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Response snapshot Oct 27, 2026, 02:01 UTC

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Disclosed incidenthibp-breachforums2025

BreachForums (2025) breach: 672,247 accounts exposed

In October 2025, a reincarnation of the hacking forum BreachForums, which had previously been shut down multiple times, was taken offline by a coalition of law enforcement agencies .

At a glance

Sources
1 source

What to do

If you or your organization used this service, change reused passwords, watch for phishing that uses the exposed data, and check the disclosure for the organization's guidance.

Read Have I Been Pwned: BreachForums (2025) (opens a new tab)

What happened

In October 2025, a reincarnation of the hacking forum BreachForums, which had previously been shut down multiple times, was taken offline by a coalition of law enforcement agencies . In the months leading up to the takedown, the site itself suffered a data breach that exposed a total of 672k unique email addresses across all tables, including within forum posts and private messages.

The users table alone contained 324k unique email addresses, usernames, and Argon2 password hashes.

Related technology

Sources

  1. Primary source

    Have I Been Pwned: BreachForums (2025) (opens a new tab)

    Verified breach loaded into Have I Been Pwned: account count, exposed data types, and dates.

    Published Checked

  2. Primary source

    Have I Been Pwned breach API (opens a new tab)

    The breach list that supplied this entry.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, January 11). BreachForums (2025) breach: 672,247 accounts exposed. https://kevwire.com/record/hibp-breachforums2025

MLA

"BreachForums (2025) breach: 672,247 accounts exposed." KEVWire, 11 Jan. 2026, kevwire.com/record/hibp-breachforums2025.

Chicago

KEVWire. "BreachForums (2025) breach: 672,247 accounts exposed." Last modified January 11, 2026. https://kevwire.com/record/hibp-breachforums2025.

Evidence summary (plain text)

BreachForums (2025) breach: 672,247 accounts exposed (Jan 10, 2026).
In October 2025, a reincarnation of the hacking forum BreachForums, which had previously been shut down multiple times, was taken offline by a coalition of law enforcement agencies . In the months leading up to the takedown, the site itself suffered a data breach that exposed a total of 672k unique email addresses across all tables, including within forum posts and private messages. The users table alone contained 324k unique email addresses, usernames, and Argon2 password hashes.
Sources:
Have I Been Pwned: BreachForums (2025): https://haveibeenpwned.com/Breach/BreachForums2025
Have I Been Pwned breach API: https://haveibeenpwned.com/api/v3/breaches
Record ID: hibp-breachforums2025.
Record origin: Ingested record.
AI evidence: Not assessed.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 01:25 UTC. Ingestion is not an independent editorial investigation.

Verified by Have I Been Pwned. Breach date: 2025-08-11; loaded 2026-01-10. Exposed data: Email addresses, Forum posts, Passwords, Private messages, Usernames. Counts are accounts in the loaded data, not necessarily distinct people.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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