Cybersecurity experts told lawmakers on Wednesday that the recent Salt Typhoon hacks should serve as a “wake-up call,” while urging them to focus on bigger, looming cybersecurity threats such as AI and quantum. […]

Democratic leaders on the House Oversight and Reform Committee are launching their own investigation into the use of the Signal communications app by high-ranking Trump administration officials and are putting those officials on notice to preserve a long list of records that may be requested as part of the committee’s work. […]