| The Federal Bureau of Investigation (FBI), National Security Agency (NSA), US Cyber Command, and international partners are releasing this Joint Cybersecurity Advisory to warn of Russian state-sponsored cyber actors’ use of compromised Ubiquiti EdgeRouters to facilitate malicious cyber operations worldwide. |
| The FBI, NSA, US Cyber Command, and international partners assess the Russian General Staff Main Intelligence Directorate (GRU), 85th Main Special Service Center (GTsSS), also known as APT28, Fancy Bear, and Forest Blizzard (Strontium), have used compromised EdgeRouters globally to harvest credentials, collect NTLMv2 digests, proxy network traffic, and host spearphishing landing pages and custom tools. |
| The US Department of Justice, including the FBI, and international partners recently disrupted a GRU botnet consisting of such routers. However, owners of relevant devices should take the remedial actions described in the advisory to ensure the long-term success of the disruption effort and to identify and remediate any similar compromises. |