[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3dqq2vixtxmz8":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":7,"domain":9,"breachDate":10,"addedDate":11,"publishedAt":12,"modifiedDate":13,"contentUpdatedAt":14,"source":15,"sourceUrl":16,"sourceUrls":17,"pwnCount":18,"affectedCount":18,"affectedCountStatus":19,"affectedCountLowerBound":12,"affectedCountUnit":20,"hasEnglishDescription":4,"contentLocale":21,"availableLocales":22,"translations":24,"severity":27,"dataClasses":28,"description":32,"seoTitle":33,"seoDescription":34,"logoUrl":35,"isVerified":4,"isSensitive":36,"isSpamList":36,"isMalware":36,"company":37},"6a452308a20f867c8ba8e75f","zenbusiness","ZenBusiness Data Breach","zenbusiness.com","2026-03-27T00:00:00.000Z","2026-05-02T05:53:38.000Z",null,"2026-07-02T04:54:07.116Z","2026-07-19T00:03:11.715Z","Third party breach","",[],5118184,"known","unknown","en",[21,23],"tr",{"en":25,"tr":26},{"slug":7},{"slug":7},"Critical",[29,30,31],"Email addresses","Names","Phone numbers","\u003Cp>The ZenBusiness data breach is a high-risk business services leak in March 2026 that affected approximately 5,118,184 unique email addresses as a result of the exposure of customer data related to business formation and compliance services. Since the record contains context about company formation, legal compliance, and customer communication, the risk is not limited to spam emails. The combined visibility of name, email, and phone information can make scenarios such as fake company renewals, tax notices, compliance documents, or customer support fraud more convincing.\u003C\u002Fp> \u003Ch2>Leaking Data Types and Risks\u003C\u002Fh2> \u003Cp>The data fields verified in the record are email addresses, full name information, and phone numbers. Passwords, physical addresses, payment cards, tax numbers, company documents, or identity documents are not included among the verified data classes, and therefore are not included in the disclosure. Despite this limitation, the disclosure of contact information for business owners and company representatives is important, as targeted social engineering messages could be crafted using corporate roles and service context.\u003C\u002Fp> \u003Ch2>Business Establishment and Compliance Context\u003C\u002Fh2> \u003Cp>The primary risk for ZenBusiness users is fake official transaction and service renewal messages. Attackers may use topics such as business formation, annual reports, compliance tracking, registration renewal, payment notifications, or support requests to prompt users to click a link or provide additional information. The presence of a real name, email, or phone number in the message is not proof of trustworthiness. Users should access the official website directly or verify through a known customer service channel before taking any action.\u003C\u002Fp> \u003Ch2>Business Fraud Through Phone and Name\u003C\u002Fh2> \u003Cp>Since this record does not contain a password, the direct account takeover risk is more limited compared to password leaks; however, the same email address may have matched with a password in other data breaches. Business owners should protect their email accounts, accounting tools, domain name registrations, payment services, and customer management accounts with strong, unique passwords. Two-factor authentication should be enabled, unrecognized sessions should be closed, and account recovery information should be updated.\u003C\u002Fp> \u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2> \u003Cp>Since the phone number is available, the risk of fake calls and SMS should also be considered. Users should be cautious of verification code, payment, password, or document requests from individuals claiming to be from official institutions, registration renewal services, or payment providers. In cases where business information may be publicly available, attackers can combine the real company name and personal contact information to exert pressure. Messages that create a sense of urgency or contain threats of penalties or closure should not be acted upon without verification through official channels.\u003C\u002Fp> \u003Ch2>Security Lessons for Institutions\u003C\u002Fh2> \u003Cp>ZenBusiness registration for institutions and small businesses indicates that contact information shared with external service providers could be used in fraud campaigns. Business owners should review access permissions for accounting, banking, domain, email, and official registration accounts. Employees should be instructed on how to verify fake requests themed around company formation or compliance documents. Customer support teams should also be prepared for fraudulent representative and fake payment requests that may increase after a breach.\u003C\u002Fp> \u003Ch2>Necessary Precautions\u003C\u002Fh2> \u003Cp>The ZenBusiness data leak is a record that does not contain passwords or payment information but poses a targeted social engineering risk due to its business context. Affected users should verify official transaction messages, be cautious of requests via email and phone, and use strong security measures on critical accounts linked to the business. The most accurate approach is to regard this record as a risk of fraudulent transaction scams targeting small business and entrepreneur owners.\u003C\u002Fp> \u003Cp>A separate issue that business owners should pay attention to in ZenBusiness registration is that personal and corporate contact information often merges into the same email account. If an entrepreneur uses the same address for banking, domain, accounting, payment, and official registration transactions, a fake compliance notification may appear as if it is a real business process. Therefore, affected users should check not only the customer account but also the sessions and authorized users in critical services associated with the business. The authority transfer, invoice approval, and payment request processes should not be left dependent on the approval of a single person's email.\u003C\u002Fp> \u003Cp>For this record, no claims of a password, tax number, or payment card have been established in the description; because the verified data fields are limited to name, email, and phone. Nevertheless, these fields provide strong targeting in a business context. Users need to directly verify official transaction messages, confirm payment requests received via phone through a second channel, and use two-factor authentication on their email account. The safest approach for small businesses is to use a separate verification step for each financial or official request.\u003C\u002Fp>","ZenBusiness Data Breach (5.1 Million Reported Records)","ZenBusiness Data Breach. 5.1 Million reported records are reported. Reported data: Email addresses, Names, Phone numbers. Review the scope, risks, and…","\u002Fuploads\u002Flogo\u002Fzenbusiness_com.webp",false,{"name":38,"sector":39,"country":40,"website":9,"websiteArchiveUrl":16,"websiteStatus":16,"websiteCheckedAt":12},"ZenBusiness","Business Services","United States"]