Laptop unable to use BitLocker on drive with VSS service storage firewire tampering
4.5
Legacy FireWire ports are being used for DMA attacks against VSS.
Symptoms
- BitLocker error
- Memory corruption
- System crash
Possible Causes
- Hardware attack
- Malicious device
Step-by-Step Fix
1
Disable FireWire
Disable the controller in Device Manager.
2
Enable DMA Protection
Ensure memory is secure.
3
Update Drivers
Restore original drivers.
When to See a Technician
FireWire is an old port with known DMA security vulnerabilities.
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