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.
Taiwanese chip maker ADATA denies claims of a RansomHouse cyberattack after the threat actors began posting the company's stolen files on their data leak site. [...]
Video game publisher 2K emailed users on Thursday to warn that some of their personal info was stolen and put up for sale online following a September 19 security breach. [...]
Joe Sullivan was charged two years ago with obstruction of justice and misprision
The Australian Federal Police (AFP) has arrested a 19-year-old teen from Sydney for allegedly attempting to leverage the data leaked following the Optus data breach late last month to extort victims
A U.S. federal court jury has found former Uber Chief Security Officer Joseph Sullivan guilty of not disclosing a 2016 breach of customer and driver records to regulators and attempting to cover up the incident
The City of Tucson, Arizona, has disclosed a data breach affecting the personal information of more than 125,000 individuals. [...]
Australia's largest telecommunications company Telstra disclosed that it was the victim of a data breach through a third-party, nearly two weeks after Optus reported a breach of its own
The Telstra cyber incident comes just weeks after its main rival Optus suffered a major compromise of its customer database.
Optus confirmed yesterday that 2.1 million customers had government identification numbers compromised during a cyberattack last month. [...]
Australian telecom giant Optus on Monday confirmed that nearly 2.1 million of its current and former customers suffered a leak of their personal information and at least one form of identification number as a result of a data breach late last month
TD Bank has disclosed a data breach affecting an undisclosed number of customers whose personal information was stolen by a former employee and used to conduct financial fraud. [...]
Russian retail chain 'DNS' (Digital Network System) disclosed yesterday that they suffered a data breach that allegedly exposed the personal information of 16 million customers and employees. [...]