Tech
Microsoft launches its first cybersecurity model, plus a new agentic cybersecurity system
Microsoft on Monday launched its first cybersecurity-specialized model alongside a new AI cybersecurity platform at a small event in San Francisco, taking a big swipe at major players in the space — namely Anthropic, Google and OpenAI.
The company describes MAI-Cyber-1-Flash as a model that’s built “to find challenging vulnerabilities in complex codebases.” The model is built to animate MDASH, Microsoft’s harness dedicated to software vulnerability identification and remediation.
The new security platform is dubbed Perception, and it’s designed to deploy teams of agents to assist with and automate various security workflows, including identifying and remediating bugs. The platform can also integrate with MDASH.
The company claims MAI-Cyber-1-Flash is significantly more powerful (and more cost-effective) than competitor models, based on its performance on an established AI cybersecurity benchmark.
“We’re very very excited to announce our results,” said Mustafa Suleyman, the co-founder of DeepMind and current CEO of Microsoft AI. “We have MAI-1 Cyber Flash binded [sic] with GPT 5.4 inside of the MDASH harness — which beats out Gemini, GPT 5.5 Cyber, GPT 5.6 Sol, and Mythos 5 on Cyber Gym, which is the primary benchmark that we all use. The golden benchmark.”
“We’re shipping this into production immediately,” he added.
Noting that hackers are increasingly using AI in their cyberattacks, Hayete Gallot, Microsoft’s vice president for security, described Perception as a way for enterprise defenders to “defend against AI with AI at the scale and speed that the attackers have.”
Perception uses agentic red teams, blue teams, and green teams. The red teams can provide detailed simulations of potential attacks — providing context about potential threat actors and the likely vulnerabilities that they might exploit. Blue teams are dedicated to detecting and triaging existing bugs, while green teams take “corrective actions” against those bugs.
Dave Weston, the lead engineer for Perception, described the platform as a massive efficiency upgrade for corporate defenders. “We’ve gone from this taking hours and hours of manual work from multiple specialized folks across the security organization — appsec hunters, remediation engineers, you name it — and in minutes, we have a fix for all of this. Not only do we discover the issues and prioritize them, but we have detection, posture fixing, and even a code fix.”
Though AI has offered new defensive capabilities to companies, its availability to cybercriminals has given rise to a dazzling array of potential threats.
Microsoft’s new security tools, which the company said will be available in preview on November 3, will enter an increasingly crowded field of AI cybersecurity solutions. Earlier this year, Anthropic launched Mythos, a security platform that was released to a small coterie of partner organizations through a program called Glasswing. OpenAI has also launched its own security solution in May through a program called Day Break.
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Tech
Apple sued after alleged App Store crypto scam cost users $1.8M
Apple is being sued for alleged negligence regarding its App Store security measures. In a lawsuit filed on Friday in the U.S. District Court of Northern California, three plaintiffs claim they were tricked into downloading and installing a fraudulent crypto wallet app, leading them to collectively lose more than $1.8 million.
The lawsuit centers on Apple’s claim that it secures its App Store by reviewing apps before they go live to protect users from fraudulent and malicious apps. In this case, the plaintiffs downloaded an app called Sparrow Wallet, even though the official Sparrow Bitcoin wallet is not available on iOS.
The plaintiffs transferred their Bitcoin to the fraudulent app, losing large amounts of the virtual currency, according to the complaint. Plaintiff James Ramirez lost about $875,000; plaintiff Christopher Ellis lost around $840,000, and plaintiff Jalen Delgado lost roughly $120,000.
The complaint targets one of Apple’s longtime competitive arguments: that its tight control over its App Store makes its platform safer than those offered by its rivals. The company has used this claim to push back against deregulation of the app ecosystem, including third-party app stores and sideloading.
“As part of a sustained marketing campaign, Apple has positioned itself, its products and services, as offering a level of security and trustworthiness superior to any competing technology company,” the new filing states. “This includes assurances about the safety of applications distributed through its App Store. By retaining exclusive control over which apps are permitted on Apple devices, Apple has structured its platform to ensure that consumers depend entirely on its promise of safety and reliability,” it reads.
The complaint also accuses Apple of knowingly hosting fraudulent apps, pointing to public criticism by Sparrow Bitcoin Wallet’s creator, Craig Raw, who said Apple had allowed fake Sparrow Wallet apps to remain on the App Store.
The three are asking for a trial by jury and seek to recoup their lost money and other damages. They also want Apple to provide warnings and disclosures about the App Store’s risks.
Apple declined to comment on the lawsuit. The company did stand behind its security measures, telling TechCrunch that apps impersonating others are a violation of its guidelines and it takes swift action to remove them. Apple added that there are currently no Sparrow Wallet copycats on the App Store.
