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Security Operations · Foundational

Bluesnarfing

Unauthorized access to data on a Bluetooth-enabled device, such as contacts, messages or files.

Definition

Bluesnarfing exploits Bluetooth vulnerabilities or weak pairing to read information from a device without the owner's knowledge. Keeping Bluetooth non-discoverable, patching and turning it off when unused mitigate it.

Example

Copying a phone's contact list over Bluetooth in a crowded café.

Exam tip

Bluesnarfing steals data; bluejacking only sends unsolicited messages.

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