Duncan Riley

Duncan Riley is a senior writer at SiliconANGLE covering Startups, Bitcoin, and the Internet of Things. Duncan is a co-founder of VC funded media company B5Media and founder of news site The Inquisitr, and was a senior writer at TechCrunch in its earlier days. Tips? Press releases? Intersting startup? email: duncan@nichenet.com.au or contact Duncan on Twitter @duncanriley

Latest from Duncan Riley

Researchers jailbreak GPT-5 with multi-turn Echo Chamber storytelling

Security researchers have revealed that OpenAI’s recently released GPT-5 model can be jailbroken using a multi-turn manipulation technique that blends the “Echo Chamber” method with narrative storytelling. Jailbreaking a GPT model is a way of manipulating prompts or conversation flows to bypass built-in safety and content restrictions. The methodology involves crafting inputs over multiple turns ...

Nearly 30,000 Microsoft Exchange servers remain unpatched against critical hybrid flaw

A critical vulnerability in Microsoft Exchange Server remains unpatched on nearly 30,000 systems worldwide, raising concerns about potential exploitation in hybrid cloud environments. The vulnerability, tracked as CVE-2025-53786, affects Exchange 2016, Exchange 2019 and Exchange Server Subscription Edition in hybrid configurations with Exchange Online. The vulnerability allows attackers with administrator access to an on-premises server ...

Elon Musk’s xAI opens Grok 4 access to free tier as GPT-5 backlash grows

Elon Musk’s xAI Holdings Corp. has made the latest version of its artificial intelligence model, Grok 4, free to all users, albeit with usage caps, as controversy continues around OpenAI’s GPT-5 model. Grok 4 made its debut on July 10 with improved reasoning, faster response times and broader multimodal capabilities compared with earlier versions. By ...

Nearly half of enterprises tested had passwords cracked in Picus Security report

A new report out today from cybersecurity validation startup Picus Security Inc. reveals that nearly half of enterprise environments had at least one password cracked during testing, a dramatic increase from last year and that attacks using valid credentials succeeded 98% of the time. The data comes from the Picus Security Blue Report 2025 and ...

Decart raises $100M on $3.1B valuation to grow real-time AI video platform

Artificial intelligence developer Decart.AI Inc. today announced that it has raised $100 million in new funding on a $3.1 billion valuation to expand research and development, scale up its infrastructure platform and accelerate go-to-market efforts for its real-time generative AI technologies. Founded in 2023, Decart specializes in real-time generative video technology and graphics processing unit ...

Firefly Aerospace shares rise 34% in Nasdaq debut after $868M IPO

Space technology company Firefly Aerospace Inc. successfully debuted on the Nasdaq today and saw its share price close regular trading up 34% from its initial offering price. The company raised approximately $868 million in the float after its stock listed at $45 per share. Through its first day of trading, Firefly Aerospace stock hit a ...

Atlassian tops estimates with strong cloud and subscription growth

Shares in Atlassian Corp. rose slightly in after-hours trading today after the Australian collaboration software company reported earnings and revenue beats in its fiscal fourth quarter but just fell short of expectations with its revenue outlook. For the quarter that ended on June 30, Atlassian reported adjusted earnings per share of 96 cents, up from ...

Block guidance boost drives shares higher as Chime delivers solid debut earnings

Financial service companies Block Inc. and Chime Financial Inc. both reported second-quarter earnings today, with shares in Block up solidly up after hours thanks to strong guidance, while Chime shares declined slightly. For the quarter that ended on June 30, Block reported adjusted earnings per share of 62 cents, up from 47 cents in the ...

AI-driven attacks, zero-days and cybercrime syndicates top Secureframe threat report

A new report out today from compliance automation platform provider Secureframe Inc. details the most dangerous cyberthreats of 2025 so far, with artificial intelligence-enhanced attacks, zero-day exploits and organized cybercrime syndicates emerging as top risks. The report identifies eight major threat vectors affecting organizations today. Ransomware, phishing, insider threats and credential compromise continue to cause widespread ...

Tavily raises $25M to expand real-time web access infrastructure for AI agents

Tavily Inc., a startup providing a web access layer for artificial intelligence agents, announced today that it has raised $25 million in funding, including $20 million in a Series A round. The company plans to double its headcount, expand its go-to-market efforts, deepen partnerships, and enhance its real-time search infrastructure for AI agents. Founded in ...