Ensure Security Auditing Logs Are Retained for 30 Days

中等級 1自動化macos

說明

The macOS audit capability contains important information to investigate security or operational issues. This resource is only completely useful if it is retained long enough to allow technical staff to find the root cause of anomalies in the records. Retention can be set to respect both size and longevity. To retain as much as the recommendation is to use the following: expire-after:30d This recommendation is based on minimum amount of days retained for review and investigation. When a third party tool is in use to allow remote logging or the store and forwarding of logs, this is a supplemental source of data. Note: If you organization has storage constraint issues, you can add a storage value limit to expire-after: in addition to days retained. For example: expire-after:30d OR 5G or expire-after:30d OR 10000M. In addition, your organization may also look at the what audit flags are...

檢查方式

稽核方法: Shell 指令

shell

l=$(/usr/bin/grep -e "^expire-after" /etc/security/audit_control 2>/dev/null) || exit 1
d=$(printf '%s' "$l" | /usr/bin/grep -oE '[0-9]+d' | /usr/bin/head -1 | /usr/bin/tr -d d)
if [ -n "$d" ] && [ "$d" -ge 30 ]; then echo compliant; else echo "$l"; fi

預期輸出: compliant

修補方式

修補方法: 操作指南或基礎設施修補檔

Terminal Method: Perform the following to set the audit retention length: Edit the /etc/security/audit_control file so that expire-after: is at least 30d

屬性

作業系統: macos-14
標籤: loggingmacossonoma
參考資料: CIS Apple macOS 14.0 Sonoma Benchmark v3.1.0 - 3.4 Ensure Security Auditing Logs Are Retained for 30 Days

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target macos