Anime-Planet Data Breach (2016): What Was Exposed & What To Do
SourceBreach data provided in part by Have I Been Pwned, used under CC BY 4.0.
The Anime-Planet Data Breach (2016) (reported January 1, 2016) exposed Dates of birth, Email addresses, IP addresses and Passwords belonging to roughly 369K people. If you have an account with them, your information may now be circulating on the open web and with data brokers. Here’s exactly what happened, how to check if you were affected, and what to do next.
Users of the anime community site Anime-Planet may have had account details exposed in a breach that came to light in 2016. The incident involved records for 369,000 subscribers and included several categories of personal and login information. This kind of exposure can leave individuals at risk of targeted account access or unwanted contact if the data is later circulated.
Inside the incident
The breach was reported on January 1, 2016. It affected approximately 369,000 users of Anime-Planet. Exposed information included usernames, email addresses, IP addresses, dates of birth, and passwords. Passwords for older accounts were stored as unsalted MD5 hashes, while newer accounts used bcrypt hashes. The data was later provided to Have I Been Pwned by dehashed.com. Details on how the incident occurred remain undisclosed.
How a breach like this happens
Incidents involving online service accounts often result from attackers gaining unauthorized access to a site's database through vulnerabilities in web applications or weak server protections. Once inside, they can extract stored user records. Passwords are sometimes recovered later if the hashing method is weak or if additional information becomes available.
About Anime-Planet
Anime-Planet operates as a website focused on anime and manga, providing users with tools to track viewing habits and connect with others who share similar interests. Sites of this type routinely collect account details such as usernames, email addresses, and dates of birth to manage profiles and communications.
A breach at such a platform is consequential because the data can be used to link individuals to their online interests and potentially compromise associated accounts elsewhere.
What data was at risk
The records named in connection with the incident included dates of birth, email addresses, IP addresses, passwords, and usernames. Password storage varied by account age, with unsalted MD5 hashes for some and bcrypt for others.
What's at stake
Exposed email addresses and usernames can facilitate phishing or spam. Dates of birth add to identity details that may be misused. IP addresses can reveal approximate locations at the time of use. If password hashes are cracked, attackers may attempt access to the original accounts or reuse credentials on other services.
Were you affected?
Individuals concerned about this or similar incidents can take several steps to limit further exposure.
- Review account security on Anime-Planet and any services using the same credentials.
- Monitor for unusual login attempts or messages.
- Run a free exposure scan of their email address against known breach data.
AICompiled with AI assistance from public sources and published under our editorial standards.
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Read GalaxyWarden’s full analysis of the Anime-Planet Data Breach (2016) →
Verified breach. Breach data provided in part by Have I Been Pwned, used under CC BY 4.0.
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