{"id":6379,"date":"2026-06-19T13:54:43","date_gmt":"2026-06-19T13:54:43","guid":{"rendered":"https:\/\/cloudsave.app\/knowledge-base\/immutable-database-storage-ransomware\/"},"modified":"2026-06-19T14:11:16","modified_gmt":"2026-06-19T14:11:16","slug":"%eb%9e%9c%ec%84%ac%ec%9b%a8%ec%96%b4-%eb%b0%a9%ec%96%b4%eb%a5%bc-%ec%9c%84%ed%95%9c-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b2%a0%ec%9d%b4%ec%8a%a4-%ec%95%84%ec%b9%b4%ec%9d%b4%eb%b8%8c%ec%9a%a9-%eb%b6%88","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/ko\/knowledge-base\/%eb%9e%9c%ec%84%ac%ec%9b%a8%ec%96%b4-%eb%b0%a9%ec%96%b4%eb%a5%bc-%ec%9c%84%ed%95%9c-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b2%a0%ec%9d%b4%ec%8a%a4-%ec%95%84%ec%b9%b4%ec%9d%b4%eb%b8%8c%ec%9a%a9-%eb%b6%88\/","title":{"rendered":"\ub79c\uc12c\uc6e8\uc5b4 \ubc29\uc5b4\ub97c \uc704\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube0c\uc6a9 \ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0 \uc124\uacc4"},"content":{"rendered":"<p>\ud604\ub300\uc758 \uc704\ud611 \ud658\uacbd\uc5d0\uc11c \ub79c\uc12c\uc6e8\uc5b4\ub294 \uae30\ud68c\uc8fc\uc758\uc801\uc778 \uc554\ud638\ud654\uc5d0\uc11c \uace0\ub3c4\ub85c \ud45c\uc801\ud654\ub41c \ub2e4\uc911 \uac08\ucde8 \ucea0\ud398\uc778\uc73c\ub85c \uc9c4\ud654\ud588\uc2b5\ub2c8\ub2e4. \uc9c0\ub2a5\ud615 \uc9c0\uc18d \uc704\ud611(APT) \uadf8\ub8f9\uacfc \ub79c\uc12c\uc6e8\uc5b4 \uc870\uc9c1\uc740 \uc774\uc81c \uce68\ud22c \uae30\uac04 \ub3d9\uc548 \ubc31\uc5c5 \uc778\ud504\ub77c\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube0c\ub97c \uc801\uadf9\uc801\uc73c\ub85c \uc0ac\ub0e5\ud569\ub2c8\ub2e4. \uacf5\uaca9\uc790\uac00 \uae30\ubcf8 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc190\uc0c1\uc2dc\ud0a4\uace0 \ub3d9\uc2dc\uc5d0 \ubc31\uc5c5 \uc800\uc7a5\uc18c\ub97c \uc0ad\uc81c\ud558\uac70\ub098 \uc554\ud638\ud654\ud558\uba74 \uc870\uc9c1\uc740 \uce58\uba85\uc801\uc778 \ub370\uc774\ud130 \uc190\uc2e4\uc5d0 \uc9c1\uba74\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac\uc790(DBA)\uc640 DevOps \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c \uae30\uc874\uc758 3-2-1 \ubc31\uc5c5 \uc804\ub7b5\uc740 \ub354 \uc774\uc0c1 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \uc0dd\uc874\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc778\ud504\ub77c \ud300\uc740 \ub9c8\uc9c0\ub9c9 &#8216;1&#8217;\uc774 <strong>\ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0(Immutable Storage)<\/strong>\ub97c \uc758\ubbf8\ud558\ub294 3-2-1-1 \uaddc\uce59\uc744 \ucc44\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uc808\ub300\uc801\uc778 \ub79c\uc12c\uc6e8\uc5b4 \ubcf5\uc6d0\ub825\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube0c\uc6a9 \ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \uc124\uacc4, \uad6c\ud604 \ubc0f \uad00\ub9ac\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \ud3ec\uad04\uc801\uc774\uace0 \uae30\uc220\uc801\uc778 \uc2ec\uce35 \ubd84\uc11d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0\uc758 \uba54\ucee4\ub2c8\uc998<\/h2>\n<p>\ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0\ub294 WORM(Write-Once-Read-Many, \ud55c \ubc88 \uae30\ub85d\ud558\uc5ec \uc5ec\ub7ec \ubc88 \uc77d\uae30) \uc544\ud0a4\ud14d\ucc98\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \ubd88\ubcc0 \ub300\uc0c1\uc5d0 \uae30\ub85d\ub418\uba74 \uc218\ud559\uc801\uc73c\ub85c \uac15\uc81c\ub41c \uc2dc\uac04 \uc7a0\uae08\uc774 \ub9cc\ub8cc\ub420 \ub54c\uae4c\uc9c0 \ub8e8\ud2b8 \uad8c\ud55c\uc744 \uac00\uc9c4 \uad00\ub9ac\uc790\ub098 \uc190\uc0c1\ub41c \uc11c\ube44\uc2a4 \uacc4\uc815\uc744 \ud3ec\ud568\ud55c \uadf8 \ub204\uad6c\ub3c4 \uc218\uc815, \uc554\ud638\ud654 \ub610\ub294 \uc0ad\uc81c\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uaddc\uc815 \uc900\uc218 \ubaa8\ub4dc(Compliance Mode) vs. \uac70\ubc84\ub10c\uc2a4 \ubaa8\ub4dc(Governance Mode)<\/h3>\n<p>\ud2b9\ud788 AWS S3, Azure Blob \ub610\ub294 S3 \ud638\ud658 \uc628\ud504\ub808\ubbf8\uc2a4 SAN\uacfc \uac19\uc740 \ud074\ub77c\uc6b0\ub4dc \uac1d\uccb4 \uc2a4\ud1a0\ub9ac\uc9c0\uc5d0\uc11c \ubd88\ubcc0\uc131\uc744 \uad6c\ud604\ud560 \ub54c\ub294 \ubcf4\uc874 \ubaa8\ub4dc \uac04\uc758 \ucc28\uc774\ub97c \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uac70\ubc84\ub10c\uc2a4 \ubaa8\ub4dc:<\/strong> \uc77c\ubc18 \uc0ac\uc6a9\uc790\uac00 \uac1d\uccb4\ub97c \uc0ad\uc81c\ud558\uac70\ub098 \ubcc0\uacbd\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud2b9\uc815 IAM \uad8c\ud55c(\uc608: <code>s3:BypassGovernanceRetention<\/code>)\uc744 \uac00\uc9c4 \uc0ac\uc6a9\uc790\ub294 \uc7a0\uae08\uc744 \ubb34\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud14c\uc2a4\ud2b8\uc5d0\ub294 \uc720\uc6a9\ud558\uc9c0\ub9cc, \uacf5\uaca9\uc790\uac00 \ub3c4\uba54\uc778 \uad00\ub9ac\uc790\ub098 \ub8e8\ud2b8 \uad8c\ud55c\uc73c\ub85c \uad8c\ud55c\uc744 \uc0c1\uc2b9\uc2dc\ud0a4\ub294 \uacbd\uc6b0\uac00 \ub9ce\uae30 \ub54c\ubb38\uc5d0 <strong>\ub79c\uc12c\uc6e8\uc5b4 \ubcf4\ud638\uc5d0\ub294 \ubd88\ucda9\ubd84\ud569\ub2c8\ub2e4.<\/strong><\/li>\n<li><strong>\uaddc\uc815 \uc900\uc218 \ubaa8\ub4dc:<\/strong> \ub79c\uc12c\uc6e8\uc5b4 \ubc29\uc5b4\ub97c \uc704\ud55c \uace8\ub4dc \ud45c\uc900\uc785\ub2c8\ub2e4. \uac1d\uccb4\uac00 \uaddc\uc815 \uc900\uc218 \ubaa8\ub4dc\ub85c \uc7a0\uae30\uba74 \ubcf4\uc874 \uae30\uac04\uc744 \ub2e8\ucd95\ud560 \uc218 \uc5c6\uc73c\uba70 AWS \ub8e8\ud2b8 \uacc4\uc815\uc744 \ud3ec\ud568\ud55c <em>\uadf8 \ub204\uad6c\ub3c4<\/em> \uac1d\uccb4\ub97c \uc0ad\uc81c\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc7a0\uae08\uc740 \uc2a4\ud1a0\ub9ac\uc9c0 \ud074\ub7ec\uc2a4\ud130 \uc218\uc900\uc5d0\uc11c \uac15\uc81c\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ubd88\ubcc0 \ubc31\uc5c5 \ud30c\uc774\ud504\ub77c\uc778 \uc124\uacc4<\/h2>\n<p>\uac15\ub825\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube59 \uc544\ud0a4\ud14d\ucc98\ub294 \ud65c\uc131 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc791\uc5c5\uacfc \ubd88\ubcc0 \uc544\uce74\uc774\ube0c \uacc4\uce35\uc744 \ubd84\ub9ac\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc9c0\uc18d\uc801\uc778 \uc77d\uae30\/\uc4f0\uae30 \uc561\uc138\uc2a4\uac00 \ud544\uc694\ud558\ubbc0\ub85c \ud65c\uc131 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud30c\uc77c(SQL Server\uc758 <code>.mdf<\/code>\/<code>.ldf<\/code> \ub610\ub294 PostgreSQL\uc758 <code>pg_data<\/code> \ub514\ub809\ud1a0\ub9ac \ub4f1)\uc5d0\ub294 \ubd88\ubcc0\uc131\uc744 \uc801\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub300\uc2e0 \ubd88\ubcc0\uc131\uc740 \ub2e4\uc74c \ud56d\ubaa9\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4:<br \/>\n1.  <strong>\uc804\uccb4 \ubc0f \ucc28\ub4f1 \ubc31\uc5c5 \ud30c\uc77c:<\/strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uae30\uc900 \uc2a4\ub0c5\uc0f7.<br \/>\n2.  <strong>\ud2b8\ub79c\uc7ad\uc158 \ub85c\uadf8 \/ WAL \ud30c\uc77c:<\/strong> \ud2b9\uc815 \uc2dc\uc810 \ubcf5\uad6c(PITR)\uc5d0 \ud544\uc694\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubcc0\uacbd \uc0ac\ud56d\uc758 \uc5f0\uc18d \uc2a4\ud2b8\ub9bc.<\/p>\n<h3>\ubd88\ubcc0\uc131\uc744 \uc704\ud55c \uc2a4\ud1a0\ub9ac\uc9c0 \ub300\uc0c1<\/h3>\n<p>\ub2e4\uc591\ud55c \uc778\ud504\ub77c \uacc4\uce35\uc5d0\uc11c \ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<br \/>\n*   <strong>\ud074\ub77c\uc6b0\ub4dc \uac1d\uccb4 \uc2a4\ud1a0\ub9ac\uc9c0:<\/strong> AWS S3 Object Lock, Azure Blob Immutable Storage, Google Cloud Storage Retention Policies.<br \/>\n*   <strong>\uc628\ud504\ub808\ubbf8\uc2a4 \uac1d\uccb4 \uc2a4\ud1a0\ub9ac\uc9c0:<\/strong> S3 Object Lock API\ub97c \uc9c0\uc6d0\ud558\ub294 MinIO, Cloudian \ub610\ub294 Pure Storage FlashBlade.<br \/>\n*   <strong>\ube14\ub85d\/\ud30c\uc77c \uc2a4\ud1a0\ub9ac\uc9c0:<\/strong> \uc77d\uae30 \uc804\uc6a9 \uc2a4\ub0c5\uc0f7\uacfc \uc704\uc784\ub41c \uad00\ub9ac\uac00 \ud3ec\ud568\ub41c ZFS \ub610\ub294 Linux \ud30c\uc77c \uc18d\uc131.<\/p>\n<h2>\ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0 \uad6c\ud604: \uae30\uc220\uc801 \ub2e8\uacc4<\/h2>\n<h3>1. \ud074\ub77c\uc6b0\ub4dc \uac1d\uccb4 \uc2a4\ud1a0\ub9ac\uc9c0: AWS S3 Object Lock<\/h3>\n<p>AWS\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub364\ud504\uc640 \ud2b8\ub79c\uc7ad\uc158 \ub85c\uadf8\ub97c \ubcf4\ud638\ud558\ub824\uba74 \ubc84\ud0b7 \uc0dd\uc131 \uc2dc\uc810\uc5d0 Object Lock\uc744 \ud65c\uc131\ud654\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uba3c\uc800 Object Lock\uc774 \ud65c\uc131\ud654\ub41c \ubc84\ud0b7\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-bash\">aws s3api create-bucket \n    --bucket prod-db-archive-immutable \n    --region us-east-1 \n    --object-lock-enabled-for-bucket\n<\/code><\/pre>\n<p>\ub2e4\uc74c\uc73c\ub85c \uae30\ubcf8 \ubcf4\uc874 \uc815\ucc45\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube0c\uc758 \uacbd\uc6b0 30\uc77c \uaddc\uc815 \uc900\uc218 \uc7a0\uae08\uc774 \ud45c\uc900 \uae30\uc900\uc774\uba70, \uc774\ub97c \ud1b5\ud574 \ud55c \ub2ec \ubd84\ub7c9\uc758 \ubcc0\uacbd \ubd88\uac00\ub2a5\ud55c \ubc31\uc5c5\uc744 \ud655\ubcf4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-bash\">aws s3api put-object-lock-configuration \n    --bucket prod-db-archive-immutable \n    --object-lock-configuration '{\n        &quot;ObjectLockEnabled&quot;: &quot;Enabled&quot;,\n        &quot;Rule&quot;: {\n            &quot;DefaultRetention&quot;: {\n                &quot;Mode&quot;: &quot;COMPLIANCE&quot;,\n                &quot;Days&quot;: 