[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1uaz4pb0qpuqd":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":7,"domain":9,"breachDate":10,"addedDate":11,"modifiedDate":12,"contentUpdatedAt":13,"source":14,"sourceUrl":15,"sourceUrls":16,"pwnCount":17,"affectedCount":17,"affectedCountStatus":18,"affectedCountLowerBound":19,"affectedCountUnit":20,"hasEnglishDescription":4,"severity":21,"dataClasses":22,"description":29,"seoTitle":15,"seoTitleEn":30,"seoDescription":15,"seoDescriptionEn":31,"logoUrl":32,"isVerified":4,"isSensitive":33,"isSpamList":33,"isMalware":33,"company":34},"68e3266eda11adda48825292","malwarebytes","Malwarebytes Data Breach","malwarebytes.org","2014-11-15T00:00:00.000Z","2016-03-09T11:15:43.000Z","2026-07-03T13:02:42.391Z","2026-07-18T23:54:05.180Z","Third party breach","",[],111623,"known",null,"unknown","High",[23,24,25,26,27,28],"Dates of birth","Email addresses","IP addresses","Passwords","Usernames","Website activity","\u003Cp>The Malwarebytes data breach is a security incident seen in the context of the cybersecurity and anti-virus forum associated with the domain malwarebytes.org and dates back to November 2014. This record has been kept as a single incident affecting approximately \u003Cstrong>111,623\u003C\u002Fstrong> accounts. The supported data classes are limited to birth dates, email addresses, IP addresses, password information, usernames, and website activity; unverified additional claims and conflicting fields have not been included in this record to avoid misleading the user.\u003C\u002Fp>\n\u003Ch2>Leaking Data Types and Risks\u003C\u002Fh2>\n\u003Cp>While preparing the Malwarebytes record, similar titles in the existing records, different events seen with the same domain name, event date, number of records, and data classes were checked together. When a verified existing record was found, a new duplicate was not created, while for new events, a separate record was opened.\u003C\u002Fp>\n\u003Cp>Although lower numbers and narrower data classes appear in the compared data set, the verified existing record supports 111,623 accounts, the November 2014 period, and broader data classes. Therefore, the existing verified value has been retained.\u003C\u002Fp>\n\u003Cp>In the Malwarebytes incident, even users with high security awareness may face risks related to password reuse because users' email, IP address, date of birth, username, website activity, and password information were seen together.\u003C\u002Fp>\n\u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2>\n\u003Cp>The level of risk in the Malwarebytes data leak cannot be explained solely by the number of records. When email addresses, usernames, IP addresses, passwords, birth dates, full names, or identity-like fields are seen together, attackers can create more realistic phishing messages and password testing scenarios.\u003C\u002Fp>\n\u003Cp>Since the domain associated with Malwarebytes signaled as accessible, this record is not only past archive information but also a current risk topic for users who continue to reuse passwords. The common point of breaches in different sectors such as news, forum, complaint platforms, automotive communities, security software forums, or gaming services is that users repeat the same email and password habits in many places.\u003C\u002Fp>\n\u003Ch2>User Groups at Risk\u003C\u002Fh2>\n\u003Cp>For records with password information, the users' first step should be to change all accounts that use the same or similar password. Plain text passwords can be used directly; if it is password hash information, it can be cracked depending on the algorithm, salt structure, and weakness of the password. Therefore, unique passwords and multi-factor authentication are basic measures.\u003C\u002Fp>\n\u003Cp>When email addresses and usernames are exposed, attackers do not only perform automated login attempts. Fake notifications using the old membership name, support request impersonations, password reset messages, and scam scenarios that appear to know the user become more convincing.\u003C\u002Fp>\n\u003Cp>If there are additional fields such as IP address, date of birth, full name, or website activity, the attack surface expands. This information alone does not always enable account takeover; however, when combined with other leaks, it makes it easier to match the user's identity, location, or previous membership context.\u003C\u002Fp>\n\u003Cp>When determining data classes for Malwarebytes, details that appear in larger lists but are unsupported have been deliberately left out. This approach aims to present the user with the clearest supported risk table, rather than a more striking but weaker explanation.\u003C\u002Fp>\n\u003Cp>From the perspective of corporate users, this incident shows that passwords used in personal accounts can spill over to corporate accounts. An employee's old password on a security forum, news site, gaming community, or complaint platform can turn into a real corporate risk if it is also used in the same pattern on a work account.\u003C\u002Fp>\n\u003Cp>The recommended actions for individual users are clear: retire the password used in the relevant service, not use the same password anywhere else, update account recovery information, check session history, and be cautious of unexpected verification code requests.\u003C\u002Fp>\n\u003Cp>Users who search for a Malwarebytes data breach often just want to know whether their email address is on the list. For a correct interpretation, the date of the incident, the types of data it contains, how many records were affected, and whether it might be confused with similar names should be considered together.\u003C\u002Fp>\n\u003Ch2>Urgent Measures to Be Taken\u003C\u002Fh2>\n\u003Cp>This record has been organized in a way that makes the scope of the incident understandable through different designations such as Malwarebytes data breach, Malwarebytes data leak, malwarebytes.org security incident, number of affected accounts, types of leaked data, and password security. Nevertheless, details that have not been confirmed are not presented as definite information.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different data types can be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used on other accounts.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different types of data may be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used in other accounts.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different data types can be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used on other accounts.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different types of data may be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used in other accounts.\u003C\u002Fp>\n\u003Ch2>Long-Term Security Strategies\u003C\u002Fh2>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different data types can be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used on other accounts.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different data types can be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used on other accounts.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different types of data may be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used in other accounts.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different types of data may be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used in other accounts.\u003C\u002Fp>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different data types can be seen for the same service in breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used on other accounts.\u003C\u002Fp>\n\u003Ch2>Record Control and User Action\u003C\u002Fh2>\n\u003Cp>The conservative approach applied in the Malwarebytes record is important; because different record numbers, different dates, or different types of data may be seen for the same service on breach lists. On this page, incidents associated with the malwarebytes.org domain have been reduced to supported findings, and it is clearly explained which security steps the user should prioritize. If the Malwarebytes account has been used in the past, it should also be checked whether the same email and password pattern has been used in other accounts.\u003C\u002Fp>\n\u003Cp>As a result, the Malwarebytes incident is a security record affecting around 111,623 accounts and associated with fields such as birth dates, email addresses, IP addresses, password information, usernames, and website activity. When users see this record, instead of panicking, they should end password reuse, enable multi-factor authentication, and be cautious of messages coming with old membership information.\u003C\u002Fp>","Malwarebytes Data Breach (111.6 Thousand Reported Records)","Malwarebytes Data Breach. 111.6 Thousand reported records were reported. Reported data: Dates of birth, Email addresses, IP addresses. Review the scope…","\u002Fuploads\u002Flogo\u002Fmalwarebytes_org.webp",false,{"name":35,"sector":36,"country":37,"website":9,"websiteArchiveUrl":15,"websiteStatus":15,"websiteCheckedAt":19},"Malwarebytes","Cybersecurity \u002F Anti-Virus","United States"]