May 13, 2026

Capitol Hill is facing a new kind of vulnerability, not from political opponents but from cyber intruders. This week, members of Congress were notified about a data breach at the congressional medical office that has potentially exposed sensitive personal information, including their prescription histories.
The breach occurred on March 1 and 3 and was targeted at RXNT, a medical software provider that the Office of the Attending Physician uses to manage healthcare services for Congress members. The incident was first reported by POLITICO, which reviewed the notification letters sent to the affected individuals.
Brian Monahan, the Capitol’s attending physician, has taken the initiative to personally inform staff and lawmakers whose information might have been compromised. In a distressing revelation, the compromised data includes not only names, birthdays, and addresses but also detailed prescription information, which could reveal sensitive health details about some of the nation’s top legislators.
The software at the heart of the breach is designed to securely transmit prescription data to pharmacies. However, this incident has highlighted potential vulnerabilities in the system that could have wide-reaching implications. The breach was reported to the attending physician’s office on the last day permissible under federal health privacy laws, raising concerns about the timeliness of the notification process and the thoroughness of the subsequent review.
The source of the breach, whether foreign or domestic, remains unidentified, leaving troubling uncertainties about where and how the information might be used. Although critical data such as financial details, insurance information, and Social Security numbers were reportedly not affected, the breach still poses a significant risk by exposing health-related information.
Despite the breach, patient records maintained directly by the Office of the Attending Physician, which are not shared with RXNT, remain secure and are not stored on cloud-based servers, ensuring a higher level of protection for the most sensitive health data of the lawmakers.
The Office of the Attending Physician, which operates several small clinics on the Capitol campus staffed by Navy medical personnel, continues to provide essential health services, ranging from emergency care to routine vaccinations. The office ensures minimal information is shared externally, only what is necessary to process prescription services.
This breach has underscored the ongoing challenges and the critical importance of cybersecurity measures in protecting personal information, even at the highest levels of government. As investigations continue, Capitol Hill is reminded once again of the sophisticated and ever-evolving nature of cyber threats in today’s interconnected world.