KomikoAI data breach
From Breaches, in the HARD wiki · Updated
This article is about the February 2026 breach of KomikoAI. For every breach, see Breaches.
The KomikoAI data breach exposed 1,060,191 accounts from komiko.app in February 2026. The data taken includes names, email addresses, AI prompts and forum posts.[1]
Have I Been Pwned verified it and added it to its search on 2 Mar 2026, within a month. It is the 409th largest of the 618 breaches in HARD’s list.
What was exposed
KomikoAI’s breach included 4 kinds of data. What each lets criminals do:
| Data | What it’s used for |
|---|---|
| Names | Makes scam messages personal enough to believe. |
| Email addresses | Expect scam emails that name the company to look genuine. |
| AI prompts | Personal details that make scam messages more convincing. |
| Forum posts | Personal details that make scam messages more convincing. |
What to do
- Check whether you’re in it.Search your email address on Have I Been Pwned. It tells you which breaches it appears in, KomikoAI among them, without showing the data.
- Distrust messages that mention KomikoAI.Scammers use breach data to sound genuine. Don’t click links in emails or texts about the breach; go to the site yourself.
- Expect the data to resurface.Breach data is sold and combined with other leaks for years. Stay wary of messages that know a little too much about you.
Timeline
- : the breach, as best it can be dated.
- : Have I Been Pwned verifies the data and adds it to its search, within a month.
Similar breaches
Breaches that leaked the same kinds of data, closest in time:
- Addi, March 2026, 35 million accounts
- McGraw Hill, April 2026, 14 million accounts
- CarGurus, February 2026, 12 million accounts
- Pitney Bowes, April 2026, 8.2 million accounts
- Carnival, April 2026, 7.5 million accounts
- Odido, February 2026, 6.1 million accounts
See Breaches for all 618, and Updates for keeping your devices patched.
References
- ^ Troy Hunt. “KomikoAI”, Have I Been Pwned, added 2 Mar 2026. Breach data licensed CC BY 4.0.
External links
- Have I Been Pwned, to check your email address
- komiko.app, KomikoAI’s website