabilities which Mythos-class models can surface.

It noted many of Project Glasswing’s partners now use the model to write patches, as well as for pre-release checks which prevent vulnerabilities from appearing in the first place.

The expansion came a day after the Anthropic stated it will start offering Mythos access to the European Union’s cybersecurity division.

It also confidentially filed its initial public offering prospectus with the US Securities and Exchange Commission ahead of rival OpenAI.

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EchoStar elected to defer approximately $183 million in cash interest payments due on debt held by its Dish DBS Corporation subsidiary, citing a preference to conserve liquidity while it awaits the closing of its spectrum deal with AT&T.

According to a statement, the missed payments span three tranches of Dish DBS notes: around $72.2 million on 5.25% secured notes due 2026, $71.9 million on 5.75% secured notes due 2028 and $38.4 million on 5.125% unsecured notes due 2029.

The company stated it skipped the payments deliberately to preserve cash while it waits for the AT&T deal to close, implying it does not intend to make the payments within the grace period.

The notes were part of the broader debt load accumulated by Dish Network over years of spectrum acquisitions and satellite operations, debt which became central to EchoStar’s financial stress and its motivation to complete the $23 billion AT&T deal.

Under the terms of the relevant indentures, the non-payment is classed as a default, though EchoStar has a 30-day grace period before it formally constitutes an event of default.

EchoStar said both the Federal Communications Commission (FCC) and the US Department of Justice granted regulatory approval for the AT&T transaction, though the FCC’s sign-off is not yet final. The company noted the closing remains subject to the satisfaction or waiver of additional conditions.

The deal, announced in August 2025, will generate net proceeds of $20.25 billion according to EchoStar’s filing, reflecting adjustments and transaction costs applied to the gross figure.

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AI player Anthropic confidentially submitted paperwork for its proposed initial public listing ahead of rival OpenAI, while also giving the European Union’s cybersecurity body preliminary access to its Mythos AI tool.

The draft registration statement submitted to the US Securities and Exchange Commission gives the company the option to go public after the agency completes its review.

Anthropic stated the number of shares to be offered and the price have not yet been set.

News of the IPO move came the same day (1 June) Bloomberg reported Anthropic will give ENISA, the European Union’s cybersecurity agency, access to Mythos through Project Glasswing, an initiative which allows organisations to test Mythos’ capabilities before a wider release.

There are growing concerns among governments over the security implications of Mythos, which Anthropic released to some private companies in April.

Anthropic communicated the decision to the European Commission over the weekend.

EC spokesperson Thomas Regnier confirmed the development to Mobile World Live (MWL) followed several weeks of productive discussions.

 “We welcome the latest developments on potential future access,” he said. “This is the result of the Commission’s strong bilateral cooperation and engagement with Anthropic, a leading frontier AI company.”

The EC was careful to frame the moment not as a resolution but as a starting point to work with the US administration, Anthropic and additional AI companies such as OpenAI.

“This is a shared challenge, and we are intensifying our discussions with like-minded partners, including the United States,” Regnier said.

The plan is for ENISA to join Project Glasswing, the coalition Anthropic announced in April which includes Amazon, Apple, AT&T, T-Mobile US, Microsoft, Google, CrowdStrike, Nvidia and Palo Alto Networks, among others.

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