On this week's Security Sprint, Dave and Andy covered the following topics:

Warm Open

• H2OSecCon 2026 Call for Presentations

• Critical infrastructure sectors on the most concerning threats – and needed solutions. “With critical infrastructure constantly under myriad threats, sector-focused information sharing and analysis centers and organizations collect, analyze and disseminate actionable cyber and physical threat information to stakeholders and provide them with tools to mitigate risks and enhance resiliency. To mark Cybersecurity Awareness Month, Threat Beat asked: 1) What is the most pressing short-term security concern in your sector? 2) What is one thing the public and/or industry/government can do now to address this?” Responses include DNG-ISAC, E-ISAC, FB-ISAO, Food and Ag-ISAC, Health-ISAC, MS-ISAC, ONE-ISAC, Space ISAC, and WaterISAC.

• CISA’s international, industry and academic partnerships slashed. The cuts “create a dangerous void,” said Errol Weiss, chief security officer for the Health Information Sharing and Analysis Center. “The health sector is one of the most targeted and vulnerable, and this is exactly the wrong time to be pulling back federal support.

• Kristi Noem pledged to boost the nation’s cybersecurity. She gutted it instead

• Trump Administration Cuts Cyberdefense Even as Threats Grow

• U.S. Cyberspace Solarium Commission Annual Assessment: America’s Cyber Resiliency in 2025: Lessons from the Fifth CSC 2.0 Annual Assessment & US ‘slipping’ on cybersecurity, annual Cyberspace Solarium Commission report concludes

Main Topics:

Ransomware recovery perils: 40% of paying victims still lose their data. Paying the ransom is no guarantee of a smooth or even successful recovery of data. But that isn’t even the only issue security leaders will face under fire. Preparation is key.

• UK Government: Supply chain resilience against ransomware

• JLR hack is costliest cyber attack in UK history, say analysts

Melissa becomes third Category 5 hurricane of the extraordinary 2025 season

• NHC issuing advisories for the Atlantic on Hurricane Melissa

• Key messages regarding Hurricane Melissa (en Español: Mensajes Claves)

• Melissa leaps from tropical storm to Category 4 hurricane in 18 hours

• Category 5 Hurricane Melissa’s eye is nearing Jamaica and conditions are worsening

Quick Hits:

• Palo Alto Networks: Why Threat Actors Succeed

• LA Metro digital signs taken over by hackers

• Chatbots Are Pushing Sanctioned Russian Propaganda