Which tactic of the MITRE ATT&CK Framework consists of techniques adversaries use to keep access to systems across restarts, changed credentials, and other interruptions that could cut off their access?

$1.$

MITRE ATT&CK Framework: Initial Access Tactic

$2.$

MITRE ATT&CK Framework: Execution Tactic

$3.$

MITRE ATT&CK Framework: Persistence Tactic

$4.$

MITRE ATT&CK Framework: Collection Tactic