Your FBI: Cyber - Business Defense
Why It Matters
By adopting the FBI’s guidance, organizations can close the most exploited attack surface, lowering the risk of costly ransomware and nation‑state intrusions while strengthening national critical‑infrastructure resilience.
Key Takeaways
- •FBI's Operation Winter SHIELD offers ten resilience best practices.
- •Inventory and retire end‑of‑life internet‑facing devices promptly within organizations.
- •Prioritize vulnerability management for routers, switches, and OT systems.
- •Engage local FBI field offices for actionable threat intelligence sharing.
- •Nation‑state actors weaponize known CVEs faster than zero‑days.
Summary
Operation Winter SHIELD is the FBI Cyber Division’s 60‑day nationwide campaign aimed at translating law‑enforcement lessons into ten concrete steps that businesses can use to harden their networks.
Agents highlighted three core controls: comprehensive inventory of internet‑facing assets, timely retirement of end‑of‑life devices, and a robust vulnerability‑management program that prioritizes routers, switches, firewalls and operational‑technology (OT) equipment. The FBI notes that most breaches exploit these perimeter layers, especially when devices lack patches.
Leaders cited past operations—Cyclops Blink, Dying Ember, Volt Typhoon, Salt Typhoon, and Flax Typhoon—as examples of nation‑state actors weaponizing publicly disclosed CVEs within hours. They also described the IC3 portal as the first point of contact for victims and emphasized ongoing WebEx briefings with private‑sector partners.
For CEOs and CISOs, the message is clear: partner with local FBI field offices, maintain up‑to‑date asset inventories, and allocate budget for replacing legacy hardware before it becomes a breach vector. Doing so reduces remediation costs and limits the strategic advantage of adversaries.
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