[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5tpend3vbt1k":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":31,"seoTitle":32,"seoDescription":33,"logoUrl":34,"isVerified":35,"isSensitive":35,"isSpamList":35,"isMalware":35,"company":36},"6a45ac34bac8984568ce5f47","smarthem","SmartHem Alleged Data Exposure","smarthem.se","2018-04-01T00:00:00.000Z","2026-07-02T00:09:24.614Z",null,"2026-09-17T16:27:41.515Z","2026-07-19T00:07:00.639Z","Third party breach","https:\u002F\u002Fheroic.com\u002Fdarkhive-breaches\u002Fsmarthem-breach\u002F",[16],53971,"known","email_identifiers","en",[21,23],"tr",{"en":25,"tr":26},{"slug":7},{"slug":7},"Medium",[29,30],"Email addresses","Passwords","\u003Cp>The SmartHem data breach is a security incident associated with the domain smarthem.se, examined within the scope of home products and the e-commerce platform, and dating back to April 2018. This record was added because it is supported as a single incident affecting 53,971 accounts in openly verifiable records. The record only retained the fields of email addresses and plain text passwords; unsupported data types were left out to avoid misleading users.\u003C\u002Fp>\n\u003Ch2>Leaking Data Types and Risks\u003C\u002Fh2>\n\u003Cp>Before opening a SmartHem record, matches in the existing records regarding the title, domain name, similar brand name, incident date, and number of records were checked. Since no record representing the same incident was found, it was kept as a separate record. Records with similar names but different domains or different incidents were excluded from this decision.\u003C\u002Fp>\n\u003Cp>Small differences may be seen between the number of records in the target lists and the number of details that can be verified. This could be due to differences in raw rows, unique accounts, duplicate emails, cleaned records, or repackaged data sets. On this page, the value of 53,971, which is consistently supported along with the data types, was taken as the basis, not the highest number seen.\u003C\u002Fp>\n\u003Cp>The SmartHem context is important because users who shop for home products and consumer goods can maintain the same email and password habits across different shopping sites. In this Sweden-based e-commerce context, leaked passwords may pose a risk not only for the old store account but also for other retail and payment accounts.\u003C\u002Fp>\n\u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2>\n\u003Cp>Although data types seem limited in the SmartHem case, the risk of a plain text password being found increases. If the password used in a shopping account has been repeated in an email inbox, marketplace, delivery application, or payment account, attackers can quickly try the same combination.\u003C\u002Fp>\n\u003Cp>In the SmartHem incident, the risk is higher than an ordinary email leak because plain text password information was found. Password data reduces attackers' trial-and-error time, facilitates automatic login attempts on other services where the same password is used, and makes password reset messages more convincing.\u003C\u002Fp>\n\u003Ch2>User Groups at Risk\u003C\u002Fh2>\n\u003Cp>Although an email address alone may seem like a limited personal data, it turns into a strong attack vector when combined with a username, IP address, password, or profile information. If the user uses the same email address for work, shopping, forums, games, financial, or social media accounts, the impact can extend beyond the relevant platform.\u003C\u002Fp>\n\u003Cp>Even if this incident is from the past, its security value continues. A significant portion of users reuse old password patterns with minor changes. Therefore, an old breach like SmartHem can be used in password guessing, credential stuffing, and targeted phishing attempts even years later.\u003C\u002Fp>\n\u003Cp>The first step for users is to recall which email address and password they might have used in the past on SmartHem or smarthem.se. If the same password family has been used on other accounts, it is not sufficient to make changes only on the relevant site; all repeatedly used passwords must be replaced with unique and random passwords.\u003C\u002Fp>\n\u003Cp>Using a password manager is one of the most effective measures that can be taken after this incident. Creating a separate password for each site prevents a single breach from spreading to other accounts in a chain. Old passwords saved in the browser should also be reviewed, and weak or repeated passwords should be cleaned up.