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.
Commvault, a leading provider of data protection solutions, says a nation-state threat actor who breached its Azure environment didn't gain access to customer backup data. [...]
Ascension, one of the largest private healthcare systems in the United States, is notifying patients that their personal and health information was stolen in a December 2024 data theft attack, which affected a former business partner. [...]
South Korean mobile provider SK Telecom has announced free SIM card replacements to its 25 million mobile customers following a recent USIM data breach, but only 6 million cards are available through May. [...]
Ongoing outages at British retail giant Marks & Spencer are caused by a ransomware attack believed to be conducted by a hacking collective known as "Scattered Spider" BleepingComputer has learned from multiple sources. [...]
Employee benefits administration firm VeriSource Services is warning that a data breach exposed the personal information of four million people. [...]