{"id":9480,"date":"2026-03-11T21:54:03","date_gmt":"2026-03-11T21:54:03","guid":{"rendered":"https:\/\/pariswells.com\/blog\/?p=9480"},"modified":"2026-03-11T23:05:02","modified_gmt":"2026-03-11T23:05:02","slug":"powershell-constrained-language-mode","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/research\/powershell-constrained-language-mode","title":{"rendered":"Powershell Constrained Language Mode"},"content":{"rendered":"\n<p>Either with AppLocker \\ WDAC or <\/p>\n\n\n\n<p>Check<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">$ExecutionContext.SessionState.LanguageMode\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Create\/Edit a GPO:<\/strong>&nbsp;In Group Policy Management, create a new GPO (e.g., &#8220;Set CLM to 4&#8221;).<\/li>\n\n\n\n<li><strong>Navigate to Preferences:<\/strong>&nbsp;Go to&nbsp;<code>Computer Configuration<\/code>&nbsp;&gt;&nbsp;<code>Preferences<\/code>&nbsp;&gt;&nbsp;<code>Windows Settings<\/code>&nbsp;&gt;&nbsp;<code>Environment<\/code>.<\/li>\n\n\n\n<li><strong>Add Variable:<\/strong>&nbsp;Right-click, select&nbsp;<strong>New<\/strong>&nbsp;&gt;&nbsp;<strong>Environment Variable<\/strong>.\n<ul class=\"wp-block-list\">\n<li><strong>Action:<\/strong>&nbsp;<code>Update<\/code><\/li>\n\n\n\n<li><strong>Name:<\/strong>&nbsp;<code>__PSLockdownPolicy<\/code><\/li>\n\n\n\n<li><strong>Value:<\/strong>&nbsp;<code>4<\/code><\/li>\n\n\n\n<li><strong>Type:<\/strong>&nbsp;<code>System Variable<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><a href=\"https:\/\/gist.github.com\/Paulladium46\/03497038f8aa80fbb483579376690994\">Windows Security &#8211; Locking Down Powershell Script Execution (from ThioJoe Video) \u00b7 GitHub<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Either with AppLocker \\ WDAC or Check Windows Security &#8211; Locking Down Powershell Script Execution (from ThioJoe Video) \u00b7 GitHub<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9480","post","type-post","status-publish","format-standard","hentry","category-research"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/posts\/9480","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/comments?post=9480"}],"version-history":[{"count":2,"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/posts\/9480\/revisions"}],"predecessor-version":[{"id":9482,"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/posts\/9480\/revisions\/9482"}],"wp:attachment":[{"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/media?parent=9480"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/categories?post=9480"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pariswells.com\/blog\/wp-json\/wp\/v2\/tags?post=9480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}