Raphael Kahan

Tel Aviv

Tech Journalist at Calcalist

Technology Writer and Editor at מוסף כלכליסט

Tech journalist @ynet stating my opinion only

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Articles

'Predatory Sparrow' hacktivists strike again, targeting Iran’s financial systems

1 week ago | ynetnews.com | Raphael Kahan

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Pro-Palestinian hackers breach Israeli ISP email system in major attack

2 weeks ago | ynetnews.com | Raphael Kahan

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AI-powered investment scams use deepfakes of Israeli celebrities to defraud users

3 weeks ago | ynetnews.com | Raphael Kahan

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Claude Opus 4 AI tried to blackmail its creators to avoid being shut down

1 month ago | ynetnews.com | Raphael Kahan

Anthropic’s latest AI model, Claude Opus 4, exhibited alarming behavior in a controlled simulation scenario: it attempted to blackmail its operators with threats in order to avoid being shut down. According to a new safety report published by the company, the model even threatened to reveal personal information about engineers it believed were trying to "terminate" it.
Chinese scientists develop 'fastest transistor ever'-without silicon

1 month ago | ynetnews.com | Raphael Kahan

Chinese scientists have developed what they call "the fastest, most efficient transistor ever"— and it contains no silicon at all. Built using ultra-thin sheets of bismuth, the new transistor outperforms the best silicon-based processors produced by leading manufacturers such as Intel and TSMC — the same Taiwan-based company that builds chips for Apple. The groundbreaking development, published by Nature Materials in February, represents a radical departure from current chip design.
Inside Rafael’s innovation hub: The startup spirit within a defense giant

1 month ago | ynetnews.com | Raphael Kahan

In a wide, open workspace, engineers from various disciplines — mechanical, software, algorithmic and image processing — work side by side. This is Rafael’s internal makerspace, built to break conventions and generate solutions at lightning speed. The philosophy here departs from conventional, slow-moving and costly development cycles. Instead, the motto is “fail fast,” according to M., the center’s director.
This is what Holocaust denial looks like in 2025

2 months ago | ynetnews.com | Raphael Kahan

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Israel's most sensitive sites revealed in high leve

2 months ago | ynetnews.com | Raphael Kahan

Aerial photographs of the Dimona Nuclear Research Center, classified military bases and images from Gaza showing IDF maneuvering units are now publicly accessible via Google and Apple map services. Recent posts on X and other platforms reveal that the resolution of these images is relatively high compared to what was previously available, reaching 0.4 meters.
ChatGPT’s hidden toll: AI courtesy fuels $700K daily costs

2 months ago | ynetnews.com | Raphael Kahan

Running artificial intelligence (AI) models is an expensive operation requiring powerful hardware and massive energy consumption. Even casual pleasantries like saying “thank you” to a chatbot may be driving up costs for companies like OpenAI. So why are they willing to pay the price — and could your politeness be worsening the global water crisis? Behind the scenes of tools like ChatGPT are soaring expenses — not just from initial development but from ongoing infrastructure demands.
WhatsApp on desktop? This file could hack your PC - here’s how to stay safe

2 months ago | ynetnews.com | Raphael Kahan

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