30\n            }\n        }\n    }'\n<\/code><\/pre>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc31\uc5c5 \uc2a4\ud06c\ub9bd\ud2b8\ub098 \uc5d0\uc774\uc804\ud2b8\uac00 \uc774 \ubc84\ud0b7\uc73c\ub85c \ud30c\uc77c\uc744 \ud478\uc2dc\ud558\uba74 S3\ub294 \uac1d\uccb4 \uc0dd\uc131 \ud0c0\uc784\uc2a4\ud0ec\ud504\uc5d0 30\uc77c\uc744 \ub354\ud558\uc5ec <code>Retain Until Date<\/code>(\ubcf4\uc874 \ub9cc\ub8cc\uc77c)\ub97c \uc790\ub3d9\uc73c\ub85c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<h3>2. \uc628\ud504\ub808\ubbf8\uc2a4 \ubd88\ubcc0\uc131: ZFS \ubc0f Linux \uc18d\uc131<\/h3>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc628\ud504\ub808\ubbf8\uc2a4 Linux \ubc31\uc5c5 \uc11c\ubc84\uc5d0 \uc544\uce74\uc774\ube59\ud558\ub294 \uacbd\uc6b0 <code>chattr<\/code> \uba85\ub839\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc758\uc0ac \ubd88\ubcc0\uc131(pseudo-immutability)\uc744 \ub2ec\uc131\ud558\uac70\ub098, ZFS \uc2a4\ub0c5\uc0f7\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc9c4\uc815\ud55c \ubd88\ubcc0\uc131\uc744 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>Linux <code>chattr<\/code> \uc0ac\uc6a9:<\/strong><br \/>\n<code>+i<\/code> (immutable) \ud50c\ub798\uadf8\ub294 \ud30c\uc77c \uc218\uc815, \uc0ad\uc81c \ub610\ub294 \uc774\ub984 \ubcc0\uacbd\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-bash\"># \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub364\ud504\npg_dump -U postgres -Fc mydb &gt; \/backups\/mydb_$(date +%F).dump\n\n# \ubc31\uc5c5\uc744 \ubd88\ubcc0\uc73c\ub85c \uc124\uc815\nsudo chattr +i \/backups\/mydb_$(date +%F).dump\n\n# \uc18d\uc131 \ud655\uc778\nlsattr \/backups\/mydb_$(date +%F).dump\n# \ucd9c\ub825: ----i---------e------- \/backups\/mydb_2023-10-27.dump\n<\/code><\/pre>\n<p><em>\ucc38\uace0: <code>chattr<\/code>\uc740 \uae30\ubcf8\uc801\uc778 \ub79c\uc12c\uc6e8\uc5b4 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ub9c9\uc744 \uc218 \uc788\uc9c0\ub9cc, \ub8e8\ud2b8 \uad8c\ud55c\uc744 \uac00\uc9c4 \uc815\uad50\ud55c \uacf5\uaca9\uc790\ub294 \ub2e8\uc21c\ud788 <code>chattr -i<\/code>\ub97c \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub97c \uc5c4\uaca9\ud55c RBAC \ubc0f \uaca9\ub9ac\ub41c \ubc31\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc640 \uacb0\ud569\ud574\uc57c \ud569\ub2c8\ub2e4.<\/em><\/p>\n<p><strong>ZFS \uc2a4\ub0c5\uc0f7 \uc0ac\uc6a9:<\/strong><br \/>\nZFS\ub294 \ud6e8\uc52c \ub354 \uac15\ub825\ud55c \ubc29\uc5b4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc2a4\ub0c5\uc0f7\uc744 \ucc0d\uace0 \uadf8 \uc704\uc5d0 &#8220;hold(\ubcf4\ub958)&#8221;\ub97c \uc124\uc815\ud558\uba74 \uc2a4\ub0c5\uc0f7\uc774 \uc0ad\uc81c\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-bash\"># \ubc31\uc5c5 \ub370\uc774\ud130\uc14b\uc758 \uc2a4\ub0c5\uc0f7 \uc0dd\uc131\nzfs snapshot tank\/db_backups@archive_$(date +%F)\n\n# \uc0ad\uc81c \ubc29\uc9c0\ub97c \uc704\ud574 \uc2a4\ub0c5\uc0f7\uc5d0 \ubcf4\ub958 \uc124\uc815\nzfs hold keep_30_days tank\/db_backups@archive_$(date +%F)\n\n# \ub8e8\ud2b8 \uc0ac\uc6a9\uc790\ub77c\ub3c4 \ubcf4\ub958\ub97c \ud574\uc81c\ud558\uc9c0 \uc54a\uc73c\uba74 \uc774 \uc2a4\ub0c5\uc0f7\uc744 \uc0ad\uc81c\ud560 \uc218 \uc5c6\uc74c\nzfs destroy tank\/db_backups@archive_$(date +%F)\n# \ucd9c\ub825: cannot destroy 'tank\/db_backups@archive_...': dataset is busy\n<\/code><\/pre>\n<h2>\ub370\uc774\ud130\ubca0\uc774\uc2a4\ubcc4 \uc544\uce74\uc774\ube59 \uc804\ub7b5<\/h2>\n<p>\ud2b9\uc815 \uc2dc\uc810 \ubcf5\uad6c(PITR)\ub97c \ub2ec\uc131\ud558\ub824\uba74 \ud2b8\ub79c\uc7ad\uc158 \ub85c\uadf8\ub97c \ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0\uc5d0 \uc9c0\uc18d\uc801\uc73c\ub85c \uc544\uce74\uc774\ube59\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>pgBackRest\ub97c \uc0ac\uc6a9\ud55c PostgreSQL WAL \uc544\uce74\uc774\ube59<\/h3>\n<p><code>pgBackRest<\/code>\ub294 S3 \ud638\ud658 \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \uae30\ubcf8\uc801\uc73c\ub85c \uc9c0\uc6d0\ud558\ub294 \ub9e4\uc6b0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 PostgreSQL\uc6a9 \ubc31\uc5c5 \ub3c4\uad6c\uc785\ub2c8\ub2e4. WAL(Write-Ahead Logs)\uc744 \ubcf4\ud638\ud558\ub824\uba74 <code>pgBackRest<\/code>\uac00 \ubd88\ubcc0 S3 \ubc84\ud0b7\uc73c\ub85c \uc9c1\uc811 \ud478\uc2dc\ud558\ub3c4\ub85d \uad6c\uc131\ud558\uc2ed\uc2dc\uc624.<\/p>\n<p><code>pgbackrest.conf<\/code> \uc124\uc815 \uc608\uc2dc:<\/p>\n<pre><code class=\"language-ini\">[global]\nrepo1-type=s3\nrepo1-s3-bucket=prod-db-archive-immutable\nrepo1-s3-region=us-east-1\nrepo1-s3-endpoint=s3.amazonaws.com\nrepo1-s3-key=AKIAIOSFODNN7EXAMPLE\nrepo1-s3-key-secret=wJalrXUtnFEMI\/K7MDENG\/bPxRfiCYEXAMPLEKEY\n\n# \ubcf4\uc874 \uae30\uac04\uc774 S3 Object Lock \uad6c\uc131\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\nrepo1-retention-full=2\nrepo1-retention-archive=2\n\n[prod_cluster]\npg1-path=\/var\/lib\/postgresql\/14\/main\n<\/code><\/pre>\n<p><em>\uc911\uc694 \uace0\ub824 \uc0ac\ud56d:<\/em> S3 \ubc84\ud0b7\uc774 30\uc77c \uaddc\uc815 \uc900\uc218 \uc7a0\uae08\uc744 \uac15\uc81c\ud558\ub294\ub370 <code>pgBackRest<\/code>\uac00 <code>repo1-retention-archive<\/code> \uc124\uc815\uc5d0 \ub530\ub77c 14\uc77c \ud6c4\uc5d0 WAL \ud30c\uc77c\uc744 \ub9cc\ub8cc \ubc0f \uc0ad\uc81c\ud558\ub824\uace0 \uc2dc\ub3c4\ud558\uba74 \uc0ad\uc81c API \ud638\ucd9c\uc774 \uc2e4\ud328\ud569\ub2c8\ub2e4. \ubc31\uc5c5 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \ubcf4\uc874 \uc815\ucc45\uc774 \uc2a4\ud1a0\ub9ac\uc9c0 \uc218\uc900\uc758 \ubd88\ubcc0 \uc7a0\uae08 \uae30\uac04\ubcf4\ub2e4 \ud06c\uac70\ub098 \uac19\ub3c4\ub85d \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>Microsoft SQL Server: URL\ub85c \ubc31\uc5c5<\/h3>\n<p>SQL Server\ub294 S3 \ud638\ud658 \uac1d\uccb4 \uc2a4\ud1a0\ub9ac\uc9c0\ub85c \uc9c1\uc811 \ubc31\uc5c5\ud558\ub294 \uae30\ub2a5\uc744 \uae30\ubcf8\uc801\uc73c\ub85c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. SQL Server \uc5d0\uc774\uc804\ud2b8 \uc791\uc5c5\uc744 \uad6c\uc131\ud558\uc5ec <code>.bak<\/code> \ubc0f <code>.trn<\/code> \ud30c\uc77c\uc744 \ubd88\ubcc0 \ubc84\ud0b7\uc5d0 \uc9c1\uc811 \uae30\ub85d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-sql\">CREATE CREDENTIAL [s3:\/\/prod-db-archive-immutable.s3.us-east-1.amazonaws.com]\nWITH