From the Summary: "This joint CSA [Cybersecurity Advisory] was updated to include indicators of compromise and the United States Secret Service as a co-author. [...] Conti cyber threat actors remain active and reported Conti ransomware attacks against U.S. and international organizations have risen to more than 1000. Notable attack vectors include Trickbot and Cobalt Strike. While there are no specific or credible cyber threats to the U.S. homeland at this time, CISA [Cybersecurity & Infrastructure Security Agency], FBI, NSA [National Security Agency], and the United States Secret Service (USSS) encourage organizations to review this advisory and apply the recommended mitigations."
Joint Cybersecurity Advisory AA21-265A
U.S. Department of Defense: https://www.defense.gov/