Blizzard security incident history
Hacking, data breaches and other security incidents involving Blizzard, with related coverage.
Incidents: 1 · Most recent
DDoS attack on Blizzard's Battle.net disrupts game access
Impact: Connection delays, login failures and disconnections across several games
On 12 November 2026, Blizzard's Battle.net suffered a DDoS attack, causing connection delays, login failures and disconnections across several games. Blizzard confirmed the attack and took steps to mitigate it, and around an hour after the attack began, the warning disappeared and users reported reconnecting. Further connection problems occurred that day, but the cause of the second disruption was not confirmed.
Related reports: 4 · last report →