WASHINGTON (Reuters) - The U.S. House of Representatives’ Oversight and Homeland Security Committees will hold a joint hearing on Friday on cybersecurity incidents including the attack targeting SolarWinds Orion Software, it said in a statement. Top executives from SolarWinds Corp, FireEye Inc and Microsoft Corp will testify at the hearing, the committee said on Monday. Reporting by Makini Brice; editing by Susan Heavey