The U.S. National Security Agency on Tuesday said a foreign hacking group named APT5, which is known as being Chinese, had been caught exploiting a vulnerability inside networking gear from U.S. technology company Citrix to spy on victims, according to a government cybersecurity advisory. The alert requested that victims who discover additional evidence reach out to the NSA's Cybersecurity Collaboration Center, a unique division of the spy agency opened in 2021 with the mission of public-private sector collaboration. Citrix in a blog post said it was "aware of a small number of targeted attacks in the wild using this vulnerability."…