Jani-King International Data Breach Investigation

The data breach lawyers at The Lyon Firm are investigating a data breach incident reported at Jani-King International which may have impacted the personal data of thousands of individuals globally. It is important to remain vigilant following a data security incident and to understand the risks moving forward. Contact an attorney to discuss how to protect yourself and to discuss possible legal action.

What Happened at Jani-King?

Jani-King International recently reported that it had experienced a data breach that may have impacted individuals connected to its operations. The IT security incident occurred between November 26, 2024, and December 21, 2024, when an unauthorized third party allegedly gained access to the company network. An investigation concluded that the hacker was able to access and copy files containing sensitive personal information. The compromised files may have included personally identifiable information (PII) such as names, addresses, and Social Security numbers.

The impact of the breach is not entirely clear at the moment; however, we do know it is widespread and was officially reported to the Texas Attorney General’s office, the Massachusetts Attorney General’s office, the California Attorney General’s office, and the New Hampshire Attorney General’s office. The company started mailing notification letters to all affected individuals on April 16, 2025, which should provide victims with more details.

Jani-King is a large commercial cleaning company operating out of Addison, Texas. The company offers disinfecting, green cleaning, janitorial services, carpet cleaning, deep cleaning, high dusting, post construction cleaning, pressure washing, stripping and waxing, upholstery cleaning, and window cleaning in several industries, including automotive, hospitality, industrial, offices, restaurants, retail, education, fitness, government, and healthcare.