According to the The Wall Street Journal, the export control directive that led to Anthropic cutting off access to Fable 5 and Mythos 5 was triggered in part by cybersecurity research from Amazon and conversations between CEO Andy Jassy and the White House. According to the report, the paper from Amazon claims that, through a series of prompts, it was able to get Fable 5 to serve up information that could be used in cyberattacks. Amazon has yet to respond to a request for comment.

Shortly after Jassy shared the company's findings with the government, it made the call to block its use by foreign nationals. Complicating this issue is that man …

Read the full story at The Verge.

A former  IT employee at an Iowa school district was sentenced to 21 months in prison after conducting a prolonged cyberattack against the former employer that disrupted classroom operations, deleted accounts, and caused tens of thousands of dollars in damages. [...]

Amazon CEO Andy Jassy may have been the source of security concerns that led Anthropic to cut off worldwide access to two models on Friday.

More than 1,500 user-contributed packages in the Arch Linux User Repository "AUR" were infected with malware, reports Phoronix: The last message in the thread over this security incident is noting that Arch Linux developers have deleted all the malicious commits they are aware of. Cited was this list that puts the number of malware-affected packages at 1,579... Even at 1,579 packages listed, that final updated noted, it's a "list containing many (but not all) of the affected packages". Thanks to long-time Slashdot reader couchslug for sharing the report.

Read more of this story at Slashdot.

Chinese hackers took control of a target organization's authentication stack and maintained persistence for 10 years, with full visibility into the administrative activity. [...]

Hidden inside a building in Alabama, the FBI has created its own small town as a dedicated cyber training ground for simulating cyberattacks.

Plus: AI bug hunting fuels Microsoft’s biggest-ever Patch Tuesday, ShinyHunters ransomware gang exploits an Oracle zero-day, and more.

The US government has ordered Anthropic to block all foreign nationals from accessing Fable 5 and Mythos 5, forcing the company to suspend both models worldwide. Anthropic is complying but disputes the basis, calling the cited jailbreak narrow and the capability widely available elsewhere. [...]

Researchers from Tokyo Metropolitan University have created a new paradigm for identifying online phishing campaigns. Their new system, PhishLumos, is triggered when links show signs of concealing information and looks for clues in the "infrastructure" of the website to uncover the whole campaign of which the site is only a tiny part. Real-world testing showed detection that was eight days faster than an expert's, with 190,000 URLs detected over six months.

When security researchers want to understand what a modern processor is really doing with the kind of detail

The company said on Friday night that the federal government had ordered limits on its Mythos and Fable 5 A.I. systems, citing national security concerns.