Data Breaches: Live Threat Intelligence
Track the latest data breaches, leaks and exposures in real time, with analysis of why they happen and how to prevent them.
A data breach exposes sensitive information to parties who should not have it — and the consequences span financial cost, regulatory penalties, reputational damage and real harm to affected individuals. Breaches are among the most consequential and most regulated outcomes in cybersecurity. This page aggregates the latest breach disclosures and exposure reporting from authoritative sources.
How breaches happen
Most breaches trace back to a familiar set of causes: stolen or weak credentials (often via phishing), exploitation of unpatched internet-facing vulnerabilities, cloud misconfigurations that expose data to the open internet, malware and ransomware (modern ransomware steals data before encrypting it), insider threats, and compromises at third-party vendors that hold an organization's data. A defining feature is dwell time — intrusions frequently go undetected for weeks or months, and the longer they persist, the greater the damage.
A regulated event
A breach is increasingly a legal and regulatory matter, not only a technical one. Laws worldwide impose mandatory notification within defined windows and significant penalties for inadequate protection. That makes breach readiness a cross-functional responsibility spanning legal, compliance, communications and leadership — and it makes detection speed matter in regulatory terms, since the clock starts when a breach is discovered.
What to watch
- Supply-chain breaches — a compromise at a vendor can expose many downstream organizations.
- Credential dumps — leaked credentials fuel account takeover and further intrusions.
- Misconfiguration exposures — unsecured databases and storage buckets remain a top cause of avoidable leaks.
How to prevent breaches
Prevention means reducing both the likelihood and the impact of a compromise: harden identity with phishing-resistant MFA and least privilege, patch and securely configure systems, encrypt sensitive data, segment networks, deploy monitoring to cut dwell time, minimize the data you store, manage vendor risk, and maintain a tested incident-response plan. Our guide covers data breach causes, impact and prevention in full.
The live feed below tracks breach disclosures and exposure reporting as it breaks.