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Harden

The harden tactic is used to increase the opportunity cost of a system exploitation. Hardening differs from Detection in that it generally is conducted before a system is online and operational.

QID: T-0015

Tier: T0

Type: Defence

Created: 2024-02-28

Updated: 2024-04-29

Countermeasures

List of countermeasures under this tactic.

Items: 36

Name
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