Cyberattack on River Region Cardiology Affects Up to 500,000 Individuals. Cyberattacks have been reported by River Region Cardiology in Alabama and Delta County Memorial Hospital District in Colorado. Lucent Health Solutions in Cyberattacks have been reported by River Region Cardiology in Alabama and Delta County Memorial Hospital District in Colorado that involved unauthorized access to 500K and 148K records respectively. Lucent Health Solutions in Tennessee has notified individuals about an October 2, 2023 phishing attack.