September 2026 became the most damaging month for the cryptocurrency sector in terms of security breaches. Blockchain security firms PeckShield and CertiK reported that total losses from hacks and exploits exceeded $766 million during this period, marking a significant increase compared to August.
PeckShield identified 55 major incidents resulting in $766.5 million in stolen assets. CertiK recorded a higher frequency of 97 incidents with estimated losses reaching $768.4 million. These figures include several high-profile attacks that occurred throughout the month.
The largest incidents involved the Bitget platform, which suffered a loss of $388 million, and the Liquid Network, which was exploited for $320 million. Reports indicate that more than $270 million from the Liquid Network exploit was subsequently returned.
Additional security breaches affected Safe Wallet, DCENT, and Duelbits, with losses of $7.8 million, $6 million, and $5.9 million respectively. According to CertiK, the total number of security incidents in 2026 has reached 656, resulting in cumulative losses of $2.68 billion.
