[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3qzsk1p37l8fz":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":28,"seoTitle":29,"seoTitleEn":30,"seoDescription":29,"seoDescriptionEn":31,"logoUrl":32,"isVerified":4,"isSensitive":33,"isSpamList":33,"isMalware":33,"company":34},"68e3266eda11adda488251aa","Edmodo","Edmodo Data Breach","edmodo","edmodo.com","2017-05-11T00:00:00.000Z","2017-06-01T05:59:24.000Z","2026-07-18T23:50:10.624Z","Verified breach record","https:\u002F\u002Fgrahamcluley.com\u002Fedmodo-hackers-breached-education-platform-stole-user-data-hashed-passwords\u002F",[15,17,18],"https:\u002F\u002Fwww.the74million.org\u002Farticle\u002F77-million-edmodo-users-are-hacked-as-widespread-cyber-attacks-hit-the-ed-tech-world\u002F","https:\u002F\u002Fmedium.com\u002F4iqdelvedeep\u002Fdeep-dive-into-the-edmodo-data-breach-f1207c415ffb",43423561,"known",null,"unknown","Critical",[25,26,27],"Email addresses","Passwords","Usernames","\u003Cp>The Edmodo data breach is a large-scale security incident that occurred in May 2017, involving the unauthorized access to user information from the Edmodo platform used in the field of educational technology. The incident is significant not only in terms of account security but also regarding the risk of phishing and social engineering within school communities, as it affected an educational service used by teachers, students, and parents. The verified scope is 43,423,561 unique email addresses; the total record volume is reported to be approximately 77 million entries.\u003C\u002Fp>\u003Cp>The data obtained included email addresses, usernames, and password hashes protected with bcrypt. Although it was stated that the passwords were not verified in plain text, the hashed password data still poses a serious risk. Weak or reused passwords can be used in automated attempts on other accounts. Therefore, even though the Edmodo incident seems dated, it still requires security checks today for accounts using the same email address and similar passwords.\u003C\u002Fp>\u003Ch2>Leaking Data Types and Risks\u003C\u002Fh2>\u003Cp>The verified data types are email addresses, passwords, and usernames. The password field should be evaluated in bcrypt hash format; while this carries a more limited risk than plain text password leakage, it does not eliminate the danger. Weak passwords, reused passwords, and old password variations can be tried by attackers. Seeing the username and email address together can make phishing messages themed around fake school notifications, account alerts, or password resets more convincing.\u003C\u002Fp>\u003Cp>In the context of an educational platform, the risk expands the target audience. Since students, teachers, and parents communicate through the same service, attackers may try to deceive users with messages themed around the institution name, class, assignment, online lesson, or account update. In this incident, payment card, official identification, health data, or private message content should not be considered as verified data types. Risk assessment should focus on the trio of email, username, and password hash.\u003C\u002Fp>\u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2>\u003Cp>The incident date is accepted as May 11, 2017, and the verified addition date is considered June 1, 2017. The scope includes 43,423,561 unique email addresses and approximately 77 million total rows. This difference may occur due to multiple records belonging to the same user, accounts without email addresses, or duplicates in the dataset. Therefore, the actual impact presented to the user should be evaluated based on the number of unique accounts.\u003C\u002Fp>\u003Cp>The Edmodo domain has been verified as edmodo.com. The company's country has been recorded as the United States, and the industry as educational technology. The incident has been flagged as a confirmed breach, and the sensitive data flag is turned off; because the verified data types are limited to account credentials rather than private content related to children or education. Nevertheless, due to the educational context, phishing, password reuse, and targeting of the school community are significant risks.\u003C\u002Fp>\u003Ch2>User Groups at Risk\u003C\u002Fh2>\u003Cp>The highest risk group consists of students, teachers, parents, and school staff who use the same password on other services as their Edmodo account. If the same password is used for email accounts, school information systems, cloud file services, or social media accounts, the risk of account takeover increases. An old breach does not automatically ensure security; if the user has continued to use the same password with minor modifications over the years, the risk remains active.\u003C\u002Fp>\u003Cp>For organizations, the risk is that school email domains and usernames are targeted in phishing campaigns. If teacher or administrator accounts are compromised, more convincing fraud scenarios can be created against students and parents. For parent and student accounts, messages such as fake assignment notifications, class announcements, or password reset links can be effective. Therefore, organizations should focus not only on individual password changes but also on collective awareness and email security controls.\u003C\u002Fp>\u003Ch2>Urgent Measures to Be Taken\u003C\u002Fh2>\u003Cp>The first step is to check for password reuse on accounts that use the same email address or username as Edmodo. If the same or similar password exists on other accounts, a unique, long, and random password should be preferred for each service. Using a password manager makes this process more reliable. Email accounts, school accounts, cloud storage, social media, and financial accounts should be given priority in checking.\u003C\u002Fp>\u003Cp>Multi-factor authentication should be enabled on all accounts where it is supported. The email account should be particularly protected because password reset links often come here. Users should be cautious of unexpected school notifications, suspicious file attachments, fake login pages, and urgent password renewal messages. On the institutional side, domain spoofing protections, email filters, secure connection checks, and verification habits in teacher-parent communication channels should be strengthened.\u003C\u002Fp>\u003Ch2>Long-Term Security Strategies\u003C\u002Fh2>\u003Cp>In the long term, password reuse must be completely prevented. A unique password for each account, multi-factor authentication where possible, and regular session checks should be basic security rules. Educational institutions should increase the awareness of account security among students and teachers, and clearly explain that old data breaches can still be used in account takeover attempts years later.\u003C\u002Fp>\u003Cp>A permanent strategy for schools and education service providers is not to limit account security alerts to the day of the breach alone. Old leaks can circulate in attackers' password lists for a long time. Therefore, password reset policies, password-blocking controls matching the breach data, unusual login alerts, and user training should be operated together. The Edmodo incident is a clear example demonstrating how critical credential security is in the education ecosystem.\u003C\u002Fp>\u003Ch2>Record Control and User Action\u003C\u002Fh2>\u003Cp>A user who sees the Edmodo result on LeakData should first try to remember the old password for this account and list where else the same password might have been used. Even if the password is no longer in use, similar forms should be changed if found on other accounts. Regardless of whether it is a student, teacher, or parent account, the email account and school-linked services should be checked first.\u003C\u002Fp>\u003Cp>The most appropriate action for this incident is not just to change the Edmodo password alone, but to review all critical accounts linked to the same email address. The user should check active sessions, terminate unfamiliar logins, enable multi-factor authentication, and be more cautious against suspicious school-themed messages. This way, the impact of an old educational platform breach on current account security becomes more controlled.\u003C\u002Fp>","","Edmodo Data Breach (43.4 Million Reported Records)","Edmodo Data Breach. 43.4 Million reported records were reported. Reported data: Email addresses, Passwords, Usernames. Review the scope, risks, and protective…","\u002Fuploads\u002Flogo\u002Fedmodo_com.webp",false,{"name":7,"sector":35,"country":36,"website":10,"websiteArchiveUrl":29,"websiteStatus":29,"websiteCheckedAt":21},"Education technology platform","United States"]