2023 on cisonews.net
Everything we have on record from 2023.
16 incidents, newest first. Incidents sit under the month their first disclosure was filed. The log went live on September 27, 2026; entries about earlier disclosures were compiled from the filings after that.
December 20232
November 20232
- IncidentFidelity National Financial reports 1.3 million consumers potentially affected by a November 2023 incidentFidelity National Financial8-K Item 8.01Financial services
- IncidentMr. Cooper reports personal data of substantially all customers obtained in an October 2023 incidentMr. Cooper Group8-K Item 8.01Financial services
October 20232
September 20233
- IncidentJohnson Controls reports disruption to internal IT infrastructure from a cybersecurity incidentJohnson Controls International8-K Item 8.01Industrials & manufacturing
- IncidentCaesars Entertainment reports theft of its loyalty program database after a vendor social engineering attackCaesars Entertainment8-K Item 8.01Hospitality & entertainment
- IncidentMGM Resorts puts the September 2023 cybersecurity issue at about $100 million of lost property earningsMGM Resorts International8-K Item 7.01Hospitality & entertainment