IDENTITY = 'S3 Access Key',\nSECRET = 'AccessKeyID:SecretAccessKey';\nGO\n\nBACKUP DATABASE [ProductionDB]\nTO URL = 's3:\/\/prod-db-archive-immutable.s3.us-east-1.amazonaws.com\/ProductionDB_Full.bak'\nWITH FORMAT, COMPRESSION, STATS = 10;\nGO\n<\/code><\/pre>\n<h2>CloudSave\ub97c \ud1b5\ud55c \uc790\ub3d9\ud654 \ubc0f \uc624\ucf00\uc2a4\ud2b8\ub808\uc774\uc158<\/h2>\n<p>\uc0ac\uc6a9\uc790 \uc9c0\uc815 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ud1b5\ud574 \ubd88\ubcc0 \ubcf4\uc874 \ud50c\ub798\uadf8\ub97c \uad00\ub9ac\ud558\uace0, \uc561\uc138\uc2a4 \ud0a4\ub97c \uc21c\ud658\ud558\uba70, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubcf4\uc874 \uc815\ucc45\uacfc \uc2a4\ud1a0\ub9ac\uc9c0 \uc7a0\uae08 \uac04\uc758 \ub3d9\uae30\ud654\ub97c \ubcf4\uc7a5\ud558\ub294 \uc791\uc5c5\uc740 \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \ud06c\ub860 \uc791\uc5c5\uc774\ub098 API \ud638\ucd9c\uc5d0\uc11c \ub2e8 \ud55c \ubc88\uc758 \uc798\ubabb\ub41c \uad6c\uc131\ub9cc\uc73c\ub85c\ub3c4 \uc544\uce74\uc774\ube0c\uac00 \ub178\ucd9c\ub418\uac70\ub098, \uace0\uc544(orphaned) \uc0c1\ud0dc\ub85c \uc7a0\uae34 \uac1d\uccb4\ub85c \uc778\ud574 \ud074\ub77c\uc6b0\ub4dc \uc2a4\ud1a0\ub9ac\uc9c0 \ube44\uc6a9\uc774 \uae09\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>CloudSave\uc640 \uac19\uc740 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ubc31\uc5c5 \ud50c\ub7ab\ud3fc\uc740 \uc774\ub7ec\ud55c \uc544\ud0a4\ud14d\ucc98\ub97c \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4. CloudSave\ub294 AWS S3 Object Lock, Azure Blob Immutable Storage \ubc0f \uc628\ud504\ub808\ubbf8\uc2a4 S3 \ud638\ud658 API\uc640 \uae30\ubcf8\uc801\uc73c\ub85c \ud1b5\ud569\ub429\ub2c8\ub2e4.<\/p>\n<p>CloudSave\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc31\uc5c5 \uacc4\ud68d\uc744 \uad6c\uc131\ud560 \ub54c:<br \/>\n1.  \ud50c\ub7ab\ud3fc\uc740 SQL Server\uc758 VSS(Volume Shadow Copy Service) \uc815\uc9c0 \ub610\ub294 PostgreSQL\uc758 <code>pg_start_backup()<\/code> API\ub97c \uc790\ub3d9\uc73c\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<br \/>\n2.  \uc911\ubcf5 \uc81c\uac70 \ubc0f \uc554\ud638\ud654\ub41c \ubc31\uc5c5 \ub370\uc774\ud130\ub97c \uc2a4\ud1a0\ub9ac\uc9c0 \ub300\uc0c1\uc73c\ub85c \uc9c1\uc811 \uc2a4\ud2b8\ub9ac\ubc0d\ud569\ub2c8\ub2e4.<br \/>\n3.  CloudSave\ub294 \uac1d\uccb4\ubcc4\ub85c WORM API \ud638\ucd9c(\uc608: <code>PutObjectRetention<\/code>)\uc744 \ub3d9\uc801\uc73c\ub85c \uc801\uc6a9\ud558\uc5ec \uc2a4\ud1a0\ub9ac\uc9c0 \uc7a0\uae08 \uae30\uac04\uc744 \uc815\ucc45\uc5d0 \uc815\uc758\ub41c \ubcf4\uc874 \uc77c\uc815\uacfc \uc644\ubcbd\ud558\uac8c \uc77c\uce58\uc2dc\ud0b5\ub2c8\ub2e4.<br \/>\n4.  \uacf5\uaca9\uc790\uac00 CloudSave \uad00\ub9ac \ucf58\uc194\uc744 \uc190\uc0c1\uc2dc\ud0a4\ub354\ub77c\ub3c4 \uaddc\uc815 \uc900\uc218 \uc7a0\uae08\uc740 \ubc31\uc5c5 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uac00 \uc544\ub2cc \uae30\ubcf8 \uc2a4\ud1a0\ub9ac\uc9c0 \uc778\ud504\ub77c\uc5d0 \uc758\ud574 \uac15\uc81c\ub418\ubbc0\ub85c \ubc31\uc5c5\uc744 \uc0ad\uc81c\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ubd88\ubcc0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube0c\ub97c \uc704\ud55c \ubaa8\ubc94 \uc0ac\ub840<\/h2>\n<p>\ubd88\ubcc0 \uc544\ud0a4\ud14d\ucc98\uc758 \uc9c4\uc815\ud55c \ubcf5\uc6d0\ub825\uc744 \ubcf4\uc7a5\ud558\ub824\uba74 \ub2e4\uc74c \uc2dc\uc2a4\ud15c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubaa8\ubc94 \uc0ac\ub840\ub97c \uc900\uc218\ud558\uc2ed\uc2dc\uc624:<\/p>\n<h3>1. \uc5c4\uaca9\ud55c NTP \ub3d9\uae30\ud654<\/h3>\n<p>\ubd88\ubcc0 \uc7a0\uae08\uc740 \uc218\ud559\uc801\uc73c\ub85c \ud0c0\uc784\uc2a4\ud0ec\ud504\uc5d0 \ubb36\uc5ec \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud1a0\ub9ac\uc9c0 \uc5b4\ub808\uc774\ub098 \ubc31\uc5c5 \uc11c\ubc84\uc758 NTP(Network Time Protocol) \uc11c\ube44\uc2a4\uac00 \uc190\uc0c1\ub418\uac70\ub098 \uc2dc\uac04\uc774 \uc5b4\uae0b\ub098\uba74 \uc7a0\uae08\uc774 \uc870\uae30\uc5d0 \ub9cc\ub8cc\ub418\uac70\ub098 \uc544\uc608 \ub9cc\ub8cc\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud1a0\ub9ac\uc9c0 \uc778\ud504\ub77c\uac00 \uc778\uc99d\ub41c \uc911\ubcf5 NTP \uc18c\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub3c4\ub85d \ud558\uc2ed\uc2dc\uc624.<\/p>\n<h3>2. IAM \uc5ed\ud560 \ubc0f \uc790\uaca9 \uc99d\uba85 \uaca9\ub9ac<\/h3>\n<p>\ubd88\ubcc0 \ubc84\ud0b7\uc5d0 \uae30\ub85d\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc790\uaca9 \uc99d\uba85\uc5d0\ub294 <code>s3:PutObject<\/code> \ubc0f <code>s3:PutObjectRetention<\/code> \uad8c\ud55c\ub9cc \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. <code>s3:DeleteObject<\/code> \ub610\ub294 <code>s3:PutBucketObjectLockConfiguration<\/code> \uad8c\ud55c\uc740 <strong>\uc808\ub300<\/strong> \ubd80\uc5ec\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc31\uc5c5 \uc5d0\uc774\uc804\ud2b8\ub97c \uc704\ud55c \ucd5c\uc18c \uad8c\ud55c IAM \uc815\ucc45 \uc608\uc2dc:<\/p>\n<pre><code class=\"language-json\">{\n    &quot;Version&quot;: &quot;2012-10-17&quot;,\n    &quot;Statement&quot;: [\n        {\n            &quot;Effect&quot;: &quot;Allow&quot;,\n            &quot;Action&quot;: [\n                &quot;s3:PutObject&quot;,\n                &quot;s3:GetBucketObjectLockConfiguration&quot;\n            ],\n            &quot;Resource&quot;: [\n                &quot;arn:aws:s3:::prod-db-archive-immutable&quot;,\n                &quot;arn:aws:s3:::prod-db-archive-immutable\/*&quot;\n            ]\n        }\n    ]\n}\n<\/code><\/pre>\n<h3>3. \ubcf4\uc874 \uae30\uac04 \uc124\uc815<\/h3>\n<p>\uae30\ubcf8\uc801\uc778 \ube60\ub978 \ubcf5\uad6c \uacc4\uce35\uc5d0 \ub108\ubb34 \uae34 \uae30\uac04(\uc608: \uaddc\uc815 \uc900\uc218\ub97c \uc704\ud55c 7\ub144) \ub3d9\uc548 \uaddc\uc815 \uc900\uc218 \uc7a0\uae08\uc744 \uc124\uc815\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ubc29\ub300\ud55c \uc591\uc758 WAL\/\ud2b8\ub79c\uc7ad\uc158 \ub85c\uadf8 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub97c \uc218\ub144\uac04 \uc7a0\uadf8\uba74 \uc2a4\ud1a0\ub9ac\uc9c0 \ube44\uc6a9\uc774 \uae30\ud558\uae09\uc218\uc801\uc73c\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4.