#iRhythm
All CosmicBytez Labs articles tagged #iRhythm, across news, security advisories, how-to guides, and projects.
- News
HHS Filing Puts iRhythm Data Breach Toll at 8.2 Million
iRhythm's June breach affected 8,179,772 people, per the HHS portal. Hackers took patient and device data from third-party-hosted business applications.
- News
iRhythm Breach Notifications Reveal At Least 360,000 Patients Affected
iRhythm has begun formally notifying states about its June 2026 breach, confirming at least 360,000 patients affected in Texas and South Carolina alone.
- Newsletter
June 17 Digest: Teams C2 Evasion, Copilot Data Theft, iRhythm Breach, cPanel KEV
DragonForce hides C2 inside Microsoft Teams relay traffic; a SearchLeak attack weaponizes M365 Copilot for one-click data exfiltration; iRhythm confirms...
- News
iRhythm Confirms Patient Data Stolen in Ransomware Attack
Digital health company iRhythm has confirmed that attackers stole data in a cyber intrusion discovered on June 8, 2026, with the threat actors demanding a...
- News
iRhythm Discloses Data Breach, Hackers Stole Patient Information
Digital cardiac monitoring company iRhythm Holdings has disclosed a data breach in which hackers stole patients' personal and health information from...