Signal-to-Noise Ratio Drop in GNSS Receiver

Monitors GNSS signal quality for sudden drops in the signal-to-noise ratio, which can occur during intentional jamming attempts.

STIX Pattern

[x-opencti-gnss-log:signal_to_noise_ratio < 'minimum_threshold']

SPARTA TTPs

ID Name Description
EX-0016 Jamming Threat actors may attempt to jam Global Navigation Satellite Systems (GNSS) signals (i.e. GPS, Galileo, etc.) to inhibit a spacecraft's position, navigation, and/or timing functions.
EX-0016.03 Position, Navigation, and Timing (PNT) Threat actors may attempt to jam Global Navigation Satellite Systems (GNSS) signals (i.e. GPS, Galileo, etc.) to inhibit a spacecraft's position, navigation, and/or timing functions.