# Postmortem Related Articles

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Sui Reveals What Caused Three Mainnet Halts After Major Network Upgrade

The Sui mainnet experienced three outages on May 28 and 29 following its 1.72 network upgrade. The first two halts, on Thursday and Friday morning, were caused by a bug in the new hybrid gas charging logic for address balances. A transaction cancellation due to insufficient funds could later trigger an underflow during the gas settlement process. A temporary patch was applied, but a masked error caused a repeat halt Friday morning. The third outage Friday afternoon was a separate issue triggered by a scheduled epoch change. A bug prevented validators from properly persisting the failed status of a randomness generation protocol, stalling the transition. All issues have been resolved with no risk to user funds, and network activity has resumed. The Sui Foundation cited lessons around improving epoch resilience and the critical nature of gas charging logic.

bitcoinist2 days ago 05:02

Sui Reveals What Caused Three Mainnet Halts After Major Network Upgrade

bitcoinist2 days ago 05:02

Steakhouse postmortem reveals DNS hijack caused by registrar 2FA bypass

Steakhouse's postmortem of a 30 March security incident reveals that attackers hijacked its domain through a social engineering attack on its registrar, OVHcloud. The attacker impersonated the account owner, convinced support to disable hardware-based two-factor authentication, and took full control of the account. This allowed them to redirect DNS to a phishing site with a wallet drainer for about four hours. No user funds were lost, as on-chain systems remained secure, and wallet protections quickly detected the fake site. The breach underscores the risk of off-chain infrastructure vulnerabilities and over-reliance on a single registrar. Steakhouse has since migrated registrars, enhanced DNS monitoring, and implemented stricter domain security controls.

ambcrypto04/10 19:03

Steakhouse postmortem reveals DNS hijack caused by registrar 2FA bypass

ambcrypto04/10 19:03

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