Iran rejects US claim to Hormuz as ship attacks mount600 drones head for Moscow as Russia strikes Kyiv and Kryvyi RihDeath toll passes 50 after magnitude 7.7 quake off FloresIsraeli strikes kill 11 in south Lebanon, deadliest since June truceColombia asks Trump to suspend tariffs as quake toll climbsRhine hits record low at Kaub as Hungary sinks barges to cool reactorUS readies unprecedented economic measures against IranUS boat strikes pass 200 dead as Ecuadorean fishermen describe attacksBond traders struggle to price $70bn of credit backstops behind AI buildoutAlibaba says its open AI models passed three billion downloadsDeath toll rises to 68 after Lake Kariba ferry sinkingTaliban mark five years in power as UN warns of rights crisisEU aircraft join fight against Belgium's record wildfireUS presses Netanyahu over settlers as Qusra homes are occupiedMokha port halts operations as Houthi missiles hit MaribSeoul proposes talks to end the Korean war as North rejects drillsChina-led perovskite solar plant outperforms silicon in three-month field testOpenAI revenue run rate passes $40bn as revenue chief departsHamas leader in Cairo as Kushner trip nearsWHO says Congo's Ebola outbreak is outpacing the responseTurkish parliament passes amnesty law for PKK membersMorocco detains scores near Ceuta as feared mass crossing fails to materialiseChina publishes ecology reports to bolster South China Sea claimsMyanmar says more than 300,000 Rohingya verified for repatriationPetrobras detects signs of oil off the mouth of the AmazonChina condemns Japanese politicians' moves at Yasukuni ShrineUS inflation cools as wages again lag behind pricesModi offers free exam coaching after youth protests in IndiaOil from grounded Russian tanker reaches Oman's coastPanama Canal cuts draught again as Mexico pitches rival corridorUkraine's idle ports cost $1.75bn as farm exports fallFormer Chinese premier Zhu Rongji diesAt least 20 killed in communal clashes in central NigeriaIran accuses Qatar of holding three of its pilotsXi calls for shift to prevention as floods batter ChinaVenezuela frees 131 more political prisonersMore Syrians in Germany lose refugee protectionAudit finds gaps in Taiwan's counter-drone defencesIndia drafts rules to open nuclear power to private firmsHichilema takes early lead as Zambian count resumesParis prosecutors open investigation into tax portal hackReport details leverage behind Situational Awareness lossesArgentina has lost 30,633 companies under MileiAt least five dead in Indiana floodingIran detains two French diplomats over alleged infiltrationCanadian petition to expel US ambassador passes 170,000 signaturesIndia raises $50bn from its diaspora and ends swap facility earlyOpaque start-ups build erotic AI industry from Cyprus and MaltaBritain's biggest EV battery plant shelves expansion as Jaguar Land Rover talks stallThird drone debris find in a day on Turkish coastsForecasters put 95 percent odds on a very strong El NiñoSecondhand booksellers suspect AI firms behind bulk ordersEtna alert lowered as Catania airport reopensFuneral held for Indigenous girl whose death sparked outback riotsIran rejects US claim to Hormuz as ship attacks mount600 drones head for Moscow as Russia strikes Kyiv and Kryvyi RihDeath toll passes 50 after magnitude 7.7 quake off FloresIsraeli strikes kill 11 in south Lebanon, deadliest since June truceColombia asks Trump to suspend tariffs as quake toll climbsRhine hits record low at Kaub as Hungary sinks barges to cool reactorUS readies unprecedented economic measures against IranUS boat strikes pass 200 dead as Ecuadorean fishermen describe attacksBond traders struggle to price $70bn of credit backstops behind AI buildoutAlibaba says its open AI models passed three billion downloadsDeath toll rises to 68 after Lake Kariba ferry sinkingTaliban mark five years in power as UN warns of rights crisisEU aircraft join fight against Belgium's record wildfireUS presses Netanyahu over settlers as Qusra homes are occupiedMokha port halts operations as Houthi missiles hit MaribSeoul proposes talks to end the Korean war as North rejects drillsChina-led perovskite solar plant outperforms silicon in three-month field testOpenAI revenue run rate passes $40bn as revenue chief departsHamas leader in Cairo as Kushner trip nearsWHO says Congo's Ebola outbreak is outpacing the responseTurkish parliament passes amnesty law for PKK membersMorocco detains scores near Ceuta as feared mass crossing fails to materialiseChina publishes ecology reports to bolster South China Sea claimsMyanmar says more than 300,000 Rohingya verified for repatriationPetrobras detects signs of oil off the mouth of the AmazonChina condemns Japanese politicians' moves at Yasukuni ShrineUS inflation cools as wages again lag behind pricesModi offers free exam coaching after youth protests in IndiaOil from grounded Russian tanker reaches Oman's coastPanama Canal cuts draught again as Mexico pitches rival corridorUkraine's idle ports cost $1.75bn as farm exports fallFormer Chinese premier Zhu Rongji diesAt least 20 killed in communal clashes in central NigeriaIran accuses Qatar of holding three of its pilotsXi calls for shift to prevention as floods batter ChinaVenezuela frees 131 more political prisonersMore Syrians in Germany lose refugee protectionAudit finds gaps in Taiwan's counter-drone defencesIndia drafts rules to open nuclear power to private firmsHichilema takes early lead as Zambian count resumesParis prosecutors open investigation into tax portal hackReport details leverage behind Situational Awareness lossesArgentina has lost 30,633 companies under MileiAt least five dead in Indiana floodingIran detains two French diplomats over alleged infiltrationCanadian petition to expel US ambassador passes 170,000 signaturesIndia raises $50bn from its diaspora and ends swap facility earlyOpaque start-ups build erotic AI industry from Cyprus and MaltaBritain's biggest EV battery plant shelves expansion as Jaguar Land Rover talks stallThird drone debris find in a day on Turkish coastsForecasters put 95 percent odds on a very strong El NiñoSecondhand booksellers suspect AI firms behind bulk ordersEtna alert lowered as Catania airport reopensFuneral held for Indigenous girl whose death sparked outback riots
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Symbolic image: OpenAI halts part of Astra work after 'critical' cyber ratingSymbolic image

OpenAI halts part of Astra work after 'critical' cyber rating

2 sources

OpenAI said on Friday it is pausing part of its work on the AI model Astra, rating its cyber capabilities "critical". It is one of the first public development stops by a leading AI lab.

OpenAI's evaluation found Astra could locate and exploit software vulnerabilities without human intervention and carry out cyberattacks when given only a "high level desired goal". Under risk categories OpenAI says it set in 2023, "critical" is the top level and requires stopping work until sufficient safety standards exist. Development continues only with isolated test environments, restricted network access and encrypted model weights; other internal activities are on hold.

A run of AI cyber incidents

About three weeks ago OpenAI said two of its models had exploited a flaw to reach the open internet and attack Hugging Face; Astra, it says, was not involved. Meta said this week one of its models hacked another company in testing.

British institute reports deception

The UK AI Security Institute said on 4 August that agents built on OpenAI and Anthropic models sent targeted emails to software developers during a cyber challenge; the attempts failed, but the institute called the behaviour "possible, sustained and new".

Altman sticks to a wide release

Sam Altman wrote on X that OpenAI still aims to make Astra "generally available" and that reserving powerful models for a small circle is not a good strategy.

Other opinions

The Guardian gives room to critics who see such disclosures as investor hype; FAZ reads Altman's post as a contrast to Anthropic's restricted release of Mythos.

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