Upstox
HIGH RISKData breach — April 2021
In April 2021, Indian brokerage firm Upstox suffered a data breach. The incident exposed extensive personal information on over 100k customers including names, genders, dates of birth, physical addresses, banking information and passwords stored as bcrypt hashes. Extensive "know your customer" information was also exposed including scans of bank statements, cheques and identity documents complete with Aadhaar numbers.
search Check if you were affected — freeData exposed in this breach
What happened in the Upstox data breach?
In April 2021, Indian brokerage firm Upstox suffered a data breach. The incident exposed extensive personal information on over 100k customers including names, genders, dates of birth, physical addresses, banking information and passwords stored as bcrypt hashes. Extensive "know your customer" information was also exposed including scans of bank statements, cheques and identity documents complete with Aadhaar numbers.
The exposed data included 13 types of personal information. Because passwords were exposed, users who reused their password on other sites are at particular risk. Financial data was included, making this breach especially dangerous for affected users. Learn more about what a data breach means for you.
Quick answer — was Upstox hacked?
Yes. Upstox was breached in April 2021. The breach exposed 111,002 records including bank account numbers, dates of birth, email addresses. 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 Upstox breach so dangerous?
The Upstox breach exposed 111,002 records — that is a large number of compromised accounts. The combination of bank account numbers, dates of birth, email addresses makes this a high-risk breach that requires immediate action.
Because passwords were exposed, attackers can use credential stuffing to automatically test your Upstox 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 Upstox breach?
Bank account numbers — can be used for direct financial fraud and unauthorised transactions
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
Family members' names — used to build profiles and target you with personalised scams
Genders — may be combined with other breach data to build a profile for targeted attacks
Government issued IDs — enables full identity theft including fraudulent credit applications
Income levels — may be combined with other breach data to build a profile for targeted attacks
Marital statuses — may be combined with other breach data to build a profile for targeted attacks
Nationalities — may be combined with other breach data to build a profile for targeted attacks
Occupations — may be combined with other breach data to build a profile for targeted attacks
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
Physical addresses — combined with other data, used for identity theft and physical fraud
Is the Upstox breach still dangerous in 2026?
Yes. Stolen data from the Upstox 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 Upstox 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 Upstox breach
Approximately 111,002 user records were exposed in the Upstox breach in April 2021.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Upstox 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 Upstox dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Upstox 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 Upstox breach?
The Upstox data breach affected approximately 111,002 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 Upstox 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 Upstox breach
Change your Upstox password immediately
Go to Upstox 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 Upstox 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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