[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2w3yiemsdnxh9":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":9,"domain":10,"breachDate":11,"addedDate":12,"modifiedDate":12,"contentUpdatedAt":13,"source":14,"sourceUrl":15,"sourceUrls":16,"pwnCount":19,"affectedCount":19,"affectedCountStatus":20,"affectedCountLowerBound":21,"affectedCountUnit":22,"hasEnglishDescription":4,"severity":23,"dataClasses":24,"description":32,"seoTitle":33,"seoTitleEn":34,"seoDescription":33,"seoDescriptionEn":35,"logoUrl":36,"isVerified":4,"isSensitive":37,"isSpamList":37,"isMalware":37,"company":38},"68e3266eda11adda48825172","DataAndLeads","Data & Leads Data Breach","data-leads","datanleads.com","2018-11-14T00:00:00.000Z","2018-11-28T19:32:19.000Z","2026-07-18T23:49:16.317Z","Verified breach record","https:\u002F\u002Fhackenproof.com\u002Fblog\u002Fnew-data-breach-exposes-57-million-records",[15,17,18],"https:\u002F\u002Fweb.archive.org\u002Fweb\u002F20180925092401\u002Fhttps:\u002F\u002Fwww.datanleads.com\u002F","https:\u002F\u002Fblog.avast.com\u002Fbiggest-data-breaches",44320330,"known",null,"unknown","Critical",[25,26,27,28,29,30,31],"Email addresses","Employers","IP addresses","Job titles","Names","Phone numbers","Physical addresses","\u003Cp>The Data & Leads data breach is related to a marketing and lead database that was found exposed in November 2018. Investigations revealed that the data set was associated with the Data & Leads brand. The verified scope is 44,320,330 unique email addresses. The record contains not only email addresses but also employer information, IP addresses, job titles, names, phone numbers, and physical addresses. This incident is not a direct password leak; however, the extensive exposure of professional contact and location data increases the risk of spam, targeted sales messages, phishing, identity profiling, and social engineering. Therefore, the record should be assessed in terms of personal and professional identity visibility, as much as account takeover.\u003C\u002Fp>\n\u003Ch2>Leaked Data Types and Risks\u003C\u002Fh2>\n\u003Cp>The types of data verified in the Data & Leads record are email addresses, employers, IP addresses, job titles, names, phone numbers, and physical addresses. This combination reveals not only a person's contact address but also their work context and accessibility. An attacker or malicious marketing network can combine a name, company, job title, and email address to craft messages that appear personalized. Phone and physical address information can also make fraud attempts more convincing. IP addresses, on the other hand, can provide additional clues about past connection context, region, or network provider.\u003C\u002Fp>\n\u003Cp>There is no password field in the Data & Leads breach. This distinction is important because the user should not be directly given a message that their account password has been compromised. Nevertheless, fields such as work email, phone number, and job title make it easier for an attacker to reach the person. Individuals in roles such as management, sales, finance, human resources, procurement, or technical decision-making may be more susceptible to attacks like fake offers, payment redirection, invoice changes, meeting invitations, or partner impersonation. Therefore, the risk should be based more on communication security and social engineering awareness than on password changes.\u003C\u002Fp>\n\u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2>\n\u003Cp>The Data & Leads breach is based on 44,320,330 unique email addresses. News reports related to the incident may mention higher raw registration numbers; however, the raw row count does not mean the number of unique people or unique emails. The same person may appear in multiple data rows, some records may be incomplete, and some professional information may be outdated. Therefore, the number shown to the user represents verified unique email coverage. The fact that the dataset is related to marketing and lead generation contexts also indicates that the information in the content may have been compiled from different sources.\u003C\u002Fp>\n\u003Cp>The data field boundary should also be kept clear. In the Data & Leads record, passwords and highly sensitive financial or medical content are not among the verified fields. The presence of a person's job title or employer information does not mean that the company's systems have been compromised. Similarly, the physical address field may not mean a home address for everyone; it could be a business address, office address, or another type of address maintained in a marketing list. Therefore, the text should not claim that the fields are equally complete and up-to-date for every individual while explicitly listing the verified fields.\u003C\u002Fp>\n\u003Ch2>User Groups at Risk\u003C\u002Fh2>\n\u003Cp>The group at highest risk consists of professionals whose work email and direct contact information are included in this dataset. Sales teams, managers, business owners, consultants, recruitment teams, finance employees, and technical decision-makers can be particularly targeted. When the attacker knows the person's company and title, they can create a more convincing scenario. For example, they may generate messages that appear to be a new customer request, business partnership, invoice correction, meeting link, proposal file, or human resources correspondence. These types of attacks can misdirect the user to a malicious link or compel them to provide new information, regardless of passwords.