Stay informed on the latest data breach incidents and security breaches. Protect your information with our up-to-date breach news and analysis.
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Background for this topic.
Breach means unauthorized access to a computer system or network that exposes or steals sensitive data like personal details, passwords, or proprietary information. Attackers often exploit software flaws, weak passwords, or social engineering to gain entry. Breaches can also result from insiders misusing access or accidental data exposure.
Understanding breaches is crucial because they reveal weaknesses in security controls and can lead to data theft or operational disruption. Effective defenses include promptly patching vulnerabilities, enforcing strong authentication, and segmenting networks to limit attacker movement. Detecting breaches quickly through monitoring and logging helps contain damage and guide targeted remediation efforts to secure affected systems and data.
The ICO’s Deputy Commissioner told Infosecurity that organizations that fail to implement MFA and suffer a breach can expect heavy penalties
In its 2025 Global Third-Party Breach Report, SecurityScorecard has found that 35.5% of all cyber breaches in 2024 were third-party related, up from 29% in 2023
Two years after a data breach that compromised almost seven million customers, 23andMe's CEO has resigned as the company files for bankruptcy