ATLANTA — A cyberattack that hit government systems in Fulton County, Georgia, over the weekend affected the offices of the district attorney who is prosecuting former President Donald Trump on election interference charges, local officials said Monday.

All desktop phones, intranet and devices using county servers are down for all departments, including District Attorney Fani Willis’ office, said a county official with knowledge of the situation.

County employees received an email notification about the outage Monday, the official said.

Fulton County Board of Commissioners Chairman Robb Pitts confirmed at a news briefing Monday afternoon that the outage, which he said affected the county’s phones, courts and tax systems, “was a result of a cybersecurity incident” and that law enforcement was investigating.

“We do not yet have a specific time frame for when these systems will be restored,” Pitts said.

“At this time, we are not aware of any transfer of sensitive information about citizens or employees, but we will continue to look carefully at this issue,” he added.

A spokesperson for Willis’ office declined to comment on the cyberattack.

The case involving Trump and his co-defendants has several coming deadlines for filings, including one this week for Willis, who is expected to respond to allegations that she had an improper relationship with the special prosecutor involved in the election case.