Definition
Data Exfiltration is the unauthorized transfer of data from a computer or network to an external destination, often performed by malicious insiders, compromised accounts, or advanced persistent threats stealing sensitive information.
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Related Terms
Data Loss Prevention
Data Loss Prevention (DLP) is a set of tools and processes that ensure sensitive data is not lost, misused, or accessed by unauthorized users. DLP solutions monitor, detect, and block the unauthorized transmission of confidential information.
Insider Threat
An Insider Threat is a security risk posed by individuals within an organization, such as employees, contractors, or partners, who misuse their authorized access to harm the organization's data, systems, or operations.
Advanced Persistent Threat
An Advanced Persistent Threat (APT) is a prolonged, targeted cyberattack in which an intruder gains access to a network and remains undetected for an extended period. APTs typically target high-value organizations to steal data rather than cause immediate damage.
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