\u003C\u002Fp>\n\u003Cp>Two-factor authentication is prioritized especially for email accounts, password managers, financial accounts, social media profiles, gaming accounts, and admin panels. App-based authentication or hardware security keys provide more resilient protection compared to SMS-based authentication.\u003C\u002Fp>\n\u003Cp>Forwarding rules, recovery addresses, connected applications, trusted device list, and recent sessions in the email account should be checked. Even if the attacker cannot directly access the SmartHem account, they can target password reset flows of other services through the email account.\u003C\u002Fp>\n\u003Cp>In phishing risk, the old service name, username, sector information, or registration date may be used. Users should type the address themselves instead of clicking on incoming links directly, not open file attachments without verification, and should be cautious of messages that create urgency for immediate action.\u003C\u002Fp>\n\u003Cp>Risk should also be assessed for corporate users. If an employee used their work email on an account that appears to be personal, it is possible to try the same password on company systems. Domain-based security scans, multi-factor authentication, and controls that catch password reuse are therefore important.\u003C\u002Fp>\n\u003Cp>From the perspective of site owners, the main lesson is password storage and data minimization. Plain text or quickly crackable hash formats directly weaken user security. In modern systems, strong, salted, and slow password derivation methods should be used, and old hash formats should be gradually updated during user login.\u003C\u002Fp>\n\u003Cp>Backups, test environments, export files, old forum software, admin panels, and unnecessary privileges should be regularly audited. Many data leaks originate not from the visible part of the main application, but from forgotten auxiliary systems or accounts with extensive privileges.\u003C\u002Fp>\n\u003Cp>In institutions without an incident response plan, user notification, password reset, log review, and connected system checks are delayed. Which systems will be monitored, which records will be kept, which users will be informed, and which backups will be reviewed should be predefined.\u003C\u002Fp>\n\u003Cp>The fact that the SmartHem domain does not currently provide a healthy user experience may make direct access to old accounts difficult. This situation does not eliminate the risk; because if the leaked password was used on other accounts in the past, the data could still be effective in the attack chain.\u003C\u002Fp>\n\u003Cp>Users can assume that websites selling home and lifestyle products also have fields such as delivery address, billing information, or shopping history. However, in this record, the directly supported data classes were limited to email and password; unsupported address or payment fields were not added.\u003C\u002Fp>\n\u003Cp>Being a service aimed at the Swedish market may make password reuse more likely among consumer accounts within the same country. If the user has opened accounts in other local stores with the same email address, those accounts should also be checked.\u003C\u002Fp>\n\u003Ch2>Urgent Measures to Be Taken\u003C\u002Fh2>\n\u003Cp>In e-commerce accounts, attackers sometimes prepare messages that appear like real order notifications. Messages coming with an old store name, return request, delivery problem, or discount coupon theme should therefore be considered suspicious as well.\u003C\u002Fp>\n\u003Cp>The logo for the SmartHem page was kept as a simple local image because the live site did not respond reliably. This way, the record remains accessible on the user side without an incomplete image, and the website space is stored without protocol.\u003C\u002Fp>\n\u003Cp>In this record, unverified data types were specifically left out. Rather than creating a longer list of data classes, clearly showing the supported fields is more valuable for user confidence. On data breach pages, the aim is not to look intimidating, but to clearly explain the correct scope and applicable security measures.\u003C\u002Fp>\n\u003Cp>This page has been prepared to provide straightforward, Turkish, and practical information under different names such as SmartHem data breach, smarthem.se data leak, SmartHem password leak, and SmartHem user data. The text explains verified areas and practical security steps.\u003C\u002Fp>\n\u003Cp>When users see this record, they should evaluate not only the account on the relevant platform but also other accounts they have opened with the same email address. Accounts where old passwords are reused are particularly the first target for attackers. Closing old accounts also provides long-term risk reduction.