\u003C\u002Fp>\n\u003Cp>Small businesses and independent professionals should also be cautious. If a personal phone number or address is mixed with business communication, the attack surface increases. For these individuals, since business and personal accounts are usually managed through the same email or phone, a leak originating from a marketing list can turn into broader identity profiling. The risk for email addresses associated with corporate domain names is not only individual; attackers can match multiple people from the same company to map the organizational chart and prepare more targeted messaging campaigns.\u003C\u002Fp>\n\u003Ch2>Urgent Measures to Be Taken\u003C\u002Fh2>\n\u003Cp>Users whose Data & Leads match should primarily examine incoming job offers, file sharing invitations, invoice notifications, meeting links, and account update messages more carefully. Links in messages should not be opened directly, and pages requesting file downloads or logins should be verified through a separate channel. For requests received via phone, the identity of the caller should be confirmed through a known institution number or a previously verified communication channel. Messages crafted using employer or job title information may seem realistic; therefore, just having correct personal details does not make the message trustworthy.\u003C\u002Fp>\n\u003Cp>Users should also review business email security. Although the password is not part of the Data & Leads breach, the risk may increase if the business email has been used in other leaks. Therefore, unique passwords and multi-factor authentication should be used for critical accounts. Forwarding rules, unknown sessions, and recovery options in the email account should be checked. On the institutional side, sales, finance, and management teams should be notified that targeted messages linked to Data & Leads could arrive. Especially for requests such as payment redirection and changes in supplier information, a second approval process should be implemented.\u003C\u002Fp>\n\u003Ch2>Long-Term Security Strategies\u003C\u002Fh2>\n\u003Cp>The Data & Leads incident shows that marketing and lead data sets should not be underestimated in terms of personal security. Professionals should regularly review where they share business contact information, unsubscribe from unnecessary newsletters and data provider records, and be careful when adding personal phone and address information to work-related forms. Companies should also avoid spreading employee email addresses and direct phone numbers excessively on open sources. In cases where contact information is inevitably visible, fraud verification processes should be strengthened.\u003C\u002Fp>\n\u003Cp>The lesson to be learned for companies that process data is that marketing lists are also personal data that must be protected. The fact that a list does not contain passwords or payment information does not make it low risk. The combination of email, phone, employer, title, and address holds high value for targeted social engineering. Therefore, databases should be protected with access control, authentication, network restrictions, logging, and principles of not storing unnecessary data. Institutions working with third-party data providers should regularly audit which data is stored where and for how long.\u003C\u002Fp>\n\u003Ch2>Record Control and User Action\u003C\u002Fh2>\n\u003Cp>If the verification result on this page matches the Data & Leads record, the user's email address may have been included in professional contact or marketing data. The first step is to apply stricter verification to work-related messages sent to this email address. Even if the person receives a message that correctly knows their employer, title, or phone number, they should confirm the authenticity of the request through a separate channel before clicking on any link or opening a file. Since phone and address information could also be part of the leak, unexpected calls and physical mail notifications should be carefully assessed.\u003C\u002Fp>\n\u003Cp>Since this breach did not contain passwords, simply changing the password is not sufficient action. The main goal is to reduce the risk of identity profiling and communication-based fraud. The user should strengthen work email security, use additional verification on important accounts, share suspicious messages with the organization's security team, and develop a habit of double-checking payment or document requests. Organizations, on the other hand, should monitor affected domains and provide short and clear warnings to employees about targeted attack scenarios.\u003C\u002Fp>","","Data & Leads Data Breach (44.3 Million Reported Records)","Data & Leads Data Breach. 44.3 Million reported records were reported. Reported data: Email addresses, Employers, IP addresses. Review the scope, risks, and…","\u002Fuploads\u002Flogo\u002Fdatanleads_com.webp",false,{"name":39,"sector":40,"country":41,"website":10,"websiteArchiveUrl":33,"websiteStatus":33,"websiteCheckedAt":21},"Data & Leads","Marketing data and lead generation","Canada"]