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.
A hacker is threatening to leak 106GB of data allegedly stolen from Spanish telecommunications company Telefónica in a breach that the company did not acknowledge. [...]
IdeaLab is notifying individuals impacted by a data breach incident last October when hackers accessed sensitive information. [...]
Kelly & Associates Insurance Group (dba Kelly Benefits) is informing more than half a million people of a data breach that compromised their personal information. [...]
Esse Health, a healthcare provider based in St. Louis, Missouri, is notifying over 263,000 patients that their personal and health information was stolen in an April cyberattack. [...]
Building automation giant Johnson Controls is notifying individuals whose data was stolen in a massive ransomware attack that impacted the company's operations worldwide in September 2023. [...]