D3-OVAR — OT Variable Access Restriction
D3-OVAR: OT Variable Access Restriction
MITRE D3FEND countermeasure
What it does
Assign read/write access controls on designated registers or data tags to prevent unauthorized writes.
Attacks this counters
No ATT&CK technique in this corpus maps to this countermeasure. D3FEND may map it to techniques outside the Enterprise matrix, or to ones MITRE has since revoked — absence here is about this corpus, not about the countermeasure.