The U.S. federal government’s court filing system has experienced a breach. The incident, highlighted by Politico, might have compromised the identities of court informants along with other sensitive details like arrest warrants. It is thought to have affected the government’s Case Management/Electronic Case Files (CM/ECF), a platform utilized by legal experts for document uploads. Moreover, PACER, a publicly accessible database holding some of this data, may have also been impacted.

Politico reported that chief judges from federal courts in various states participated in a briefing about the breach last week in Kansas City. The identity of the attackers is still unknown, but sources from Politico suggested the involvement of foreign state actors. A separate system intended to safeguard the identities of high-ranking federal court witnesses was reportedly not breached.

It might be necessary for the government to improve its security protocols.