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COUNTERMEASURES

Model

Full Device Imperfections Incorporation in Scientific Security Proof

Quantum Threat Intelligence Program

Proper Quantum Channel Calibration

Upgraded Trusted Phase Noise Model

Harden

Privacy amplification

True Single Photon Source

Employing Another Quantum Protocol

Proper Implementation of Quantum Communication Protocol and QBER Estimation

Employment of Optical Filters

Active Phase Randomisation

State Preparation Monitoring

Quantum Device Optimal Design and TEMPEST

Passive Quantum Communication Transmitters

Passive Phase Randomisation

Phase Modulator Triggering

Bit-Mapped Gating

Detector with Random Jitter

Active Polarisation State Scrambling

Gain Modulation of the Photocurrent

Dead Time Enforcement and Gating Window Discrimination

Active Reset Mechanism

Single-Mode Fiber Coupling

Single Laser Diode Utilization

Wavelength Randomization

Detector's Dead Time Management

Management of Published Information In Classical Channel Communication

Employment of External Intensity Modulator

Triple Intensity Modulation for Side Channel Elimination

Use of Verifiable Secret Sharing and Privacy Amplification Techniques

Tamper Protection

End-to-End Encryption for Classical Channels in Quantum Communication Systems

Prior Hardware Component Study

Real-time Quadrature Measurements with Random Optical Attenuations

True Discrete Modulation

Variable Optical Attenuator

Effective Photon Lifetime Management

Advanced Laser Diodes

Initializing Modulation Devices After Each Pulse

Replacing Intensity Modulators with IQ Modulators

Optimizing DC Bias Conditions

Detect

Watchdog Detector

Continuous Device Functionality Monitoring

Detector Monitoring

Random Detection Efficiency Changing of APD

Arrival Time Monitoring

External Magnetic Field Monitoring

Temperature Monitoring

Quantum Source Monitoring

Pattern Recognition Using Machine Learning

Isolate

Signal Upconversion

Time Gating

Discarding Non-linear Data Blocks

Temporal Filtering Techniques

Deceive

Decoy States Employment

Power Analysis Masquerading and Obscuring

Evict

Employment of Optical Isolation

Quantum Network Traffic Rerouting

Phase Modulator Triggering

Triggering phase modulators with incoming bright light pulses to enhance QKD system security.

QID: CM-0038

Tier: T0

Type: Quantum

Tactic: Harden

Created: 2024-04-04

Updated: 2024-05-10

Technique → Countermeasures

List of techniques where this countermeasure can be applied.

Items: 1

Description	Technique
	Partially-Random-Phase Attack