Another Hack: Jimmy John's Is the Latest Chain to Suffer a Data BreachApproximately 216 Jimmy John's stores have been affected in the latest of a growing number of hacking incidents.

ByKate Taylor

Opinions expressed by Entrepreneur contributors are their own.

After weeks and months of high-profile data breaches, another one has emerged: this time, at Jimmy John's.

The sandwich franchiseannounced on Wednesdaythat customers' credit and debit card data was compromised after an intruder store stole log-in credentials from the chain's payments-system vendor. The hacker then used the stolen credentials to access point-of-sale systems at approximately 216 stores.

Both corporate and franchised locations were affected by the data breach, which lasted from June 16 to September 5. Jimmy John's hasassembled a list商店受到了影响,在what periods of time.

Related:Why Uncovering a Network Security Breach Can Take Weeks or Months

链式报告违反已被骗tained, and that it is currently safe to use credit and debit cards in Jimmy John's stores.

Jimmy John's says that it has already taken steps to prevent future security breaches, including installing encrypted swipe machines, updating systems and reviewing its policies and procedures for third party vendors. The company is additionally offering affected customers identity protection services.

Jimmy John's joins an extensive list of chains hacked in 2014. Earlier in September,Home Depotreported 56 million credit and debit cards were put at risk in a cyberattack on its payment terminals. Other chains hit by hackers this year include Neiman Marcus, P.F. Chang's and Michaels. Jimmy John's has not indicated that its data breach is connected to incidents at other companies.

Related:Home Depot Reports Bigger Breach Than Target; Criminals Used Custom Malware

Wavy Line
Kate Taylor

Reporter

Kate Taylor is a reporter at Business Insider. She was previously a reporter at Entrepreneur. Get in touch with tips and feedback on Twitter at @Kate_H_Taylor.

Editor's Pick

Related Topics

Business News

What Is a 'Lazy Girl Job'? New TikTok Trend Empowers Women to Work However They Want

The trend began as a way for women to find more free time during their days.

Business Process

The Strategy You Need to Make Sure Your Company Can Keep Up in Today's Business World

Discover a superior alternative to a traditional business strategy that prioritizes adaptability, innovation and speed in execution, explores its benefits for entrepreneurs, see real-world scenarios and learn core principles and rules to propel organizations forward with clarity, simplicity and action.

Thought Leaders

I Pitched 300 People a Day For 1 Year — and Learned This Impactful Entrepreneurial Lesson

After working myself to the bone pitching 300 people each day for one year, I came out of that experience as a new man — but surprisingly, an unhappier one. Here's what I learned.

Business Ideas

The Top 10 Home Business Ideas for 2023

Can't figure out which enterprise you should launch in 2023? Check out 10 stellar home business ideas to get inspiration.

Growing a Business

3 Solutions That Help Alleviate Everyday Pressures Small Business Owners Face

We live in a world with increasing pressures from stakeholders, constantly changing customer expectations and volatile financial conditions — which for many, especially business owners — can make it hard to create clear distinctions between professional and personal emotions.