Fox News just reported on this.
SCARY s-—!
Who dun it?
Secret Service: “....... our protective intelligence MO......
<><>led to the discovery of more than 300 co-located SIM servers
<><>and 100,000 SIM cards across multiple sites.
<><> used by nefarious scheming parties to carry out anonymous telephonic threats,
<><>devices could conduct a wide range of telecommunications attacks
<><>including disabling cell phone towers,
<><>enabling denial of services attacks
<><>facilitating anonymous, encrypted communication
<><>enabled threat actors and criminal enterprises’ scheming activities. “