diff --git a/cogs/lockdown_cog.py b/cogs/lockdown_cog.py
new file mode 100644
index 0000000..acb5c61
--- /dev/null
+++ b/cogs/lockdown_cog.py
@@ -0,0 +1,68 @@
+import discord
+from discord.ext import commands
+import asyncio
+
+class LockdownCog(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+
+    @commands.command(name="channel_lockdown")
+    @commands.has_permissions(manage_channels=True)
+    async def channel_lockdown(self, ctx, channel: discord.TextChannel = None, time=None):
+        """Locks down a channel."""
+        channel = channel or ctx.channel
+        overwrite = channel.overwrites_for(ctx.guild.default_role)
+        if overwrite.send_messages is False:
+            await ctx.send("Channel is already locked down.")
+            return
+
+        overwrite.send_messages = False
+        await channel.set_permissions(ctx.guild.default_role, overwrite=overwrite)
+        await ctx.send(f"Channel {channel.mention} locked down.")
+
+        if time:
+            try:
+                time = int(time)
+            except ValueError:
+                await ctx.send("Time must be an integer (seconds).")
+                return
+
+            await asyncio.sleep(time)
+
+            overwrite.send_messages = None
+            await channel.set_permissions(ctx.guild.default_role, overwrite=overwrite)
+            await ctx.send(f"Channel {channel.mention} lockdown lifted.")
+
+    @commands.command(name="server_lockdown")
+    @commands.has_permissions(administrator=True)
+    async def server_lockdown(self, ctx, time=None):
+        """Locks down the entire server."""
+        for channel in ctx.guild.text_channels:
+            overwrite = channel.overwrites_for(ctx.guild.default_role)
+            if overwrite.send_messages is False:
+                continue
+
+            overwrite.send_messages = False
+            await channel.set_permissions(ctx.guild.default_role, overwrite=overwrite)
+
+        await ctx.send("Server locked down.")
+
+        if time:
+            try:
+                time = int(time)
+            except ValueError:
+                await ctx.send("Time must be an integer (seconds).")
+                return
+
+            await asyncio.sleep(time)
+
+            for channel in ctx.guild.text_channels:
+                overwrite = channel.overwrites_for(ctx.guild.default_role)
+                overwrite.send_messages = None
+                await channel.set_permissions(ctx.guild.default_role, overwrite=overwrite)
+
+            await ctx.send("Server lockdown lifted.")
+
+
+async def setup(bot):
+    await bot.add_cog(LockdownCog(bot))
diff --git a/main.py b/main.py
index 6c8a38d..d3d951e 100644
--- a/main.py
+++ b/main.py
@@ -129,6 +129,13 @@ class MyBot(commands.Bot):
         await load_all_cogs(self, skip_cogs=self.ai_cogs_to_skip)
         log.info(f"Cogs loaded in setup_hook. Skipped: {self.ai_cogs_to_skip or 'None'}")
 
+        # Load the lockdown cog
+        try:
+            await self.load_extension("cogs.lockdown_cog")
+            log.info("Lockdown cog loaded successfully.")
+        except Exception as e:
+            log.exception(f"Failed to load lockdown cog: {e}")
+
         # --- Share GurtCog, ModLogCog, and bot instance with the sync API ---
         try:
             gurt_cog = self.get_cog("Gurt")