Yahoo! Inc. (1995–2017) controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
Back to profile3 entries
2018
SEC enforcement over breach disclosures
The Securities and Exchange Commission alleged that Yahoo misled investors by failing to properly disclose a material data breach. The company agreed to a civil penalty.
2016
2014 breach affecting approximately 500 million accounts
Yahoo disclosed that an intrusion in 2014 had compromised information associated with approximately 500 million accounts. The disclosure raised questions about the company’s security controls, internal escalation, and timing of investor communication.
2016
2013 breach affecting more than one billion accounts
Yahoo disclosed a separate 2013 compromise that initially affected more than one billion accounts and later revised the assessment to include all accounts believed to have existed at the time.