The company also pointed to its latest analysis of its ecosystem, which found that in 2025 it rejected more than 371,000 submissions that copied other apps, were spam, or otherwise misled users.
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Tech
Amazon’s new satellite network for mobile phones could turn up the heat on SpaceX
Amazon filed an application with the Federal Communications Commission for a license to operate a new network of 5,105 satellites that would provide service to mobile phones, with plans to start launching them in 2028.
The move comes several months after Amazon acquired the satellite operations of Globalstar, which provides emergency connectivity to Apple iPhones and internet-of-Things devices. The filing revealed the company’s plans to leverage Globalstar’s radio spectrum to expand these offerings and integrate them with Leo, Amazon’s broadband internet satellite network.
That sets up more competition with SpaceX, which has dominated both the satellite internet and satellite-to-mobile services market. SpaceX will spend $20 billion buying spectrum from Echostar to build out its mobile constellation, one of the key growth strategies described in its IPO filings.
Still, it’s not yet clear how valuable satellite-to-mobile connections will be. Most offer limited bandwidth, suitable only for text messages or emergency situations. The CEO of T-Mobile, which uses SpaceX satellites to offer customers satellite connectivity, said this spring that there wasn’t significant customer interest.
“Just to give you an example, we look at our data in May, and satellite usage is 0.0002% of our total network usage. That’s three zeros,” Srini Gopalan said at a conference in May. “We’re seeing it largely focused on the national parks.”
Amazon has an additional challenge: It doesn’t have its own fleet of rockets. It had planned to depend on Jeff Bezos’ space company, Blue Origin, to launch its satellites, but the company’s rocket, New Glenn, has been delayed and is now grounded following an anomaly that destroyed its launch pad in May. The company had to request an extension to the deadline imposed by its FCC license to build out its network.
While Amazon still lags behind SpaceX, its massive capital reserves — $255 billion in current assets on the books as of the end of April — mean that it can keep investing in its network, while SpaceX’s capital needs appear far more pressing.
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Tech
Antares raises $470M to build nuclear reactors for the U.S. military
Nuclear power startup Antares said Monday that it has raised $470 million to build small reactors for U.S. military bases.
The Series C round, which was led by Paradigm and Caffeinated Capital with participation from Industrious Ventures, Point72 Ventures, and Shine Capital, underscores investors’ growing interest in advanced nuclear startups — a trend fueled by an AI data center building boom and demand for new sources of power. The Series C round included $370 million in equity and $100 million in debt.
Antares has been developing a small modular reactor (SMR) capable of producing between 100 kilowatts and 1 megawatt of electricity, enough to power up to 750 homes.
Like many other advanced nuclear startups, Antares’s reactor uses TRISO fuel, which encapsulates uranium in carbon and ceramic shells. TRISO has been touted for years as a safer alternative to traditional nuclear fuel. The billiard ball-sized spheres of TRISO fuel can be cooled by gases like helium or molten salts. The coating is designed to prevent the fuel from melting in typical high-temperature reactors.
Antares’s demonstration reactor, the Mark-0, reached criticality on June 4 at the Idaho National Laboratory.
The company is one of three finalists in the Pentagon’s Advanced Nuclear Power for Installations program, which will test SMRs on Air Force bases in Colorado and Montana. Antares aims to bring its first electricity-producing reactor online next year, with deployments at U.S. military installations planned for 2028.
Investors have been flocking to nuclear power, and fission in particular, as electricity demand surges in response to data center construction and the broader electrification of the economy. In April, X-energy raised $1 billion through an IPO, while Radiant Energy, Standard Nuclear, and Last Energy have each raised nine-figure rounds since December.
Antares closed its last round, a $96 million Series B, also in December. Altogether, Antares has raised $604 million, based on a TechCrunch analysis of PitchBook data.
Despite investor excitement, advanced nuclear startups face several hurdles to commercialization, including an immature supply chain in the U.S. and challenges with scaling production. Many SMR startups tout the benefits of mass manufacturing, claiming it will significantly reduce costs. But the benefits of mass manufacturing typically take at least a decade to materialize, and no startup has reached that stage yet.
The first SMRs, which are expected to enter service in the early 2030s, are unlikely to be cost competitive with most new power plants. Lazard, which analyzes the cost of energy for a variety of technologies, expects new SMRs to cost about $214 per megawatt hour. At that price, they would cost more than all but the most expensive gas turbines.
Antares hasn’t disclosed its pricing. But given the realities of the market, it’s not surprising that the startup decided to chase contracts for the U.S. military, a famously price-insensitive customer.
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