Bookchor
HIGH RISKData breach — January 2021
In January 2021, the Indian book trading website Bookchor suffered a data breach that exposed half a million customer records. The exposed data included email and IP addresses, names, genders, dates of birth, phone numbers and passwords stored as unsalted MD5 hashes. The data was subsequently traded on a popular hacking forum.
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What happened in the Bookchor data breach?
In January 2021, the Indian book trading website Bookchor suffered a data breach that exposed half a million customer records. The exposed data included email and IP addresses, names, genders, dates of birth, phone numbers and passwords stored as unsalted MD5 hashes. The data was subsequently traded on a popular hacking forum.
The exposed data included 8 types of personal information. Because passwords were exposed, users who reused their password on other sites are at particular risk. Learn more about what a data breach means for you.
Quick answer — was Bookchor hacked?
Yes. Bookchor was breached in January 2021. The breach exposed 498,297 records including dates of birth, email addresses, genders. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the Bookchor breach so dangerous?
The Bookchor breach exposed 498,297 records — that is a large number of compromised accounts. The combination of dates of birth, email addresses, genders makes this a high-risk breach that requires immediate action.
Because passwords were exposed, attackers can use credential stuffing to automatically test your Bookchor password against hundreds of other websites. If you reused your password anywhere, those accounts are now at risk. Read more about what happens to your data after a breach.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the Bookchor breach?
Dates of birth — used to verify identity for account takeover and fraud
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Genders — may be combined with other breach data to build a profile for targeted attacks
IP addresses — combined with other data, used for identity theft and physical fraud
Names — used to build profiles and target you with personalised scams
Passwords — can be used to access your accounts directly or cracked to reveal your actual password
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Social media profiles — may be combined with other breach data to build a profile for targeted attacks
Is the Bookchor breach still dangerous in 2026?
Yes. Stolen data from the Bookchor breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2021 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your Bookchor password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the Bookchor breach
Approximately 498,297 user records were exposed in the Bookchor breach in January 2021.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Bookchor password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full Bookchor dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Bookchor password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the Bookchor breach?
The Bookchor data breach affected approximately 498,297 users who had accounts with the service. While not the largest breach on record, it still represents a significant number of compromised accounts in our database of 970+ known breaches.
If you ever created an account with Bookchor or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the Bookchor breach
Change your Bookchor password immediately
Go to Bookchor and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on Bookchor and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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