$ dscl . read /Users/<ユーザー名> accountPolicyData
【表示結果】 ※ creationtimeはUNIX Epoch Time
dsAttrTypeNative:accountPolicyData:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>creationTime</key>
<real>1484631981.0044761</real>
<key>failedLoginCount</key>
<integer>0</integer>
<key>failedLoginTimestamp</key>
<integer>0</integer>
</dict>
</plist>