Eleven Labs raises $500 million from Sequoia at $11 billion valuation

Voice AI company ElevenLabs today announced that it has raised $500 million in a new funding round led by Sequoia Capital, an investor in the startup’s final second round of bidding. Sequoia partner Andrew Reed will join the company’s board of directors. The company is now valued at $11 billion, more than triple the valuation […]
‘Nitrogen-fixing’ trees could help restore tropical forests, research suggests

Providing additional nitrogen could double the growth of tropical trees in recovering forests, significantly increasing the amount of carbon dioxide (CO2) they can absorb over a 10-year period, according to a new study. The researchers found that adding nitrogen fertilizer to the soil in the youngest forests (forests less than a year old) increased tree […]
Uber appoints new CFO as AV plans accelerate

Uber is promoting Balaji Krishnamurthy, vice president of strategic finance and investor relations, to chief financial officer (CFO), replacing current finance chief Prashant Mahendra-Raja. Krishnamurthy has been with Uber for more than six years, spending most of her tenure in the company’s investor relations department. The appointment may signal the company’s driverless investments and expansion […]
China-linked Amaranth-Dragon exploits WinRAR flaws for espionage

China-linked threat actors are believed to be involved in new cyber espionage operations targeting governments and law enforcement agencies across Southeast Asia throughout 2025. Check Point Research is tracking a previously undocumented cluster of activity under the name “Amaranth-Dragon,” which it says shares a connection with the APT 41 ecosystem. Target countries include Cambodia, Thailand, […]
Orchid Security brings continuous identity observability to enterprise applications

hacker newsFebruary 4, 2026Identity Security/Security Operations An innovative approach to discovering, analyzing, and managing identity usage that goes beyond traditional IAM controls. Challenge: Identity exists outside the identity stack Identity and access management tools were built to manage users and directories. Modern businesses run on applications. Over time, identity logic has moved into application code, […]
Diagnostic dilemma: autopsy reveals unexpected ‘boomerang’ structure in man’s heart

Death: 39-year-old man living in the United States Autopsy results: The coroner examined the man after a desperate struggle, during which the stab wound pierced a vein in his lung. They noted that the man’s heart was slightly enlarged and he had moderate atherosclerotic coronary artery disease (CAD) in two blood vessels. CAD is caused […]
How early decisions shape incident response investigations

Many incident response failures are not due to a lack of tools, intelligence, or technical skills. They result from what happens immediately after detection, when pressure is high and information is incomplete. We’ve seen IR teams recover from advanced intrusions with limited telemetry. I’ve also seen teams lose control of investigations they could have handled. […]
‘Textbooks need to be updated’: Juno spacecraft reveals Jupiter is smaller and flatter than we thought

Jupiter is slightly smaller and flatter than scientists thought for decades, a new study has found. Researchers used radio data from the Juno spacecraft to refine measurements of the solar system’s largest planet. Although the differences between the current measurements and previous measurements are small, models of Jupiter’s interior and other gas giants like Jupiter […]
Exclusive: Positron raises $230 million in Series B to take on Nvidia’s AI chips

Semiconductor startup Positron has secured $230 million in Series B funding, TechCrunch has learned exclusively. The organization plans to use the capital to accelerate the deployment of high-speed memory chips, a key component of chips used for AI workloads, people told TechCrunch. Investors in the round also include Qatar Investment Authority (QIA), the country’s sovereign […]
Microsoft warns that Python Infostears is targeting macOS via fake ads and installers

Ravi LakshmananFebruary 4, 2026Malvertising/information thieves Microsoft warned that information theft attacks are “rapidly expanding” beyond Windows to target Apple’s macOS environment by leveraging cross-platform languages such as Python and abusing trusted platforms for large-scale distribution. The tech giant’s Defender Security Research team said it has observed information stealer campaigns targeting macOS since late 2025 using […]