- 24
- March
Essential ERP Security Every User Must Know — It's Not Just IT's Job
Many people think system security is solely IT's responsibility. In reality, however, every user is the "first line of defense" for security. No matter how strong the ERP system's firewall is, if users share passwords or click phishing links, the entire system can be compromised.
Why Security Is Everyone's Responsibility
An ERP system stores the most critical data in an organization — from budget data, inventory records, and personnel information to financial data. If this data is leaked or modified without authorization, the entire organization suffers, not just the IT team.
Security reports show that over 80% of data breaches are caused by user behavior — such as weak passwords, clicking fraudulent links, or not logging out when stepping away from the workstation.
10 Essential Security Rules for ERP Users
1. Never Share Your Username/Password — No Exceptions
Even with colleagues, supervisors, or the IT team. The ERP system logs every action by user account. If someone uses your account to make an incorrect transaction, you are the one held responsible according to the system records.
2. Set a Strong Password
A good password must meet all of these criteria:
| Criteria | Good Example | Bad Example |
|---|---|---|
| At least 12 characters | MyErp@2026!Go | erp123 |
| Mix of uppercase + lowercase | SaEreE | saeree |
| Contains numbers | ...2026... | No numbers |
| Contains special characters | @, !, #, $ | None |
| Not personal information | Use an easy-to-remember phrase | somchai1990 |
Tip: Use a "phrase" instead of a "word" — for example, FenDee@ERP#2026 is easy to remember but hard to guess.
3. Enable MFA/2FA If the System Supports It
Two-Factor Authentication (2FA) adds another layer of security. Even if your password is compromised, hackers cannot access the system without the code from your phone. Common methods include:
- SMS OTP — a code sent to your mobile phone
- Authenticator App — such as Google Authenticator or Microsoft Authenticator
- Email OTP — a code sent to your email
4. Log Out Every Time You Leave Your Workstation
Even if you're just going to the restroom for 5 minutes, you should lock your screen (Windows: Win+L, Mac: Ctrl+Cmd+Q). Anyone can walk up and perform transactions in the system using your account.
5. Beware of Phishing — Don't Click Suspicious Links in Emails
Phishing is a fraudulent email disguised as a trusted organization to trick you into entering your username/password. How to spot it:
- Check the sender's email — is the domain correct? (e.g., @grandlinux.com, not @grandl1nux.com)
- Hover over links before clicking — does the URL match the real website?
- Don't download unexpected attachments
- If unsure — ask IT before clicking
6. Don't Install Unauthorized Software
Unapproved software may contain malware that steals data, or keyloggers that record everything you type — including your ERP password. If you need additional software, contact IT for review and installation.
7. Report to IT Immediately If You Suspect a Hack
Warning signs to watch for:
- Transactions in the system that you didn't make
- Receiving OTP codes without attempting to log in
- Unable to log in despite using the correct password
- Colleagues report receiving strange emails from your account
What to do: Change your password immediately + notify IT + review the Audit Trail
8. Don't Use Public WiFi to Access the ERP System
WiFi at coffee shops, airports, or hotels can be intercepted. If you need to work outside the office, use the VPN provided by your organization, or use a secure remote access system.
9. Review Your Own Audit Trail
Most ERP systems have an Audit Trail that records what your account has done and when. You should check it regularly (at least once a month) to see if there are any suspicious transactions that you didn't make.
10. Keep Your Browser and Operating System Updated
Outdated browsers and operating systems have vulnerabilities that hackers can exploit. Updating takes only a few minutes but prevents major problems. Setting up Auto-Update is the best approach.
Understanding RBAC — Role-Based Access Control
RBAC (Role-Based Access Control) is a system that assigns permissions based on roles. Not everyone sees the same data:
| Role | Permissions Granted | Not Allowed |
|---|---|---|
| Regular User | Create documents, view own department reports | Approve documents, view other departments' data, edit Master Data |
| Supervisor | Approve documents, view department overview reports | Edit budgets, delete data, manage users |
| Manager | View dashboards, high-level approvals, cross-department reports | Modify system structure, manage permissions |
| Admin | Manage users, assign permissions, edit Master Data | Delete Audit Trail (no one can do this) |
Key principle: Every role receives only the permissions that are necessary (Principle of Least Privilege). If you need additional permissions, you must request approval through proper channels.
What Is an Audit Trail? Why Does It Matter?
An Audit Trail is an automatic logging system that records every action in the ERP system:
- Who performed it (Username)
- What was done (Create/Edit/Delete/Approve)
- When it happened (precise date + time)
- From where (IP Address)
- Old data vs new data (in case of edits)
The Audit Trail cannot be deleted or modified — not even by an Admin. It exists to ensure transparency and enable retrospective auditing. Auditing bodies can request to view the Audit Trail to verify system operations.
Forgot Your Password — What to Do?
If you forget your password, follow these steps:
- Click the "Forgot Password" link on the Login page — the system will send a reset link to your registered email
- Check your Spam/Junk folder — sometimes the reset email goes to Spam
- If you still can't access, contact Admin/IT — IT will reset your password through the Admin panel
- Set a new password immediately — don't reuse the old password
- Update your password manager — if you use one, update it too
Summary
ERP system security depends on every user's behavior, not just technology. The 10 rules in this article are not difficult — just make them a habit: don't share passwords, enable 2FA, lock your screen, watch out for phishing — these simple practices can protect your entire organization tremendously.
"The best security system in the world is no match for a password written on a sticky note on your monitor — security starts with you."
