1. [News](/news) 2. Elliott C Dale, MD data breach: what happened and what's at risk # Elliott C Dale, MD data breach: what happened and what's at risk A data breach involving Elliott C Dale, MD was reported in April 2026. See incident details, impact on customers, and recommended security measures. UpGuard Team April 7, 2026 Table of Contents * [What happened in the Elliott C Dale, MD data breach?](#what-happened-in-the-elliott-c-dale-md-data-breach) * [Who is behind the incident?](#who-is-behind-the-incident) * [Impact and risks for Elliott C Dale, MD customers](#impact-and-risks-for-elliott-c-dale-md-customers) * [How to protect against similar security incidents](#how-to-protect-against-similar-security-incidents) ## Key facts: Elliott C Dale, MD data breach * Date occurred November 11, 2025 * Date discovered February 12, 2026 * Date reported April 6, 2026 * Target entity Elliott C Dale, MD * Source of breach Unknown, unauthorized third-party * Status Confirmed; reported on April 6, 2026. * Severity Medium; unauthorized access to internal systems resulting in data appearing on the dark web, affecting over 46,000 individuals. ## What happened in the Elliott C Dale, MD data breach? Elliott C Dale, MD (heartsouthpc.com), operating as Heart South Cardiovascular Group, reported a data breach on April 6, 2026. The incident involved an unauthorized third-party claiming to have accessed internal systems. While the specific threat actor remains unidentified, the breach has been categorized as a medium-severity event due to the volume of individuals affected and the nature of the data exposure. According to reports, the incident began on November 11, 2025. Although internal investigations initially found no evidence of direct network access or data theft, a limited amount of data belonging to the organization was subsequently discovered on the dark web. The breach was officially discovered on February 12, 2026, and is confirmed to have impacted 46,666 individuals. As with many healthcare-related incidents, this type of exposure typically carries risks of identity theft or targeted phishing campaigns aimed at patients. ## Who is behind the incident? The attacker or cause of the incident has not been identified. ## Impact and risks for Elliott C Dale, MD customers For the 46,666 individuals affected by the Heart South Cardiovascular Group breach, the primary risks include identity theft and sophisticated phishing attacks. Even if specific data types were not disclosed, the presence of healthcare-related data on the dark web can be used by malicious actors to craft convincing social engineering schemes or attempt credential stuffing attacks on other platforms. Patients should monitor their financial statements and healthcare records for any unusual activity. Recommended protective actions include enabling multi-factor authentication on all sensitive accounts and remaining vigilant against unsolicited communications. Maintaining transparency throughout the investigation process helps affected parties mitigate these potential long-term risks. ## How to protect against similar security incidents Given the nature of the Heart South Cardiovascular Group incident and the discovery of data on the dark web, affected individuals and the organization should take immediate steps to bolster their security posture. * **Monitor personal records and credit.** Regularly review medical billing statements and financial accounts for unauthorized transactions. Consider placing a fraud alert or security freeze on credit reports to prevent identity theft. * **Enhance account security with MFA.** Enable phishing-resistant multi-factor authentication (MFA) on all sensitive accounts, including email and healthcare portals. Use hardware security keys or authenticator apps rather than SMS-based codes. * **Implement continuous attack surface monitoring.** Organizations should deploy continuous monitoring tools to identify misconfigurations and exposed assets. Regularly scan for leaked credentials and data on dark web forums to identify potential breaches early. > Proactive security measures and early detection are critical in minimizing the impact of data exposure. ## Frequently asked questions ### What happened in the Elliott C Dale, MD security breach? On April 6, 2026, Elliott C Dale, MD (heartsouthpc.com) disclosed a security breach. According to initial reports, Heart South Cardiovascular Group experienced an internal system breach where an unauthorized party claimed to possess their data, affecting 46,666 individuals. ### When did the Elliott C Dale, MD breach occur? The Elliott C Dale, MD breach was publicly reported on April 6, 2026. The incident reportedly began on November 11, 2025, and was discovered by the organization on February 12, 2026. ### What data was exposed? The types of data involved in the Elliott C Dale, MD incident have not been disclosed. This page will be updated as verified information becomes available. ### Is my personal information at risk? If you interacted with Elliott C Dale, MD, there’s a possibility your personal information could be affected. Similar incidents often involve email addresses, login details, or financial records. Stay alert for updates and take precautionary measures to secure your accounts. ### What steps should companies take after being breached? Heart South Cardiovascular Group is expected to secure its systems, notify affected parties, and provide guidance on protective actions. The organization should also review its internal security measures and deploy attack surface management to prevent future incidents. ## Is your organization exposed to a similar risk? UpGuard continuously monitors vendors for exposed credentials and infrastructure risk, so you can catch the next breach before it becomes a headline. [Start your free trial](https://cyber-risk.upguard.com/register/trial) Free instant security score ## How secure is your organization? Request a free cybersecurity report to discover key risks on your website, email, network, and brand. * Instant insights you can act on immediately * Hundreds of risk factors including email security, SSL, DNS health, open ports and common vulnerabilities [Free score](https://www.upguard.com/instant-security-score?) ## Latest news Stay up-to-date with the latest news in cybersecurity. * ### [Hugging Face data breach: key facts and what we know so far](/news/hugging-face-data-breach-2026-07-20) A data breach involving Hugging Face was reported in July 2026. See incident details, impact on customers, and recommended security measures. UpGuard Team July 20, 2026 * ### [EY data breach: what happened and what's at risk](/news/ey-data-breach-2026-07-19) A data breach involving EY was reported in July 2026. See incident details, impact on customers, and recommended security measures. UpGuard Team July 17, 2026 * ### [South Florida Injury & Convenient Care data breach exposes names and Social Security numbers](/news/south-florida-injury-convenient-care-data-breach-2026-07-16) A data breach involving South Florida Injury & Convenient Care was reported in July 2026. See incident details, impact on customers, and security measures. UpGuard Team July 16, 2026 * ### [Park West Psychology data breach: what happened and what's at risk](/news/park-west-psychology-data-breach-2026-07-16) A data breach involving Park West Psychology was reported in July 2026. See incident details, impact on customers, and recommended security measures. UpGuard Team July 16, 2026 * ### [Fall River Municipal Credit Union data breach: what happened and what's at risk](/news/fall-river-municipal-credit-union-data-breach-2026-07-16) A data breach involving Fall River Municipal Credit Union was reported in July 2026. See incident details, impact on customers, and recommended security measures. UpGuard Team July 16, 2026 * ### [NPCIL data breach: World Leaks claims exposure of Kudankulam Nuclear Power Plant files](/news/npcil-data-breach-2026-07-16) A data breach involving NPCIL was reported in July 2026. See incident details, impact on customers, and recommended security measures. UpGuard Team July 16, 2026 [View all news](/news) ## Sign up for our newsletter UpGuard's monthly newsletter cuts through the noise and brings you what matters most: our breaking research, in-depth analysis of emerging threats, and actionable strategic insights.