SpaceX began requiring verification of Starlink terminals on Feb. 4, blocking unverified Russian units from accessing its services. Almost immediately, Ukrainian eavesdroppers heard Russian soldiers complaining about the failure of "Kosmos" and "Sinka" - apparently code names for Starlink satellite internet and the messaging service Telegram.
SpaceX has taken steps to block unauthorized use of its Starlink satellite internet network, a move Ukrainian officials stated is already disrupting Russian military communications. Russian units lose a key communications tool As per a report from The Guardian, Ukrainian defense officials have confirmed that Starlink terminals believed to be used by Russian troops were recently disabled after coordination with SpaceX. The move reportedly affected frontline communications and drone operations, especially in areas where traditional military radios are unreliable or easily jammed.