Sources: 
Anthropic's Mythos AI represents a significant challenge in cybersecurity, described as a
“watershed moment”. This AI model can reportedly identify and exploit
zero-day vulnerabilities in critical IT systems and browsers, which led Anthropic to decide against a public release.
Given its potential implications for organizations worldwide, Mythos has been withheld from general access. According to Anthropic, this technology poses a severe threat to cybersecurity across the board.
Mythos could identify and exploit “zero-day” flaws if prompted, raising alarms over the extent of its capabilities.
Concern about Mythos has reached high levels, prompting
US Treasury Secretary Scott Bessent to convene a meeting with major banks, including
Goldman Sachs and
Citi, following fears about the AI's potential exploitation of vulnerabilities.
About
40 companies, including
Google,
JP Morgan, and
Goldman, have been given early access to Mythos through a program called
Project Glasswing, signifying the urgent need to manage the risks associated with this advanced technology.
Sources: 
Anthropic's Mythos AI, a significant advancement in cybersecurity, is withheld from public release due to its potential to exploit zero-day vulnerabilities in major IT systems. With early access granted to about 40 companies, including Google and JP Morgan, it marks a pivotal moment for digital security.