Researchers uncover serious vulnerabilities in the Signal fork reportedly used by top government officials. CISA adds a second Commvault flaw to its Known Exploited Vulnerabilities catalog. xAI exposed a private API key on GitHub for nearly two months. FortiGuard uncovers a cyber-espionage campaign targeting critical national infrastructure in the Middle East. Threat brokers advertise a new SS7 zero-day exploit on cybercrime forums. The StealC  info-stealer and malware loader gets an update. Passkeys blaze the trail to a passwordless future. On our Afternoon Cyber Tea segment with Ann Johnson, Ann speaks with Christina Morillo, Head of Information Security at the New York Giants. Cubism meets computing: the Z80 goes full Picasso.  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 GuestOn our Afternoon Cyber Tea segment with Ann Johnson, Ann speaks with Christina Morillo, Head of Information Security at New York Football Giants, as they discuss how she approaches cybersecurity with curiosity, business alignment, and strong collaboration across the NFL community. Selected Reading The Signal Clone the Trump Admin Uses Was Hacked (404 Media) Critical Commvault Vulnerability in Attacker Crosshairs (SecurityWeek) xAI Dev Leaked API Key on GitHub for Private SpaceX, Tesla & Twitter/X (Cyber Security News) FortiGuard Incident Response Team Detects Intrusion into Middle East Critical National Infrastructure (Fortinet) Hackers Selling SS7 0-Day Vulnerability on Hacker Froums for $5000 (Cyber Security News) StealC malware enhanced with stealth upgrades and data theft tools (Bleeping Computer) Sick of 15-character passwords? Microsoft is going password-less, starting now. (Mashable) Passkeys for Normal People (Troy Hunt) Single-Board Z80 Computer Draws Inspiration From Picasso (Hackaday) Share your feedback. We want to ensure that you are getting the most out of the podcast. Please take a few minutes to share your thoughts with us by completing our brief listener survey as we continually work to improve the show. Want to hear your company in the show? You too can reach the most influential leaders and operators in the industry. Here’s our media kit. Contact us at cyberwire@n2k.com to request more info. 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