Data Breach
An incident where sensitive or confidential information is accessed, stolen, or exposed without authorization.
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In late 2005, a significant data breach occurred at TJX Companies due to poorly secured wireless networks, leading to the compromise of approximately 100 million payment cards over 18 months. The breach was caused by a hacking group led by Albert Gonzalez. The incident highlighted severe flaws in network security and compliance.
Chronicles of Compromise 