Monitoring

Mirror

HIGHTerra·Improper Access Control·#46 all-time
$90.0M stolenFriday, October 8, 2021 · 1843 days ago

Corpus updated 2026-10-25

What happened

  • Mirror, a defi protocol, lost $90.0M on October 8, 2021.

  • The 10th largest of the 127 incidents recorded in 2021: 3.1% of the $2.87B lost to hacks that year.

  • The first of 2 recorded incidents at Mirror; the next followed in May 2022, $2.0M.

  • Improper Access Control is behind 142 recorded incidents totalling $1.19B; this is the 3rd largest of them.

Cite this record

Monitoring Room, "Mirror hack (2021) — $90.0M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/mirror

Other recorded incidents at Mirror

DefiLlama records 2 separate incidents under this name.

Mirror — 2022
Terra$2.0M

Nearby in the record

pNetwork
10/4/2021$13.0M
Indexed Finance
10/14/2021$16.0M
Coinbase
10/1/2021$0
Glide Finance
10/18/2021$300K
Compound V2
9/29/2021$147.0M
Alpha Homora
10/23/2021$147K
← All incidents

Source: DefiLlama · 1317 recorded incidents · data as of 2026-10-25 08:00 UTC