\u003C\u002Fp>\n\u003Cp>To reduce password reuse, new passwords should not include brand names, birth years, usernames, team names, hobbies, cities, or easily guessed additions. Adding a small number or special character to the end of a password does not make it secure; attacker tools try these patterns quickly.\u003C\u002Fp>\n\u003Cp>The account security checklist is clear: change the old password, update all accounts using the same password, enable two-factor authentication, check email recovery information, close unknown sessions, and use the site address directly instead of links in suspicious messages.\u003C\u002Fp>\n\u003Cp>Security teams should evaluate this record in terms of email addresses that match employee domain names. Corporate email addresses used in old forum, shopping, financial, or community accounts can enrich attackers' target lists.\u003C\u002Fp>\n\u003Ch2>Long-Term Security Strategies\u003C\u002Fh2>\n\u003Cp>Data minimization is critical in such incidents. Unnecessary profile fields should not be collected, inactive accounts should be cleared with reasonable retention policies, access to sensitive fields should be restricted, and data export operations should be additionally monitored.\u003C\u002Fp>\n\u003Cp>Instead of panicking, users need to complete account hygiene. Closing old and forgotten accounts, deleting unnecessary memberships, updating recovery addresses, and enabling login notifications on important accounts provide permanent protection.\u003C\u002Fp>\n\u003Cp>The risk level on this page was determined as critical, taking into account the number of affected accounts, the type of password information, the potential of data classes for account takeover, and whether the incident involved reusable credentials. The critical level does not indicate definite misuse, but signifies that the user needs to take rapid action.\u003C\u002Fp>\n\u003Cp>As a result, this record for SmartHem is a unique data breach record affecting 53,971 accounts during the April 2018 period and includes the fields of email addresses and plain text passwords. It is recommended that users use unique passwords, enable two-factor authentication, check their email security settings, and monitor suspicious login alerts.\u003C\u002Fp>\n\u003Cp>Since the numerical value, title, and domain are evaluated together in the SmartHem record, ambiguous list items circulating under the same name were not transferred to this page. The record seen by the user is limited to the verified domain and event period.\u003C\u002Fp>\n\u003Cp>Keeping data classes simple is particularly important; because adding unsupported fields disrupts the user's risk assessment. Therefore, claims other than email addresses and plain text passwords are not presented as proven data fields for this record.\u003C\u002Fp>\n\u003Cp>Old memberships associated with the domain smarthem.se may have been forgotten. If password changes cannot be made on forgotten accounts, it is a more realistic priority to find other services where the same password is used and secure them.\u003C\u002Fp>\n\u003Cp>When a username or email address is combined with other leaks, it becomes easier for attackers to guess a person's interests, country, industry, or past membership habits. Therefore, even if a single breach seems small, the combined risk is greater.\u003C\u002Fp>\n\u003Cp>From the perspective of institutions, the use of work email in employees' personal memberships should be addressed in regular awareness trainings. Such records provide a warning signal to measure password reuse and the visibility of corporate identities on personal platforms.\u003C\u002Fp>\n\u003Ch2>Record Control and User Action\u003C\u002Fh2>\n\u003Cp>If the user sees their own email in this record, they should start with the most important accounts first: email inbox, bank or investment account, password manager, cloud storage, social media, and frequently used shopping accounts.\u003C\u002Fp>\n\u003Cp>If account closure is possible, closing unnecessary old memberships is also a good step. For accounts that cannot be closed, at least the password should be made unique, profile information should be minimized, and login notifications should be enabled.\u003C\u002Fp>","SmartHem Alleged Data Exposure (54 Thousand Email Identifiers)","SmartHem Alleged Data Exposure. 54 Thousand email identifiers are reported. Reported data: Email addresses, Passwords. Review the scope, risks, and protective…","\u002Fuploads\u002Flogo\u002Fsmarthem.svg",false,{"name":37,"sector":38,"country":39,"website":9,"websiteArchiveUrl":40,"websiteStatus":40,"websiteCheckedAt":12},"SmartHem","eCommerce \u002F Home Retail","Sweden",""]