<br \/>\n\ub300\uc2e0 \uacc4\uce35\ud654\ub41c \uc811\uadfc \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624:<br \/>\n*   <strong>\uc6b4\uc601 \ubcf5\uad6c \uacc4\uce35:<\/strong> \uc804\uccb4 \ubc31\uc5c5 \ubc0f \ub85c\uadf8\uc5d0 \ub300\ud574 14~30\uc77c\uc758 \ubd88\ubcc0 \ubcf4\uc874.<br \/>\n*   <strong>\uc7a5\uae30 \uc544\uce74\uc774\ube0c \uacc4\uce35:<\/strong> Vault Lock\uc744 \uc0ac\uc6a9\ud558\uc5ec 1~7\ub144 \ub3d9\uc548 Glacier\/Deep Archive\ub85c \uc774\ub3d9\ub41c \uc6d4\uac04 \uc804\uccb4 \ubc31\uc5c5.<\/p>\n<h3>4. \uc5d0\uc5b4\uac2d(Air-gapped) VPC\uc5d0\uc11c\uc758 \uc815\uae30\uc801\uc778 \ubcf5\uad6c \ud14c\uc2a4\ud2b8<\/h3>\n<p>\ubd88\ubcc0\uc131\uc740 \ub370\uc774\ud130\uac00 \uc0ad\uc81c\ub418\uc9c0 \uc54a\uc74c\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub9cc, \ub370\uc774\ud130\uc5d0 \ub17c\ub9ac\uc801 \uc190\uc0c1\uc774 \uc5c6\uc74c\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \ubd88\ubcc0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube0c\ub97c \uaca9\ub9ac\ub41c \uc5d0\uc5b4\uac2d VPC \ub610\ub294 VLAN\uc73c\ub85c \ubcf5\uc6d0\ud558\ub294 \uacfc\uc815\uc744 \uc790\ub3d9\ud654\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcf5\uc6d0\ub41c \ub370\uc774\ud130\uc5d0 \ub300\ud574 <code>DBCC CHECKDB<\/code>(SQL Server) \ub610\ub294 <code>pg_amcheck<\/code>(PostgreSQL)\ub97c \uc2e4\ud589\ud558\uc5ec \uad6c\uc870\uc801 \ubb34\uacb0\uc131\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\ub79c\uc12c\uc6e8\uc5b4 \ubc29\uc5b4\ub294 \uce68\ud574\ub97c \uac00\uc815\ud558\ub294 \uac83\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. SIEM\uc5d0\uc11c \uacbd\uace0\uac00 \ubc1c\uc0dd\ud560 \ub54c\ucbe4\uc774\uba74 \uc704\ud611 \ud589\uc704\uc790\ub294 \uc774\ubbf8 \ubc31\uc5c5 \uc778\ud504\ub77c\ub97c \uc190\uc0c1\uc2dc\ud0a4\ub824 \uc2dc\ub3c4\ud588\uc744 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uaddc\uc815 \uc900\uc218 \ubaa8\ub4dc\uc5d0\uc11c \ubd88\ubcc0 \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc544\uce74\uc774\ube0c\ub97c \uc124\uacc4\ud568\uc73c\ub85c\uc368 \uacf5\uaca9\uc790\uc758 \uc8fc\uc694 \ub808\ubc84\ub9ac\uc9c0\ub97c \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ubcf8 \ud074\ub77c\uc6b0\ub4dc API, ZFS \ubcf4\ub958 \ub610\ub294 CloudSave\uc640 \uac19\uc740 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc624\ucf00\uc2a4\ud2b8\ub808\uc774\uc158 \ud50c\ub7ab\ud3fc \uc911 \ubb34\uc5c7\uc744 \uc0ac\uc6a9\ud558\ub4e0 WORM \uc2a4\ud1a0\ub9ac\uc9c0 \uad6c\ud604\uc740 \uc774\uc81c \uc120\ud0dd \uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \ud604\ub300 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \ubc0f \uc7ac\ud574 \ubcf5\uad6c\uc758 \ud544\uc218 \uae30\ub465\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>** Learn how to protect enterprise database archives from ransomware using immutable storage. Discover technical implementation steps for AWS S3 Object Lock, ZFS, PostgreSQL, and SQL Server.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Immutable Database Storage to Defeat Ransomware","rank_math_description":"** Learn how to protect enterprise database archives from ransomware using immutable storage. 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