Harvard University Data Breach: 876,562 Records With Phone Numbers

HEROIC analysts logged a data breach record that lists Harvard University as its source, dated February 4, 2026. It holds 876,562 records with email addresses, first and last names, phone numbers, birthdays and gender. Only a check can tell you whether your own details are among them.

What Names, Birthdays and Phone Numbers Make Possible

A full name, a birthday and a phone number are the details people use to prove who they are on a call or a form. Someone holding all three can sound convincing while pretending to be you, or while posing as a service that appears to know you. The record lists no password, so the risk here is impersonation and unwanted contact rather than a direct sign-in.

The Six Items in Each Record

• Email addresses, which can receive phishing messages written to look personal.
• First names, which let a message open with a greeting that feels familiar.
• Last names, which complete the identity and support convincing impersonation.
• Phone numbers, which can receive scam calls and texts.
• Birthdays, a detail that is difficult to replace and that some services use to verify identity.
• Gender, a personal detail that can shape how a scam message is worded.

Why Contact Details Matter Without a Password

When a record holds no password, attackers rely on persuasion. A message that uses your name and birthday is harder to dismiss, and a call to your own number carries more weight than a random one. Details like these suit targeted scams and attempts to talk a service provider into resetting a login.

How This Kind of Record Is Put Together

A database record is built from information copied out of one organization's own systems, not from software on a person's computer. Because everything comes from a single source, each row follows the same pattern, which is why names, contact details and birthdays appear together. The name attached to this record is a label for its source, and this post says nothing about the organization beyond the stored items listed above.

Is Your Email on This List?

To find out, scan your email and see your information. If it matches, add a PIN to your phone carrier, treat unexpected calls and texts with caution, and be wary of messages that quote your birthday. Check the address you use for work as well as your personal one.