Guides

Discord server security guides and tools

By ESN Systems, makers of ESN Nexus. Updated November 3, 2026.

Everything we have written about keeping a Discord server safe, plus the tools that check your setup. Start with the grade if you're not sure where you stand.

Tools

Grade your server's security →13 quick questions, a letter grade and how to fix each risk.Scam link checker →Check a link or a whole message against Nexus's list of known scam domains.Permissions checker →Paste a permission number or bot invite link and see the nuke and raid risk.Security badge →Show off an A or A+ grade on your website or bot page.

Something is happening right now

Server got nuked? What to do →Step-by-step recovery, with a printable raid and nuke checklist.Mod account hacked? What to do →The first five minutes, and how to stop one stolen account from wrecking the server.The Discord QR code scam →How it steals accounts, what to do if you scanned one, and how to block the codes.

Protect your server

Discord server security checklist →Everything to check, in order.Protect a server from nukes →Roles, permissions and the settings that stop a nuke before it starts.Discord anti-nuke bot →What anti-nuke watches and how Nexus undoes the damage.How to stop Discord raids →What to do before, during and after a raid.Discord anti-raid bot →An anti-raid that learns your server's normal join rate.Discord verification bot →Captcha, rules quiz and age tiers for new members.Stop alt accounts on Discord →Make ban evasion expensive and catch the patterns alts leave.Discord webhook security →Lock down webhooks and replace one that leaked.How to back up a Discord server →What Discord keeps, what a backup needs, and how to restore.

Compare security bots

Best anti-nuke bots in 2026 →How the main security bots compare.Wick alternative →Nexus and Wick side by side.Beemo alternative →Nexus and Beemo side by side.Security Bot alternative →Nexus and Security Bot side by side.Dyno anti-nuke →What Dyno covers and where Nexus adds anti-nuke.Captcha.bot alternative →Nexus and Captcha.bot side by side.Why Nexus →Nexus against NightWatch, Strafe and the rest.

Reference

Nexus setup guide →Add Nexus, run the setup and fix permissions.Security glossary →Discord security words in plain English.Changelog →Every change that is live in Nexus, with an RSS feed.ESN docs →Guides for ESN Hosting, Discord bots and Minecraft servers.

Nexus handles raids, nukes, alts, scam links and backups on every server, at no cost.

Add Nexus to Discord Grade your server first