In this week's Security Sprint, Dave and Andy covered the following topics:
Opening:
• Tribal-ISAC and WaterISAC events!
• Check out our newest webpage and our new blog post, kicking off this new Gate 15 blog series!
• AI Threat Landscape: Fact vs. Fiction As We Start 2026
• AI Threats Resilience, a new Gate 15 service page outlines a suite of AI threat informed workshops and tabletop exercises designed to help organizations understand AI driven risks, clarify ownership of AI exposure and rehearse response to AI enabled incidents.
• TLP: CLEAR – WaterISAC Top Actions to Enhance Your Utility’s Cybersecurity
• (TLP:CLEAR) WaterISAC – TOP ACTIONS to Enhance Your Utility’s Physical Security
• Cyber Incident Reporting for Critical Infrastructure Act of 2022 (CIRCIA) – Cybersecurity and Infrastructure Security Agency – 18 Feb 2026: CISA posted an update stating that due to a lapse in DHS appropriations it may be unable to hold scheduled CIRCIA Town Halls and will not conduct meetings during any lapse in appropriations.
Main Topics:
Cyber Resilience: An Incident Doesn’t Have to Be a Crisis Binary Defense, 19 Feb 2026. This blog reframes security operations around limiting business impact instead of chasing security perfection, noting that incidents are inevitable in complex enterprises and that the true differentiator is whether they escalate into crises.
• The ENISA Cybersecurity Exercise Methodology ENISA | 16 Feb 2026 & ENISA publishes Cybersecurity Exercise Methodology to guide and standardize EU cybersecurity exercises)
• Information Sharing – U.S. Legal and Regulatory Guidance – Health ISAC – 18 Feb 2026
• Businesses urged to ‘lock the door’ on cyber criminals as new government campaign launches – UK Government, 19 Feb 2026
Violence & Extremism
• Man Targets DHS Building With Stolen Ambulance In Attempted Arson Attack Source: The Daily Wire, 19 Feb 2026
• Armed man shot and killed after "unauthorized entry" into Mar-a-Lago perimeter, Secret Service says — CBS News, 22 Feb 2026
• Mar-a-Lago Gunman Was Reportedly ‘Fixated’ on Epstein Files and Believed There Was a Trump Government Cover-Up
• USCP Officers Stop & Arrest Man with Loaded Shotgun Outside the U.S. Capitol — United States Capitol Police — 17 Feb 2026
• FBI Albany, in Coordination with Nevada and New York Law Enforcement Partners, Investigating Vehicle Ramming at Electrical Substation in Nevada — FBI, 20 Feb 2026
Quick Hits:
• Launched: 9th Annual Dragos OT Cybersecurity Year in Review Dragos — 17 Feb 2026
• Significant Rise in Ransomware Attacks Targeting Industrial Organizations)
• 3 Threat Groups Started Targeting ICS/OT in 2025: Dragos
• CISA: Recently patched RoundCube flaws now exploited in attacks — BleepingComputer, 23 Feb 2026
• CISA Adds Two Known Exploited Vulnerabilities to Catalog (RoundCube)
• Government of Canada Alerts & Advisories: Roundcube security advisory (AV25-309) - Update 1
• CISA: BeyondTrust RCE flaw now exploited in ransomware attacks — Bleeping Computer, 20 Feb 2026
• 90% of Ransomware Incidents Exploit Firewalls
• Ransomware Groups Shift Targets Mid-Sized Businesses Enterprise Defenses Harden, Research Shows
• Searchlight Cyber Report: Ransomware Groups Claimed Record Number of Victims in 2025 with 30% Annual Increase — Searchlight Cyber — 17 Feb 2026
• Securin 2025 Ransomware Report Finds AI Accelerating, Not Replacing, Human-Led Attacks
• Record Number of Ransomware Victims and Groups in 2025
• Arctic Wolf Threat Report Highlights 11x Growth in Data Extortion Incidents and Continued Dominance of Ransomware Arctic Wolf | 17 Feb 2026
• 2026 Unit 42 Global Incident Response Report — Attacks Now 4x Faster Palo Alto Networks | 17 Feb 2026
• Blizzard slams Northeast with heavy snow and powerful winds
• East Coast Blizzard Halts Travel, Cancels 8,000 Flights
• El Nino is brewing: Here's what it means for U.S. weather in 2026