Harvard University data breach exposed info of 851,000 accounts
Hackers who breached Harvard University's Alumni Affairs and Development systems in November 2025 stole data linked to more than 850,000 unique email addresses, according to breach notification service Have I Been Pwned.
Excerpt from the primary source: BleepingComputer
Who is affected
Security professionals
What you should do · Be aware
No immediate action is indicated. Share this with the relevant teams and watch for updates.
Automated guidance based on this story's classification. Check the linked advisories for specifics.
Sources
We link to original and authoritative sources. Headlines and excerpts belong to their publishers.
Original reporting
Related
One Compromised Laptop, Billions Lost: The Binance Attack-Path Warning
The record theft shows how weak system separation, inadequate controls, and untested attack paths can turn one breach into systemic loss.
Your Mobile Carrier Stores Your Call Logs for Years
Mobile carriers can retain years of call and text metadata, exposing sensitive details about customers' relationships, locations, and daily routines if breached. Cape examines the privacy risks of long-term telecom data retention and how its mobile service reduces exposure by automatically deleting call records.
Chainalysis discloses data breach from "offensive agentic techniques"
Blockchain analytics firm Chainalysis disclosed a data breach after attackers used "offensive agentic techniques" to access internal systems and tools, exposing customer names, email addresses, user IDs, and organizational roles.
Florida warns that 4.9 million people had Social Security numbers leaked in financial aid site breach
The state’s Department of Education (FLDOE) said on Thursday it became aware of a data breach involving the Florida Student Financial Aid website on October 19.