What was exposed, when it happened, and which databases confirm it.
- accounts
- 562,122
- Breached
- July 1, 2019
- Last Update
- September 1, 2019
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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What happened
In July 2019, the forum for webcomic XKCD suffered a data breach that impacted 562k subscribers. The breached phpBB forum leaked usernames, email and IP addresses and passwords stored in MD5 phpBB3 format. The data was provided to HIBP by white hat security researcher and data analyst Adam Davies.
Compromised Info
- Email addresses
- IP addresses
- Passwords
- Usernames
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- HIBP
FAQ
What was leaked in the XKCD breach?
The XKCD breach exposed: Email addresses, IP addresses, Passwords, and Usernames.
When did the XKCD breach happen?
The XKCD breach was disclosed on July 1, 2019 and affected 562,122 records.
Am I affected by the XKCD breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the XKCD leak.