5 Nations Alert: Critical Cisco Bug Used in Global Espionage Campaign

Back Techrepublic

5 Nations Alert: Critical Cisco Bug Used in Global Espionage Campaign

Techrepublic •Joseph Ofonagoro • February 27, 2026

Share: View original

Hackers exploited a critical Cisco SD-WAN flaw, prompting a rare joint warning from the US, UK, Australia, Canada, and New Zealand.

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Five Eyes Nations Warn of Exploited Cisco SD-WAN Vulnerability A critical flaw in Cisco's SD-WAN has been exploited in a global espionage campaign, prompting a joint alert from the US, UK, Australia, Canada, and New Zealand. Experts indicate that the exploitation of this vulnerability has been ongoing since 2023, raising significant concerns about cybersecurity across these nations. 2 sources 59

Extracted Entities

Platforms (1)