Wynn Resorts: Wynn Resorts data breach impacts over 21,000 employees following HR system attack

Wynn Resorts Suffers Data Breach Impacting Over 21,000 Employees

Luxury hospitality and gaming operator Wynn Resorts has reported a data breach compromising the personal information of 21,775 employees after a cyberattack on its internal systems in October 2025. The incident targeted the company’s HR systems, exposing sensitive employee data.

The breach was disclosed following an investigation into the attack, though specific details about the threat actors or the exact nature of the compromised data remain undisclosed. Wynn Resorts, headquartered in Las Vegas, Nevada, operates high-profile resorts and casinos globally, making it a notable target for cybercriminals.

The incident underscores the growing risk of cyber threats to large enterprises, particularly those handling extensive employee and customer data. No further details on remediation efforts or potential regulatory implications have been released.

Source: https://www.teiss.co.uk/news/wynn-resorts-data-breach-impacts-over-21000-employees-following-hr-system-attack-17321

Wynn Resorts cybersecurity rating report: https://www.rankiteo.com/company/wynnresorts

"id": "WYN1775566419",
"linkid": "wynnresorts",
"type": "Breach",
"date": "10/2025",
"severity": "60",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"

{'affected_entities': [{'customers_affected': '21,775 employees',
                        'industry': 'Hospitality and Gaming',
                        'location': 'Las Vegas, Nevada',
                        'name': 'Wynn Resorts',
                        'type': 'Company'}],
 'data_breach': {'number_of_records_exposed': '21,775',
                 'sensitivity_of_data': 'Sensitive employee data',
                 'type_of_data_compromised': 'Personal information'},
 'date_detected': '2025-10',
 'description': 'Luxury hospitality and gaming operator Wynn Resorts has '
                'reported a data breach compromising the personal information '
                'of 21,775 employees after a cyberattack on its internal '
                'systems in October 2025. The incident targeted the company’s '
                'HR systems, exposing sensitive employee data.',
 'impact': {'data_compromised': 'Personal information of employees',
            'systems_affected': 'HR systems'},
 'investigation_status': 'Ongoing',
 'title': 'Wynn Resorts Suffers Data Breach Impacting Over 21,000 Employees',
 'type': 'Data Breach'}