CyberWire Daily

• The bug that got everyone’s attention.

  Organizations worldwide scramble to address the critical React2Shell vulnerability.  Major insurers look to exclude artificial intelligence risks from corporate policies. Three Chinese hacking groups converge on the same Sharepoint flaws. Ransomware crews target hypervisors. A UK hospital asks the High Court to block publication of data stolen by the Clop gang. The White House approves additional Nvidia AI chip exports to China. The ICEBlock app creator sues the feds over app store removal. The FBI warns of virtual kidnapping scams. The FTC upholds a ban on a stalkerware maker. Dave Lindner, CISO of Contrast Security, discusses nation-state adversaries targeting source code to infiltrate the government and private sector. Craigslist’s founder pledges support for cybersecurity, veterans and pigeons. Remember to leave us a 5-star rating and review in your favorite podcast app. Miss an episode? Sign-up for our daily intelligence roundup, Daily Briefing, and you’ll never miss a beat. And be sure to follow CyberWire Daily on LinkedIn. CyberWire Guest ⁠Dave Lindner⁠, CISO of ⁠Contrast Security⁠, discusses nation-state adversaries targeting source code to infiltrate the government and private sector. Selected Reading Researchers track dozens of organizations affected by React2Shell compromises tied to China’s MSS (The Record) Insurers retreat from AI cover as risk of multibillion-dollar claims mounts (Financial Times) Three hacking groups, two vulnerabilities and all eyes on China (The Record) Researchers spot 700 percent increase in hypervisor ransomware attacks (The Register) UK Hospital Asks Court to Stymie Ransomware Data Leak (Bank Infosecurity) Trump says Nvidia can sell more powerful AI chips to China (The Verge) ICEBlock developer sues Trump administration over App Store removal (The Verge) New FBI alert urges vigilance on virtual kidnapping schemes (SC Media) FTC upholds ban on stalkerware founder Scott Zuckerman (TechCrunch) Craigslist founder signs the Giving Pledge, and his fortune will go to military families, fighting cyberattacks—and a pigeon rescue (Fortune) Share your feedback. What do you think about CyberWire Daily? Please take a few minutes to share your thoughts with us by completing our brief listener survey. Thank you for helping us continue to improve our show. Want to hear your company in the show? N2K CyberWire helps you reach the industry’s most influential leaders and operators, while building visibility, authority, and connectivity across the cybersecurity community. Learn more at sponsor.thecyberwire.com. The CyberWire is a production of N2K Networks, your source for strategic workforce intelligence. © N2K Networks, Inc. Learn more about your ad choices. Visit megaphone.fm/adchoices

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• AI and cyber practicum [CISOP]

  In this episode, host Kim Jones examines the rapid rise of enterprise AI and the tension between innovation and protection, sharing an RSA anecdote that highlights both excitement and concern. He outlines the benefits organizations hope to gain from AI while calling out often-overlooked risks like data quality, governance, and accountability. Kim is joined by technologist Tony Gauda to discuss why AI represents a fundamental shift in how systems and decisions are designed. Together, they explore AI-driven operations, cultural barriers to experimentation, and how CISOs can adopt AI responsibly without compromising security. Want more CISO Perspectives? Check out a companion ⁠⁠blog post⁠⁠ by our very own Ethan Cook, where he breaks down key insights, shares behind-the-scenes context, and highlights research that complements this episode. Learn more about your ad choices. Visit megaphone.fm/adchoices

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• America’s tech turn.

  How might Trump’s new National Security Strategy impact cyber? The UK’s NCSC warns LLMs may never get over prompt injection. At least 18 U.S. universities were hit by a months-long phishing campaign. Russia blocks FaceTime. A bipartisan group of senators reviving efforts to strengthen protections across the health sector. Portugal provides legal safe harbor for good-faith security research. A large-scale campaign targets Palo Alto GlobalProtect portals. A Maryland man gets 15 months in prison for his part in a North Korean IT worker scam. Business Brief. Tim Starks from CyberScoop unpacks the President's pending cybersecurity strategy release. An AI image sends UK train schedules off the rails.  Remember to leave us a 5-star rating and review in your favorite podcast app. Miss an episode? Sign-up for our daily intelligence roundup, Daily Briefing, and you’ll never miss a beat. And be sure to follow CyberWire Daily on LinkedIn. CyberWire Guest Today we are joined by Tim Starks, senior reporter  from CyberScoop, discussing President Trump's pending cybersecurity strategy release and the end of Sean Plankey’s nomination process. Selected Reading National Security Strategy (The White House) The National Security Strategy: The Good, the Not So Great, and the Alarm Bells (CSIS) UK intelligence warns AI 'prompt injection' attacks might never go away (The Record) Over 70 Domains Used in Months-Long Phishing Spree Against US Universities (Hackread) Russia restricts FaceTime, its latest step in controlling online communications (AP News) Bipartisan health care cybersecurity legislation returns to address a cornucopia of issues (CyberScoop) Portugal updates cybercrime law to exempt security researchers (Bleeping Computer) New wave of VPN login attempts targets Palo Alto GlobalProtect portals (Bleeping Computer) Maryland man sentenced for N. Korea IT worker scheme involving US government contracts (The Record) ServiceNow reportedly intends to acquire Veza for more than $1 billion (N2K Pro Business Briefing) Trains cancelled over fake bridge collapse image (BBC News) Share your feedback. What do you think about CyberWire Daily? Please take a few minutes to share your thoughts with us by completing our brief listener survey. Thank you for helping us continue to improve our show. Want to hear your company in the show? N2K CyberWire helps you reach the industry’s most influential leaders and operators, while building visibility, authority, and connectivity across the cybersecurity community. Learn more at sponsor.thecyberwire.com. The CyberWire is a production of N2K Networks, your source for strategic workforce intelligence. © N2K Networks, Inc. Learn more about your ad choices. Visit megaphone.fm/adchoices

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• Jon DiMaggio: Two roads diverged. [Strategy] [Career Notes]

  Please enjoy this encore of Career Notes. Chief security strategist from Analyst1, Jon DiMaggio shares his story on how he grew to become a part of the cybersecurity world. He describes different jobs that paved the way to the knowledge he has in the industry right now, and he even shares about an experience that led him to a path that split and which decision he would make, would be crucial in his career. He explains which way he ended up going and how a critical part of his career helped to determine that path. He says "there's two paths when you have that happen, you can either let it defeat you, or you know, you come back swinging." We thank Jon for sharing his story. Learn more about your ad choices. Visit megaphone.fm/adchoices

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• When macOS gets frostbite. [Research Saturday]

  Jaron Bradley, Director of Jamf Threat Labs, is sharing their work on "ChillyHell: A Deep Dive into a Modular macOS Backdoor." Jamf Threat Labs uncovers a newly notarized macOS backdoor called ChillyHell, tied to past UNC4487 activity and disguised as a legitimate applet. The malware showcases robust host profiling, multiple persistence mechanisms, timestomping, and flexible C2 communications over both DNS and HTTP. Its modular design includes reverse shells, payload delivery, self-updates, and a brute-force component targeting user credentials. The research can be found here: ⁠ChillyHell: A Deep Dive into a Modular macOS Backdoor Learn more about your ad choices. Visit megaphone.fm/adchoices

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