diff --git a/.eslintrc.json b/.eslintrc.json
index 49192e8..31ce605 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -11,7 +11,9 @@
           "issue_number",
           "issue_comment",
           "serverId_level_roleId",
-          "serverId_roleId"
+          "serverId_roleId",
+          "invites_disabled_until",
+          "dms_disabled_until"
         ]
       }
     ]
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 8275dce..8d57d95 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -90,3 +90,12 @@ model birthdays {
 
   @@unique([serverId, userId], map: "serverId_userId")
 }
+
+model security {
+  id          String  @id @default(auto()) @map("_id") @db.ObjectId
+  serverId    String
+  lockDms     Boolean @default(false)
+  lockInvites Boolean @default(false)
+
+  @@unique([serverId], map: "serverId")
+}
diff --git a/src/commands/secure.ts b/src/commands/secure.ts
new file mode 100644
index 0000000..4a99560
--- /dev/null
+++ b/src/commands/secure.ts
@@ -0,0 +1,101 @@
+import { PermissionFlagsBits, SlashCommandBuilder } from "discord.js";
+
+import { Command } from "../interfaces/Command";
+import { errorHandler } from "../utils/errorHandler";
+
+export const secure: Command = {
+  data: new SlashCommandBuilder()
+    .setName("secure")
+    .setDescription(
+      "Toggles the feature to keep dms/invites locked or unlocked"
+    )
+    .setDMPermission(false)
+    .addBooleanOption((option) =>
+      option
+        .setName("invites")
+        .setDescription("Keep invites locked down?")
+        .setRequired(true)
+    )
+    .addBooleanOption((option) =>
+      option
+        .setName("dms")
+        .setDescription("Keep DMs locked down?")
+        .setRequired(true)
+    ),
+  run: async (bot, interaction) => {
+    try {
+      const { guild, member } = interaction;
+      const lockInvites = interaction.options.getBoolean("invites", true);
+      const lockDms = interaction.options.getBoolean("dms", true);
+
+      if (
+        ![
+          PermissionFlagsBits.Administrator,
+          PermissionFlagsBits.KickMembers,
+          PermissionFlagsBits.BanMembers,
+          PermissionFlagsBits.ManageGuild
+        ].some((perm) => member.permissions.has(perm))
+      ) {
+        await interaction.editReply({
+          content: "You do not have permission to use this command."
+        });
+        return;
+      }
+
+      const botMember = await guild.members
+        .fetch(bot.user?.id || "oopsie")
+        .catch(() => null);
+
+      if (
+        !botMember ||
+        ![
+          PermissionFlagsBits.Administrator,
+          PermissionFlagsBits.KickMembers,
+          PermissionFlagsBits.BanMembers,
+          PermissionFlagsBits.ManageGuild
+        ].some((perm) => botMember.permissions.has(perm))
+      ) {
+        await interaction.editReply({
+          content: "I do not have the correct permissions to do this."
+        });
+        return;
+      }
+
+      const date = new Date(new Date().getTime() + 24 * 60 * 60 * 1000);
+
+      await bot.db.security.upsert({
+        where: { serverId: guild.id },
+        update: { lockDms, lockInvites },
+        create: { lockDms, lockInvites, serverId: guild.id }
+      });
+
+      await fetch(
+        `https://discord.com/api/v10/guilds/${guild.id}/incident-actions`,
+        {
+          method: "PUT",
+          headers: {
+            Authorization: `Bot ${bot.env.token}`,
+            "content-type": "application/json"
+          },
+          body: JSON.stringify({
+            dms_disabled_until: lockDms ? date : null,
+            invites_disabled_until: lockInvites ? date : null
+          })
+        }
+      ).catch(
+        async (e) =>
+          await errorHandler(bot, `incident-actions for ${guild.id}`, e)
+      );
+      await interaction.editReply({
+        content: `Security options have been updated.\nInvites are ${
+          lockInvites ? "disabled" : "enabled"
+        }.\nDMs are ${lockDms ? "disabled" : "enabled"}.`
+      });
+    } catch (err) {
+      const id = await errorHandler(bot, "secure command", err);
+      await interaction.editReply({
+        content: `Something went wrong. Please [join our support server](https://chat.naomi.lgbt) and provide this ID: \`${id}\``
+      });
+    }
+  }
+};
diff --git a/src/events/client/onReady.ts b/src/events/client/onReady.ts
index 42dd95f..7c24852 100644
--- a/src/events/client/onReady.ts
+++ b/src/events/client/onReady.ts
@@ -1,6 +1,7 @@
 import { scheduleJob } from "node-schedule";
 
 import { ExtendedClient } from "../../interfaces/ExtendedClient";
+import { maintainSecurity } from "../../modules/maintainSecurity";
 import { postBirthdays } from "../../modules/postBirthdays";
 import { registerCommands } from "../../utils/registerCommands";
 import { sendDebugMessage } from "../../utils/sendDebugMessage";
@@ -16,4 +17,10 @@ export const onReady = async (bot: ExtendedClient) => {
 
   // Daily at 9am PST
   scheduleJob("birthdays", "0 9 * * *", async () => await postBirthdays(bot));
+  // Daily at midnight and noon
+  scheduleJob(
+    "birthdays",
+    "0 0,12 * * *",
+    async () => await maintainSecurity(bot)
+  );
 };
diff --git a/src/modules/maintainSecurity.ts b/src/modules/maintainSecurity.ts
new file mode 100644
index 0000000..3f69b3c
--- /dev/null
+++ b/src/modules/maintainSecurity.ts
@@ -0,0 +1,36 @@
+import { ExtendedClient } from "../interfaces/ExtendedClient";
+import { errorHandler } from "../utils/errorHandler";
+
+/**
+ * Loops through the list of configured servers to lock security for, and processes the
+ * API calls.
+ *
+ * @param {ExtendedClient} bot The bot's Discord instance.
+ */
+export const maintainSecurity = async (bot: ExtendedClient) => {
+  try {
+    const records = await bot.db.security.findMany();
+    const date = new Date(new Date().getTime() + 24 * 60 * 60 * 1000);
+    for (const record of records) {
+      await fetch(
+        `https://discord.com/api/v10/guilds/${record.serverId}/incident-actions`,
+        {
+          method: "PUT",
+          headers: {
+            Authorization: `Bot ${bot.env.token}`,
+            "content-type": "application/json"
+          },
+          body: JSON.stringify({
+            dms_disabled_until: record.lockDms ? date : null,
+            invites_disabled_until: record.lockInvites ? date : null
+          })
+        }
+      ).catch(
+        async (e) =>
+          await errorHandler(bot, `incident-actions for ${record.serverId}`, e)
+      );
+    }
+  } catch (err) {
+    await errorHandler(bot, "maintain security", err);
+  }
+};