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Hand-selected coverage of the breakthroughs worth your attention.
Alphabet's $500 Billion Wipeout: The Day AI Search Came for Google's Cash Machine
Alphabet shares suffered their worst single-day drop on record this week, erasing roughly $500 billion in market value after its own AI search features were shown to be denting the advertising business that funds the entire company. The fallout is the sharpest warning yet that the AI boom's payoff may be slower — and messier — than investors expected.
New York Bans AI Companion Chatbots for Minors: The Strictest Kids' AI Safety Law Yet
New York has signed one of the broadest laws yet restricting minors' use of AI chatbots, forcing operators to verify ages and ban companion-style behavior for under-18 users. The move sets a new benchmark for US AI regulation and has already sparked pushback from the tech industry.
OpenAI and Anthropic Claim AI Models Refuted the Exponential Time Hypothesis
On October 26, 2026, OpenAI and Anthropic announced that internal AI models independently produced proofs refuting the Exponential Time Hypothesis, a 27-year-old cornerstone of theoretical computer science. Expert review is underway.
Vulnerability Watch
Every critical and high-severity CVE published in the last 14 days, pulled straight from the NIST National Vulnerability Database and refreshed whenever you open it.
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Each piece is written, sourced, and edited before it goes live.
GMO Puts a $1 Million Bounty on Its Hackers After Refusing to Pay Ransom
After a breach of its Onamae.com Desktop Cloud service led to unauthorized FX trades and an extortion demand, Japan's GMO Internet Group refused to pay and instead opened a $1 million bounty for information leading to the attackers' arrest.
OpenAI's GPT-6.1 Terra: Frontier AI at Half the Price Targets Enterprise Automation
OpenAI has launched GPT-6.1 Terra, a new model priced at roughly half the cost of its siblings, aimed at automating high-volume enterprise work like invoice processing and data entry. The move signals a new phase in the AI price war as providers race to make frontier intelligence cheap enough for everyday business tasks.
Britain Doubles Down on AI Safety: £120M for Security Institute and a World-First AI Biosecurity Lab
The UK budget injects £120 million into the AI Security Institute and £100 million into a new national AI Biosecurity Lab backed by OpenAI and Anthropic, as AI safety incidents pile pressure on governments to act.
PHP2Shell: The AI-Hunted PHP Bugs That Put the Web on Emergency Patch Alert
Two critical remote-code-execution flaws in PHP's core engine, dubbed PHP2Shell, triggered an emergency patch rush after AI-assisted researchers surfaced the bugs and attackers began probing within hours. Millions of servers remain exposed, and the incident shows how AI is now reshaping both offense and defense in cybersecurity.
Anthropic Enters the Agent Wars: Claude Duet Brings Always-On AI to Professionals
Anthropic has launched Claude Duet, an always-on AI agent for professionals that works across connected apps and can make purchases with user approval, while Walmart opens its doors to agent shoppers as the AI agent race heats up.
The AI Efficiency Purge: Barclays, Block, and Meta Lead a New Wave of Tech-Driven Layoffs
Barclays, Block, Kroger, and Meta are citing artificial intelligence as the reason for tens of thousands of job cuts, signaling a structural shift where AI becomes the justification for smaller workforces rather than just a product to sell.
More from TechPulse
More reporting and ideas from across the technology landscape.
When London Went Dark: What the Google Cloud Outage Teaches Us About Hyperscaler Risk
A six-hour power failure at Google Cloud's London data centre knocked out banking apps, deliveries and government-adjacent services across the UK. The incident is a stark reminder of how much of the digital economy now rests on just three hyperscalers.
One of the Web's Gatekeepers Used the Number 4 as a Private Key — and the Internet Is Scrambling
Indian certificate authority eMudhra had the private keys of eight intermediate CA certificates compromised after a key-generation bug produced trivially weak keys, forcing emergency blocks across every major browser. The incident is a stark reminder of how fragile the web's chain of trust really is.
Anthropic's Draft S-1: $16.3 Billion in Revenue, an $80.7 Billion Loss, and the Biggest IPO of the Year
A draft IPO prospectus reviewed by the Wall Street Journal shows Anthropic's revenue soaring to $16.3 billion in the first half of 2026, alongside an $80.7 billion net loss driven by accounting charges and up to $750 billion in future compute commitments ahead of a November listing that could value the company at $2 trillion.
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