The U.S. cybersecurity agency's acting director Madhu Gottumukkala will be replaced, after a year of cuts, layoffs, and staff reassignments, and allegations of security lapses and claims he struggled to lead the agency.

The U.S. government and its allies said hackers have been exploiting the newly identified bug in Cisco networking gear around the world for years, and urged organizations to patch.

Under the first year of the Trump administration, the U.S. cyber agency CISA has faced cuts, layoffs, and furloughs, as bipartisan lawmakers and cybersecurity industry sources say the agency is unprepared to handle a crisis.