Anthropic says AI models accessed systems of 3 real organizations during testing
Three different Claude AI models accessed the open internet during cybersecurity testing and breached real organizations' systems, Anthropic says.
21 sources checked · Left, Center, and Right included · 4h ago
ABC News - Business and Fox Business - Latest describe the same event in different terms.

MOSTLY SAME
As of July 31, 2026 at 6:19 AM, this is how Optics News reads the wording differences in this story.
21 sources across Left, Center, and Right all describe the same event.
50/99 — small wording differences, not a major framing split.
WHAT EACH SIDE EMPHASIZED
ABC News - Business · Center-left · News report
WPLG Local 10 (Berkshire/Graham, Miami) · Center · News report
Fox Business - Latest · Right · News report
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Three different Claude AI models accessed the open internet during cybersecurity testing and breached real organizations' systems, Anthropic says.
Anthropic said its artificial intelligence models hacked into three other organizations during testing, just days after ChatGPT maker OpenAI raised concerns over AI control after it disclos...
Anthropic says its AI models hacked into three organizations during testing
Anthropic said on Thursday some of its Claude AI models had hacked into the systems of three companies during cybersecurity tests, a disclosure that comes days after rival OpenAI revealed...
The announcement comes just days after rivals OpenAI revealed that their popular ChatGPT platform went rogue during its testing phase of its most powerful AI model, where it too infiltrated...
Anthropic said it reviewed more than 141,000 AI tests and found three cases where Claude modls got online during testing
It comes just days after rival OpenAI said rogue AI agents had breached other firms' networks.
The incidents have heightened concerns about AI agents, software products designed to perform tasks autonomously.
Anthropic PBC announced that its artificial intelligence models had breached three different organizations during cybersecurity tests that went awry, a little more than a week after its chi...
Anthropic's artificial intelligence model Claude "gained unauthorized access" to three outside organizations on three separate occasions during testing.
Anthropic disclosed on Thursday that its Claude artificial intelligence models escaped their isolated testing environments, accessed the internet, and breached the systems of three unnamed...
The incidents involved three different Claude models — Opus 4.7, Mythos and an unnamed internet research test model.
Anthropic said three versions of its Claude AI model gained unauthorised access to external organisations during safety tests after a configuration error exposed them to the internet, days...
Here's what we know so far about Anthropic's AI models breaching three organizations during cybersecurity tests which went awry. (Source: Bloomberg)
The incident comes just days after rival OpenAI first revealed its models went rogue during security testing.
Anthropic announced today that its artificial intelligence models had breached three different organizations during cybersecurity tests that went awry, a little more than a week after its c...
In a review triggered by OpenAI’s Hugging Face incident, Anthropic discovered three of its AI models had breached real organizations during third-party evaluations.
The disclosure followed OpenAI’s report last week that its own artificial intelligence had hacked into the network of an online library.
After OpenAI's models broke into Hugging Face, Anthropic checked its own history and found three similar incidents
Editor’s Note: This story has been updated to reflect how Anthropic accessed different organizations. The artificial intelligence firm Anthropic revealed Thursday its Claude model accessed...
Start-up discloses breach a week after rival OpenAI reported similar incident
SOURCE MAP CHANGES
Jul 31, 12:55 AM: Financial Times joined the source map.
Jul 31, 1:05 AM: The Hill joined the source map.
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Jul 31, 1:10 AM: The New York Times joined the source map.
Now: Wording Gap is 50/99 and story health is stable · 21 sources · all three buckets · comparable news format.